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Database And Image Processing Using Python And Access
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Download or read book Using SQLite written by Jay Kreibich and published by "O'Reilly Media, Inc.". This book was released on 2010-08-17 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains how to build database-backed applications for the Web, desktop, embedded systems, and operating systems using SQLite.
Book Synopsis Python GUI For Signal and Image Processing by : Vivian Siahaan
Download or read book Python GUI For Signal and Image Processing written by Vivian Siahaan and published by SPARTA PUBLISHING. This book was released on 2019-10-05 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: You will learn to create GUI applications using the Qt toolkit. The Qt toolkit, also popularly known as Qt, is a cross-platform application and UI framework developed by Trolltech, which is used to develop GUI applications. You will develop an existing GUI by adding several Line Edit widgets to read input, which are used to set the range and step of the graph (signal). Next, Now, you can use a widget for each graph. Add another Widget from Containers in gui_graphics.ui using Qt Designer. Then, Now, you can use two Widgets, each of which has two canvases. The two canvases has QVBoxLayout in each Widget. Finally, you will apply those Widgets to display the results of signal and image processing techniques.
Book Synopsis DATA ANALYSIS PROJECTS WITH MYSQL, SQLITE, POSTGRESQL, AND SQL SERVER USING PYTHON GUI by : Vivian Siahaan
Download or read book DATA ANALYSIS PROJECTS WITH MYSQL, SQLITE, POSTGRESQL, AND SQL SERVER USING PYTHON GUI written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2022-10-26 with total page 1647 pages. Available in PDF, EPUB and Kindle. Book excerpt: PROJECT 1: FULL SOURCE CODE: POSTGRESQL AND DATA SCIENCE FOR PROGRAMMERS WITH PYTHON GUI This project uses the PostgreSQL version of MySQL-based Sakila sample database which is a fictitious database designed to represent a DVD rental store. The tables of the database include film, film_category, actor, film_actor, customer, rental, payment and inventory among others. You can download the database from https://dev.mysql.com/doc/sakila/en/. In this project, you will write Python script to create every table and insert rows of data into each of them. You will develop GUI with PyQt5 to each table in the database. You will also create GUI to plot case distribution of film release year, film rating, rental duration, and categorize film length; plot rating variable against rental_duration variable in stacked bar plots; plot length variable against rental_duration variable in stacked bar plots; read payment table; plot case distribution of Year, Day, Month, Week, and Quarter of payment; plot which year, month, week, days of week, and quarter have most payment amount; read film list by joining five tables: category, film_category, film_actor, film, and actor; plot case distribution of top 10 and bottom 10 actors; plot which film title have least and most sales; plot which actor have least and most sales; plot which film category have least and most sales; plot case distribution of top 10 and bottom 10 overdue costumers; plot which store have most sales; plot average payment amount by month with mean and EWM; and plot payment amount over June 2005. PROJECT 2: FULL SOURCE CODE: MYSQL FOR STUDENTS AND PROGRAMMERS WITH PYTHON GUI In this project, we provide you with a MySQL version of an Oracle sample database named OT which is based on a global fictitious company that sells computer hardware including storage, motherboard, RAM, video card, and CPU. The company maintains the product information such as name, description standard cost, list price, and product line. It also tracks the inventory information for all products including warehouses where products are available. Because the company operates globally, it has warehouses in various locations around the world. The company records all customer information including name, address, and website. Each customer has at least one contact person with detailed information including name, email, and phone. The company also places a credit limit on each customer to limit the amount that customer can owe. Whenever a customer issues a purchase order, a sales order is created in the database with the pending status. When the company ships the order, the order status becomes shipped. In case the customer cancels an order, the order status becomes canceled. In addition to the sales information, the employee data is recorded with some basic information such as name, email, phone, job title, manager, and hire date. In this project, you will write Python script to create every table and insert rows of data into each of them. You will develop GUI with PyQt5 to each table in the database. You will also create GUI to plot: case distribution of order date by year, quarter, month, week, and day; the distribution of amount by year, quarter, month, week, day, and hour; the distribution of bottom 10 sales by product, top 10 sales by product, bottom 10 sales by customer, top 10 sales by customer, bottom 10 sales by category, top 10 sales by category, bottom 10 sales by status, top 10 sales by status, bottom 10 sales by customer city, top 10 sales by customer city, bottom 10 sales by customer state, top 10 sales by customer state, average amount by month with mean and EWM, average amount by every month, amount feature over June 2016, amount feature over 2017, and amount payment in all years. PROJECT 3: ZERO TO MASTERY: THE COMPLETE GUIDE TO LEARNING SQLITE AND PYTHON GUI In this project, we provide you with the SQLite version of The Oracle Database Sample Schemas that provides a common platform for examples in each release of the Oracle Database. The sample database is also a good database for practicing with SQL, especially SQLite. The detailed description of the database can be found on: http://luna-ext.di.fc.ul.pt/oracle11g/server.112/e10831/diagrams.htm#insertedID0. The four schemas are a set of interlinked schemas. This set of schemas provides a layered approach to complexity: A simple schema Human Resources (HR) is useful for introducing basic topics. An extension to this schema supports Oracle Internet Directory demos; A second schema, Order Entry (OE), is useful for dealing with matters of intermediate complexity. Many data types are available in this schema, including non-scalar data types; The Online Catalog (OC) subschema is a collection of object-relational database objects built inside the OE schema; The Product Media (PM) schema is dedicated to multimedia data types; The Sales History (SH) schema is designed to allow for demos with large amounts of data. An extension to this schema provides support for advanced analytic processing. The HR schema consists of seven tables: regions, countries, locations, departments, employees, jobs, and job_histories. This book only implements HR schema, since the other schemas will be implemented in the next books. PROJECT 4: FULL SOURCE CODE: SQL SERVER FOR STUDENTS AND DATA SCIENTISTS WITH PYTHON GUI In this project, we provide you with the SQL SERVER version of SQLite sample database named chinook. The chinook sample database is a good database for practicing with SQL, especially PostgreSQL. The detailed description of the database can be found on: https://www.sqlitetutorial.net/sqlite-sample-database/. The sample database consists of 11 tables: The employee table stores employees data such as employee id, last name, first name, etc. It also has a field named ReportsTo to specify who reports to whom; customers table stores customers data; invoices & invoice_items tables: these two tables store invoice data. The invoice table stores invoice header data and the invoice_items table stores the invoice line items data; The artist table stores artists data. It is a simple table that contains only the artist id and name; The album table stores data about a list of tracks. Each album belongs to one artist. However, one artist may have multiple albums; The media_type table stores media types such as MPEG audio and AAC audio files; genre table stores music types such as rock, jazz, metal, etc; The track table stores the data of songs. Each track belongs to one album; playlist & playlist_track tables: The playlist table store data about playlists. Each playlist contains a list of tracks. Each track may belong to multiple playlists. The relationship between the playlist table and track table is many-to-many. The playlist_track table is used to reflect this relationship. In this project, you will write Python script to create every table and insert rows of data into each of them. You will develop GUI with PyQt5 to each table in the database. You will also create GUI to plot: case distribution of order date by year, quarter, month, week, and day; the distribution of amount by year, quarter, month, week, day, and hour; the bottom/top 10 sales by employee, the bottom/top 10 sales by customer, the bottom/top 10 sales by customer, the bottom/top 10 sales by artist, the bottom/top 10 sales by genre, the bottom/top 10 sales by play list, the bottom/top 10 sales by customer city, the bottom/top 10 sales by customer city, the bottom/top 10 sales by customer city, the payment amount by month with mean and EWM, the average payment amount by every month, and amount payment in all years.
Book Synopsis START FROM SCRATCH DIGITAL IMAGE PROCESSING WITH TKINTER by : Vivian Siahaan
Download or read book START FROM SCRATCH DIGITAL IMAGE PROCESSING WITH TKINTER written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2023-10-21 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Start from Scratch: Digital Image Processing with Tkinter" is a beginner-friendly guide that delves into the basics of digital image processing using Python and Tkinter, a popular GUI library. The project is divided into distinct modules, each focusing on a specific aspect of image manipulation. The journey begins with an exploration of Image Color Space. Here, readers encounter the Main Form, which serves as the entry point to the application. It provides a user-friendly interface for loading images, selecting color spaces, and visualizing various color channels. The Fundamental Utilities play a crucial role by providing core functionalities like loading images, converting color spaces, and manipulating pixel data. The project also includes forms dedicated to displaying individual color channels and offering insights into the current color space through histograms. The Plotting Utilities module facilitates the creation of visual representations such as plots and graphs, enhancing the user's understanding of color spaces. Moving on, the Image Transformation section introduces readers to techniques like the Fast Fourier Transform (FFT). The Fast Fourier Transform Utilities module enables the implementation of FFT algorithms for converting images from spatial to frequency domains. A corresponding form allows users to view images in the frequency domain, with additional adjustments made to the plotting utilities for effective visualization. In the context of Discrete Cosine Transform (DCT), readers gain insights into algorithms and functions for transforming images. The Form for Discrete Cosine Transform aids in visualizing images in the DCT domain, while the plotting utilities are modified to accommodate these transformed images. The Discrete Sine Transform (DST) section introduces readers to DST algorithms and their role in image transformation. A dedicated form for visualizing images in the DST domain is provided, and the plotting utilities are further extended to handle these transformations effectively. Moving Average Smoothing is another critical aspect covered in the project. The Filter2D Utilities facilitate the application of moving average smoothing techniques. Additionally, metrics utilities enable the assessment of the smoothing process, with forms available for displaying both metrics and the smoothed images. Next, the project addresses Exponential Moving Average techniques, modifying the existing utilities to accommodate this specific approach. Similarly, forms for visualizing results and metrics are provided. Readers are then introduced to techniques like Median Filtering, Savitzky-Golay Filtering, and Wiener Filtering. The Filter2D Utilities are adapted to facilitate these filtering methods, and metrics utilities are employed to assess the effectiveness of each technique. Forms dedicated to each filtering method provide a platform for visualizing the results. The final section of the project explores techniques such as Total Variation Denoising, Non-Local Means Denoising, and PCA Denoising. The Filter2D Utilities are once again modified to support these denoising techniques. Metrics utilities are employed to evaluate the denoising process, and dedicated forms offer visualization capabilities. By breaking down the project into these modules, readers can systematically grasp the fundamentals of digital image processing, gradually building their skills from one concept to the next. Each section provides hands-on experience and practical knowledge, making it an ideal starting point for beginners in image processing.
Book Synopsis LEARN FROM SCRATCH SIGNAL AND IMAGE PROCESSING WITH PYTHON GUI by : Vivian Siahaan
Download or read book LEARN FROM SCRATCH SIGNAL AND IMAGE PROCESSING WITH PYTHON GUI written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2023-06-14 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, you will learn how to use OpenCV, NumPy library and other libraries to perform signal processing, image processing, object detection, and feature extraction with Python GUI (PyQt). You will learn how to filter signals, detect edges and segments, and denoise images with PyQt. You will also learn how to detect objects (face, eye, and mouth) using Haar Cascades and how to detect features on images using Harris Corner Detection, Shi-Tomasi Corner Detector, Scale-Invariant Feature Transform (SIFT), and Features from Accelerated Segment Test (FAST). In Chapter 1, you will learn: Tutorial Steps To Create A Simple GUI Application, Tutorial Steps to Use Radio Button, Tutorial Steps to Group Radio Buttons, Tutorial Steps to Use CheckBox Widget, Tutorial Steps to Use Two CheckBox Groups, Tutorial Steps to Understand Signals and Slots, Tutorial Steps to Convert Data Types, Tutorial Steps to Use Spin Box Widget, Tutorial Steps to Use ScrollBar and Slider, Tutorial Steps to Use List Widget, Tutorial Steps to Select Multiple List Items in One List Widget and Display It in Another List Widget, Tutorial Steps to Insert Item into List Widget, Tutorial Steps to Use Operations on Widget List, Tutorial Steps to Use Combo Box, Tutorial Steps to Use Calendar Widget and Date Edit, and Tutorial Steps to Use Table Widget. In Chapter 2, you will learn: Tutorial Steps To Create A Simple Line Graph, Tutorial Steps To Create A Simple Line Graph in Python GUI, Tutorial Steps To Create A Simple Line Graph in Python GUI: Part 2, Tutorial Steps To Create Two or More Graphs in the Same Axis, Tutorial Steps To Create Two Axes in One Canvas, Tutorial Steps To Use Two Widgets, Tutorial Steps To Use Two Widgets, Each of Which Has Two Axes, Tutorial Steps To Use Axes With Certain Opacity Levels, Tutorial Steps To Choose Line Color From Combo Box, Tutorial Steps To Calculate Fast Fourier Transform, Tutorial Steps To Create GUI For FFT, Tutorial Steps To Create GUI For FFT With Some Other Input Signals, Tutorial Steps To Create GUI For Noisy Signal, Tutorial Steps To Create GUI For Noisy Signal Filtering, and Tutorial Steps To Create GUI For Wav Signal Filtering. In Chapter 3, you will learn: Tutorial Steps To Convert RGB Image Into Grayscale, Tutorial Steps To Convert RGB Image Into YUV Image, Tutorial Steps To Convert RGB Image Into HSV Image, Tutorial Steps To Filter Image, Tutorial Steps To Display Image Histogram, Tutorial Steps To Display Filtered Image Histogram, Tutorial Steps To Filter Image With CheckBoxes, Tutorial Steps To Implement Image Thresholding, and Tutorial Steps To Implement Adaptive Image Thresholding. In Chapter 4, you will learn: Tutorial Steps To Generate And Display Noisy Image, Tutorial Steps To Implement Edge Detection On Image, Tutorial Steps To Implement Image Segmentation Using Multiple Thresholding and K-Means Algorithm, and Tutorial Steps To Implement Image Denoising. In Chapter 5, you will learn: Tutorial Steps To Detect Face, Eye, and Mouth Using Haar Cascades, Tutorial Steps To Detect Face Using Haar Cascades with PyQt, Tutorial Steps To Detect Eye, and Mouth Using Haar Cascades with PyQt, and Tutorial Steps To Extract Detected Objects. In Chapter 6, you will learn: Tutorial Steps To Detect Image Features Using Harris Corner Detection, Tutorial Steps To Detect Image Features Using Shi-Tomasi Corner Detection, Tutorial Steps To Detect Features Using Scale-Invariant Feature Transform (SIFT), and Tutorial Steps To Detect Features Using Features from Accelerated Segment Test (FAST). You can download the XML files from https://viviansiahaan.blogspot.com/2023/06/learn-from-scratch-signal-and-image.html.
Book Synopsis Hands-On Image Processing with Python by : Sandipan Dey
Download or read book Hands-On Image Processing with Python written by Sandipan Dey and published by Packt Publishing Ltd. This book was released on 2018-11-30 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore the mathematical computations and algorithms for image processing using popular Python tools and frameworks. Key FeaturesPractical coverage of every image processing task with popular Python librariesIncludes topics such as pseudo-coloring, noise smoothing, computing image descriptorsCovers popular machine learning and deep learning techniques for complex image processing tasksBook Description Image processing plays an important role in our daily lives with various applications such as in social media (face detection), medical imaging (X-ray, CT-scan), security (fingerprint recognition) to robotics & space. This book will touch the core of image processing, from concepts to code using Python. The book will start from the classical image processing techniques and explore the evolution of image processing algorithms up to the recent advances in image processing or computer vision with deep learning. We will learn how to use image processing libraries such as PIL, scikit-mage, and scipy ndimage in Python. This book will enable us to write code snippets in Python 3 and quickly implement complex image processing algorithms such as image enhancement, filtering, segmentation, object detection, and classification. We will be able to use machine learning models using the scikit-learn library and later explore deep CNN, such as VGG-19 with Keras, and we will also use an end-to-end deep learning model called YOLO for object detection. We will also cover a few advanced problems, such as image inpainting, gradient blending, variational denoising, seam carving, quilting, and morphing. By the end of this book, we will have learned to implement various algorithms for efficient image processing. What you will learnPerform basic data pre-processing tasks such as image denoising and spatial filtering in PythonImplement Fast Fourier Transform (FFT) and Frequency domain filters (e.g., Weiner) in PythonDo morphological image processing and segment images with different algorithmsLearn techniques to extract features from images and match imagesWrite Python code to implement supervised / unsupervised machine learning algorithms for image processingUse deep learning models for image classification, segmentation, object detection and style transferWho this book is for This book is for Computer Vision Engineers, and machine learning developers who are good with Python programming and want to explore details and complexities of image processing. No prior knowledge of the image processing techniques is expected.
Book Synopsis DIGITAL VIDEO PROCESSING PROJECTS USING PYTHON AND TKINTER by : Vivian Siahaan
Download or read book DIGITAL VIDEO PROCESSING PROJECTS USING PYTHON AND TKINTER written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2024-03-23 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first project is a video player application with an additional feature to compute and display the MD5 hash of each frame in a video. The user interface is built using Tkinter, a Python GUI toolkit, providing buttons for opening a video file, playing, pausing, and stopping the video playback. Upon opening a video file, the application displays metadata such as filename, duration, resolution, FPS, and codec information in a table. The video can be navigated using a slider to seek to a specific time point. When the video is played, the application iterates through each frame, extracts it from the video clip, calculates its MD5 hash, and displays the frame along with its histogram and MD5 hash. The histogram represents the pixel intensity distribution of each color channel (red, green, blue) in the frame. The computed MD5 hash for each frame is displayed in a label below the video frame. Additionally, the frame hash along with its index is saved to a text file for further analysis or verification purposes. The class encapsulates the functionality of the application, providing methods for opening a video file, playing and controlling video playback, updating metadata, computing frame histogram, plotting histogram, calculating MD5 hash for each frame, and saving frame hashes to a file. The main function initializes the Tkinter root window, instantiates the class, and starts the Tkinter event loop to handle user interactions and update the GUI accordingly. The second project is a video player application with additional features for frame extraction and visualization of RGB histograms for each frame. Developed using Tkinter, a Python GUI toolkit, the application provides functionalities such as opening a video file, playing, pausing, and stopping video playback. The user interface includes buttons for controlling video playback, a combobox for selecting zoom scale, an entry for specifying a time point to jump to, and buttons for frame extraction and opening another instance of the application. Upon opening a video file, the application loads it using the imageio library and displays the frames in a canvas. Users can play, pause, and stop the video using dedicated buttons. The zoom scale can be adjusted, and the video can be navigated using scrollbar or time entry. Additionally, users can extract a specific frame by entering its frame number, which opens a new window displaying the extracted frame along with its RGB histograms and MD5 hash value. The class encapsulates the application's functionalities, including methods for opening a video file, playing/pausing/stopping video, updating zoom scale, displaying frames, handling mouse events for dragging and scrolling, jumping to a specified time, and extracting frames. The main function initializes the Tkinter root window and starts the application's event loop to handle user interactions and update the GUI accordingly. Users can also open multiple instances of the application simultaneously to work with different video files concurrently. The third project is a GUI application built with Tkinter for calculating hash values of video frames and displaying them in a listbox. The interface consists of different frames for video display and hash values, along with buttons for controlling video playback, calculating hashes, saving hash values to a file, and opening a new instance of the application. Users can open a video file using the "Open Video" button, after which they can play, pause, or stop the video using corresponding buttons. Upon opening a video file, the application reads frames from the video capture and displays them in the designated frame. Users can interact with the video using playback buttons to control the video's flow. Hash values for each frame are calculated using various hashing algorithms such as MD5, SHA-1, SHA-256, and others. These hash values are then displayed in the listbox, allowing users to view the hash values corresponding to each algorithm. Additionally, users can save the calculated hash values to a text file by clicking the "Save Hashes" button, providing a convenient way to store and analyze the hash data. Lastly, users can open multiple instances of the application simultaneously by clicking the "Open New Instance" button, facilitating concurrent processing of different video files. The fourth project is a GUI application developed using Tkinter for analyzing video frames through frame hashing and histogram visualization. The interface presents a canvas for displaying the video frames along with control buttons for video playback, frame extraction, and zoom control. Users can open a video file using the "Open Video" button, and the application provides functionality to play, pause, and stop the video playback. Additionally, users can jump to specific time points within the video using the time entry field and "Jump to Time" button. Upon extracting a frame, the application opens a new window displaying the selected frame along with its histogram and multiple hash values calculated using various algorithms such as MD5, SHA-1, SHA-256, and others. The histogram visualization presents the distribution of pixel values across the RGB channels, aiding in the analysis of color composition within the frame. The hash values are displayed in a listbox within the frame extraction window, providing users with comprehensive information about the frame's content and characteristics. Furthermore, users can open multiple instances of the application simultaneously, enabling concurrent analysis of different video files. The fifth project implements a video player application with edge detection capabilities using various algorithms. The application is designed using the Tkinter library for the graphical user interface (GUI). Upon execution, the user is presented with a window containing control buttons and panels for displaying the video and extracted frames. The main functionalities of the application include opening a video file, playing, pausing, and stopping the video playback. Additionally, users can jump to a specific time in the video, extract frames, and open another instance of the video player application. The video playback is displayed on a canvas, allowing for zooming in and out using a combobox to adjust the scale. One of the key features of this application is the ability to perform edge detection on frames extracted from the video. When a frame is extracted, the application displays the original frame alongside its edge detection result using various algorithms such as Canny, Sobel, Prewitt, Laplacian, Scharr, Roberts, FreiChen, Kirsch, Robinson, Gaussian, or no edge detection. Histogram plots for each RGB channel of the frame are also displayed, along with hash values computed using different hashing algorithms for integrity verification. The edge detection result and histogram plots are updated dynamically based on the selected edge detection algorithm. Overall, this application provides a convenient platform for visualizing video content and performing edge detection analysis on individual frames, making it useful for tasks such as video processing, computer vision, and image analysis. The sixth project is a Python application built using the Tkinter library for creating a graphical user interface (GUI) to play videos and apply various filtering techniques to individual frames. The application allows users to open video files in common formats such as MP4, AVI, and MKV. Once a video is opened, users can play, pause, stop, and jump to specific times within the video. The GUI consists of two main panels: one for displaying the video and another for control buttons. The video panel contains a canvas where the frames of the video are displayed. Users can zoom in or out on the video frames using a combobox, and they can also scroll horizontally through the video using a scrollbar. Control buttons such as play/pause, stop, extract frame, and open another video player are provided in the control panel. When a frame is extracted, the application opens a new window displaying the extracted frame along with options to apply various filtering methods. These methods include Gaussian blur, mean blur, median blur, bilateral filtering, non-local means denoising, anisotropic diffusion, total variation denoising, Wiener filter, adaptive thresholding, and wavelet transform. Users can select a filtering method from a dropdown menu, and the filtered result along with the histogram and hash values of the frame are displayed in real-time. The application also provides functionality to open another instance of the video player, allowing users to work with multiple videos simultaneously. Overall, this project provides a user-friendly interface for playing videos and applying filtering techniques to individual frames, making it useful for tasks such as video processing, analysis, and editing.
Book Synopsis Python for Artificial Intelligence and Data Science by : Mr.G.Hubert
Download or read book Python for Artificial Intelligence and Data Science written by Mr.G.Hubert and published by SK Research Group of Companies. This book was released on 2024-09-10 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mr.G.Hubert, Assistant Professor & Head, Department of Artificial Intelligence, S.I.V.E.T. College, Chennai, Tamil Nadu, India. Dr.Sowmya Naik.P.T, Professor & Head, Department of Computer Science and Engineering, City Engineering College, Bengaluru, Karnataka, India. Dr.Ambika.P.R, Professor, Department of Computer Science and Engineering, City Engineering College, Bengaluru, Karnataka, India. Mrs.Laxmi.M.C, Assistant Professor, Department of Computer Science and Engineering, City Engineering College, Bengaluru, Karnataka, India.
Book Synopsis EMOTION PREDICTION FROM TEXT USING MACHINE LEARNING AND DEEP LEARNING WITH PYTHON GUI by : Vivian Siahaan
Download or read book EMOTION PREDICTION FROM TEXT USING MACHINE LEARNING AND DEEP LEARNING WITH PYTHON GUI written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2023-06-28 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a captivating book that delves into the intricacies of building a robust system for emotion detection in textual data. Throughout this immersive exploration, readers are introduced to the methodologies, challenges, and breakthroughs in accurately discerning the emotional context of text. The book begins by highlighting the importance of emotion detection in various domains such as social media analysis, customer sentiment evaluation, and psychological research. Understanding human emotions in text is shown to have a profound impact on decision-making processes and enhancing user experiences. Readers are then guided through the crucial stages of data preprocessing, where text is carefully cleaned, tokenized, and transformed into meaningful numerical representations using techniques like Count Vectorization, TF-IDF Vectorization, and Hashing Vectorization. Traditional machine learning models, including Logistic Regression, Random Forest, XGBoost, LightGBM, and Convolutional Neural Network (CNN), are explored to provide a foundation for understanding the strengths and limitations of conventional approaches. However, the focus of the book shifts towards the Long Short-Term Memory (LSTM) model, a powerful variant of recurrent neural networks. Leveraging word embeddings, the LSTM model adeptly captures semantic relationships and long-term dependencies present in text, showcasing its potential in emotion detection. The LSTM model's exceptional performance is revealed, achieving an astounding accuracy of 86% on the test dataset. Its ability to grasp intricate emotional nuances ingrained in textual data is demonstrated, highlighting its effectiveness in capturing the rich tapestry of human emotions. In addition to the LSTM model, the book also explores the Convolutional Neural Network (CNN) model, which exhibits promising results with an accuracy of 85% on the test dataset. The CNN model excels in capturing local patterns and relationships within the text, providing valuable insights into emotion detection. To enhance usability, an intuitive training and predictive interface is developed, enabling users to train their own models on custom datasets and obtain real-time predictions for emotion detection. This interactive interface empowers users with flexibility and accessibility in utilizing the trained models. The book further delves into the performance comparison between the LSTM model and traditional machine learning models, consistently showcasing the LSTM model's superiority in capturing complex emotional patterns and contextual cues within text data. Future research directions are explored, including the integration of pre-trained language models such as BERT and GPT, ensemble techniques for further improvements, and the impact of different word embeddings on emotion detection. Practical applications of the developed system and models are discussed, ranging from sentiment analysis and social media monitoring to customer feedback analysis and psychological research. Accurate emotion detection unlocks valuable insights, empowering decision-making processes and fostering meaningful connections. In conclusion, this project encapsulates a transformative expedition into understanding human emotions in text. By harnessing the power of machine learning techniques, the book unlocks the potential for accurate emotion detection, empowering industries to make data-driven decisions, foster connections, and enhance user experiences. This book serves as a beacon for researchers, practitioners, and enthusiasts venturing into the captivating world of emotion detection in text.
Book Synopsis High-throughput Image Reconstruction and Analysis by : A. Ravishankar Rao
Download or read book High-throughput Image Reconstruction and Analysis written by A. Ravishankar Rao and published by Artech House. This book was released on 2009 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This innovative volume surveys the latest image acquisition advances in serial block face techniques in scanning electron microscopy, knife-edge scanning microscopy, and 4D imaging of multi-component biological systems. The book introduces parallel processing for biological applications. You learn advanced parallelization techniques for decomposing a problem domain and mapping it onto a parallel processing architecture using the message-passing interface (MPI) and OpenMP. Case studies show how these techniques have been successfully used in simulation tasks, data mining, and graphical visualization of biological datasets. You also find coverage of methods for developing scalable biological image databases and for facilitating greater interactive visualization of large image sets.
Book Synopsis Getting Started with Forex Trading Using Python by : Alex Krishtop
Download or read book Getting Started with Forex Trading Using Python written by Alex Krishtop and published by Packt Publishing Ltd. This book was released on 2023-03-17 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discover the inner workings of today's forex market, the essential risks in forex algo trading, and how to mitigate them Key FeaturesBuild trading applications with research and without advanced Python programming skillsDive into professional fx trading while enhancing your trading apps to be more accurateDevelop simple yet efficient backtesting applications to help keep your expectations realisticBook Description Algorithm-based trading is a popular choice for Python programmers due to its apparent simplicity. However, very few traders get the results they want, partly because they aren't able to capture the complexity of the factors that influence the market. Getting Started with Forex Trading Using Python helps you understand the market and build an application that reaps desirable results. The book is a comprehensive guide to everything that is market-related: data, orders, trading venues, and risk. From the programming side, you'll learn the general architecture of trading applications, systemic risk management, de-facto industry standards such as FIX protocol, and practical examples of using simple Python codes. You'll gain an understanding of how to connect to data sources and brokers, implement trading logic, and perform realistic tests. Throughout the book, you'll be encouraged to further study the intricacies of algo trading with the help of code snippets. By the end of this book, you'll have a deep understanding of the fx market from the perspective of a professional trader. You'll learn to retrieve market data, clean it, filter it, compress it into various formats, apply trading logic, emulate the execution of orders, and test the trading app before trading live. What you will learnExplore the forex market organization and operationsUnderstand the sources of alpha and the concept of algo tradingGet a grasp on typical risks and ways to mitigate themUnderstand fundamental and technical analysisConnect to data sources and check the integrity of market dataUse API and FIX protocol to send ordersTranslate trading ideas into codeRun reliable backtesting emulating real-world market conditionsWho this book is for This book is for financial traders and python developers who are interested in forex trading. Academic researchers looking to focus on practical applications will find this book useful. This book can also help established fx market professionals who want to take the first steps in algo trading. Familiarity with Python and object-oriented programming within the scope of an online course or self-study is a must. Knowledge of network protocols and interfaces is a plus but not a prerequisite, as is specific knowledge about markets and trading.
Book Synopsis Building Two Desktop Applications Using Python GUI and MariaDB by : Vivian Siahaan
Download or read book Building Two Desktop Applications Using Python GUI and MariaDB written by Vivian Siahaan and published by SPARTA PUBLISHING. This book was released on 2019-11-06 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, you will create two desktop applications using Python GUI and MariaDB. This book is mariadb-based python programming Intentionally designed for various levels of interest and ability of learners, this book is suitable for students, engineers, and even researchers in a variety of disciplines. No advanced programming experience is needed, and only a few school-level programming skill are needed. In the first chapter, you will learn to use several widgets in PyQt5: Display a welcome message; Use the Radio Button widget; Grouping radio buttons; Displays options in the form of a check box; and Display two groups of check boxes. In chapter two, you will learn to use the following topics: Using Signal / Slot Editor; Copy and place text from one Line Edit widget to another; Convert data types and make a simple calculator; Use the Spin Box widget; Use scrollbars and sliders; Using the Widget List; Select a number of list items from one Widget List and display them on another Widget List widget; Add items to the Widget List; Perform operations on the Widget List; Use the Combo Box widget; Displays data selected by the user from the Calendar Widget; Creating a hotel reservation application; and Display tabular data using Table Widgets. In third chapter, you will learn: How to create the initial three tables project in the School database: Teacher, Class, and Subject tables; How to create database configuration files; How to create a Python GUI for inserting and editing tables; How to create a Python GUI to join and query the three tables. In fourth chapter, you will learn how to: Create a main form to connect all forms; Create a project will add three more tables to the school database: Student, Parent, and Tuition tables; Create a Python GUI for inserting and editing tables; Create a Python GUI to join and query over the three tables. In chapter five, you will join the six classes, Teacher, TClass, Subject, Student, Parent, and Tuition and make queries over those tables. In chapter six, you will create dan configure database. In this chapter, you will create Suspect table in crime database. This table has eleven columns: suspect_id (primary key), suspect_name, birth_date, case_date, report_date, suspect_ status, arrest_date, mother_name, address, telephone, and photo. You will also create GUI to display, edit, insert, and delete for this table. In chapter seven, you will create a table with the name Feature_Extraction, which has eight columns: feature_id (primary key), suspect_id (foreign key), feature1, feature2, feature3, feature4, feature5, and feature6. The six fields (except keys) will have a VARCHAR data type (200). You will also create GUI to display, edit, insert, and delete for this table. In chapter eight, you will create two tables, Police and Investigator. The Police table has six columns: police_id (primary key), province, city, address, telephone, and photo. The Investigator table has eight columns: investigator_id (primary key), investigator_name, rank, birth_date, gender, address, telephone, and photo. You will also create GUI to display, edit, insert, and delete for both tables. In chapter nine, you will create two tables, Victim and Case_File. The Victim table has nine columns: victim_id (primary key), victim_name, crime_type, birth_date, crime_date, gender, address, telephone, and photo. The Case_File table has seven columns: case_file_id (primary key), suspect_id (foreign key), police_id (foreign key), investigator_id (foreign key), victim_id (foreign key), status, and description. You will create GUI to display, edit, insert, and delete for both tables as well.
Book Synopsis Image Analysis and Recognition by : Aurélio Campilho
Download or read book Image Analysis and Recognition written by Aurélio Campilho and published by Springer. This book was released on 2016-06-30 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed proceedings of the 13th International Conference on Image Analysis and Recognition, ICIAR 2016, held in Póvoa de Varzim, Portugal, in July 2016. The 79 revised full papers and 10 short papers presented were carefully reviewed and selected from 167 submissions. The papers are organized in the following topical sections: Advances in Data Analytics and Pattern Recognition with Applications, Image Enhancement and Restoration, Image Quality Assessment, Image Segmentation, Pattern Analysis and Recognition, Feature Extraction, Detection and Recognition, Matching, Motion and Tracking, 3D Computer Vision, RGB-D Camera Applications, Visual Perception in Robotics, Biometrics, Biomedical Imaging, Brain Imaging, Cardiovascular Image Analysis, Image Analysis in Ophthalmology, Document Analysis, Applications, and Obituaries. The chapter 'Morphological Separation of Clustered Nuclei in Histological Images' is published open access under a CC BY 4.0 license at link.springer.com.
Book Synopsis Learning Apache OpenWhisk by : Michele Sciabarrà
Download or read book Learning Apache OpenWhisk written by Michele Sciabarrà and published by O'Reilly Media. This book was released on 2019-07-03 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Serverless computing greatly simplifies software development. Your team can focus solely on your application while the cloud provider manages the servers you need. This practical guide shows you step-by-step how to build and deploy complex applications in a flexible multicloud, multilanguage environment using Apache OpenWhisk. You’ll learn how this platform enables you to pursue a vendor-independent approach using preconfigured containers, microservices, and Kubernetes as your cloud operating system. Michele Sciabarrà demonstrates how to build a serverless application using classical design patterns and the programming language or languages that best fit your task. You’ll start by building a simple serverless application hands-on before diving into the more complex aspects of the OpenWhisk platform. Examine how OpenWhisk’s serverless architecture works, including the use of packages, actions, sequences, triggers, rules, and feeds Learn how OpenWhisk compares to existing architectures, such as Java Enterprise Edition Manipulate OpenWhisk features using the command-line interface or a JavaScript API Design applications using common Gang of Four design patterns Use architectural design patterns such as model-view-controller to combine several OpenWhisk actions Learn how to test and debug your code in a serverless environment
Book Synopsis CUSTOMER SEGMENTATION, CLUSTERING, AND PREDICTION WITH PYTHON by : Vivian Siahaan
Download or read book CUSTOMER SEGMENTATION, CLUSTERING, AND PREDICTION WITH PYTHON written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2023-07-04 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, we conducted a customer segmentation, clustering, and prediction analysis using Python. We began by exploring the customer dataset, examining its structure and contents. The dataset contained various features such as demographic, behavioral, and transactional attributes. To ensure accurate analysis and modeling, we performed data preprocessing steps. This involved handling missing values, removing duplicates, and addressing any data quality issues that could impact the results. We also split the dataset into features (X) and the target variable (y) for prediction tasks. Since the dataset had features with different scales and units, we applied feature scaling techniques. This process standardized or normalized the data, ensuring that all features contributed equally to the analysis. We then performed regression analysis on the "PURCHASESTRX" feature, which represents the number of purchase transactions made by customers. To begin the regression analysis, we first prepared the dataset by handling missing values, removing duplicates, and addressing any data quality issues. We then split the dataset into features (X) and the target variable (y), with "PURCHASESTRX" being the target variable for regression. We selected appropriate regression algorithms for modeling, such as Linear Regression, Random Forest, Naïve Bayes, KNN, Decision Trees, Support Vector, Ada Boost, Catboost, Gradient Boosting, Extreme Gradient Boosting, Light Gradient Boosting, and Multi-Layer Perceptron regressors. After training and evaluation, we analyzed the performance of the regression models. We examined the metrics to determine how accurately the models predicted the number of purchase transactions made by customers. A lower MAE and RMSE indicated better predictive performance, while a higher R2 score indicated a higher proportion of variance explained by the model. Based on the analysis, we provided insights and recommendations. These could include identifying factors that significantly influence the number of purchase transactions, understanding customer behavior patterns, or suggesting strategies to increase customer engagement and transaction frequency. Next, we focused on customer segmentation using unsupervised machine learning techniques. K-means clustering algorithm was employed to group customers into distinct segments. The optimal number of clusters was determined using KElbowVisualizer. To gain insights into the clusters, we visualized them 3D space. Dimensionality PCA reduction technique wasused to plot the clusters on scatter plots or 3D plots, enabling us to understand their separations and distributions. We then interpreted the segments by analyzing their characteristics. This involved identifying the unique features that differentiated one segment from another. We also pinpointed the key attributes or behaviors that contributed most to the formation of each segment. In addition to segmentation, we performed clusters prediction tasks using supervised machine learning techniques. Algorithms such as Logistic Regression, Random Forest, Naïve Bayes, KNN, Decision Trees, Support Vector, Ada Boost, Gradient Boosting, Extreme Gradient Boosting, Light Gradient Boosting, and Multi-Layer Perceptron Classifiers were chosen based on the specific problem. The models were trained on the training dataset and evaluated using the test dataset. To evaluate the performance of the prediction models, various metrics such as accuracy, precision, recall, F1-score, and ROC-AUC were utilized for classification tasks. Summarizing the findings and insights obtained from the analysis, we provided recommendations and actionable insights. These insights could be used for marketing strategies, product improvement, or customer retention initiatives.
Book Synopsis SYMMETRIC KEY CRYPTOGRAPHY WITH PYTHON AND TKINTER by : Vivian Siahaan
Download or read book SYMMETRIC KEY CRYPTOGRAPHY WITH PYTHON AND TKINTER written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2024-08-24 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the evolving landscape of data security, encryption algorithms play a crucial role in safeguarding sensitive information. This book delves into several prominent encryption algorithms, including AES, DES, 3DES, Blowfish, and CAST. Each algorithm offers unique strengths and is suitable for different use cases. Advanced Encryption Standard (AES) stands out for its robust security and efficiency, making it a preferred choice for many modern applications. Data Encryption Standard (DES), while historically significant, has largely been replaced by Triple DES (3DES), which enhances DES's security by applying it multiple times. Blowfish, a versatile and fast cipher, and CAST, known for its flexibility in key lengths, are also explored for their practical applications in various security scenarios. To provide a hands-on approach, this book includes detailed Python examples and Tkinter-based graphical user interfaces for each encryption algorithm. These practical examples illustrate how to implement these ciphers in real-world applications, from basic encryption and decryption processes to more complex use cases involving secure data handling and user interaction. Through these examples, readers will gain a comprehensive understanding of both the theoretical and practical aspects of encryption, empowering them to implement secure solutions tailored to their specific needs. In chapter two, we discussed the development of a Tkinter-based GUI application for AES encryption and decryption of synthetic data. The application consists of multiple tabs: one for displaying original data, one for showing encrypted data, another for decrypted data, and a fourth for entering and managing passwords. Key functionalities include generating a synthetic dataset with various attributes like UserID, Name, and Email, encrypting and decrypting this data using AES encryption in GCM mode, and displaying the results in a ttk.Treeview. The application also features password management, allowing users to set a password, generate an encryption key from it, and update the displays accordingly. The code includes several methods for data encryption and decryption, key derivation, and DataFrame management. The generate_data_intelligence_dataset method creates synthetic data, while encrypt_data and decrypt_data methods handle AES encryption and decryption. The update_displays method updates the DataFrame with encrypted and decrypted data and saves these to Excel files. The display_dataframe method dynamically displays DataFrames in the Tkinter GUI, with alternating row colors for better readability. This session detailed how each part of the code contributes to creating a rich and interactive application for handling encrypted data. In chapter three, we explored a detailed Tkinter application designed for managing and visualizing Bitcoin transaction data. The application generates synthetic data including wallet addresses, transaction types, dates, Bitcoin amounts, and their USD equivalents. Users enter an 8-byte DES key to encrypt Bitcoin amounts using DES encryption. The encrypted data is displayed in a tab within the Tkinter GUI, and users can view a histogram showing the distribution of Bitcoin amounts, both before and after encryption. The application leverages various Python libraries: tkinter for the GUI, pandas for data manipulation, Crypto.Cipher.DES for encryption, and matplotlib for plotting. Key functions include generating synthetic Bitcoin data, encrypting data with DES, and visualizing data distributions. The GUI is structured with tabs for entering the password, viewing original and encrypted data, and displaying distribution graphs. The session detailed how each function works, from generating Bitcoin addresses and transaction data to encrypting and decrypting data and plotting results. In chapter four, we discussed a Python code that integrates a Tkinter GUI with Triple DES (3DES) encryption and SQLite database management. The code encompasses the setup of an SQLite database, encryption and decryption of transaction data using 3DES, and functions for saving and retrieving encrypted transaction records. Key functions include generating a 3DES key, encrypting and decrypting data with appropriate padding, and handling database operations with retry logic to manage potential locking issues. We explored the database setup with table creation, and transaction management, and incorporated robust error handling to ensure reliable operation. The GUI implementation leverages Tkinter for user interaction and display, including functions to generate 3DES keys, handle encryption/decryption operations, and manage transaction records in an SQLite database. The session covered detailed explanations of how each part of the code operates, from database setup and key generation to data encryption/decryption and transaction storage. This comprehensive approach ensures secure handling of sensitive data and integrates encryption functionalities within a user-friendly interface, demonstrating practical applications of cryptographic techniques in a real-world scenario. In chapter five, we detailed a Python script using Tkinter for a secure cloud storage application leveraging Blowfish encryption. The script includes several core functionalities: user authentication, file upload and download, and cryptographic operations. Key aspects include helper functions for generating and verifying HMACs, as well as Blowfish encryption and decryption. The GUI is organized into tabs for user login/register, file upload, file download, and logs. Functions are defined to handle file selection, encryption, upload, HMAC generation, and downloading, ensuring that data integrity is maintained through HMAC verification and secure file handling. The Tkinter-based GUI is designed to provide a user-friendly interface for interacting with the secure cloud storage system. The SecureCloudStorageApp class initializes and configures the GUI with tabs for different functionalities. It manages user login, registration, file selection, and storage operations. The application supports encryption and decryption of files, storing encrypted data and HMACs, and provides feedback through a log and message boxes. This setup ensures secure data handling and user management, integrating cryptographic functions seamlessly into a functional application interface. In chapter six, we discussed and refined a Python script for managing file encryption and decryption using the CAST cipher, implemented with a Tkinter graphical user interface (GUI). The script includes functions for generating encryption keys, encrypting and decrypting files, and handling file uploads and downloads. It also features user authentication and registration mechanisms, utilizing bcrypt for password hashing and checking. The GUI allows users to perform these actions through a series of buttons and input fields, with status updates and error messages displayed in a scrollable text area. We further improved the script by adding error handling for file operations and ensuring proper file path management. Enhancements included better user feedback through message boxes for errors related to file reading, JSON decoding, and user actions. These improvements aimed to make the application more robust and user-friendly, ensuring reliable file management and secure encryption practices. The final version also addressed exceptions and edge cases to enhance the overall reliability and functionality of the Tkinter-based application.
Book Synopsis TIME-SERIES WEATHER: FORECASTING AND PREDICTION WITH PYTHON by : Vivian Siahaan
Download or read book TIME-SERIES WEATHER: FORECASTING AND PREDICTION WITH PYTHON written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2023-07-12 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this project, we embarked on a journey of exploring time-series weather data and performing forecasting and prediction using Python. The objective was to gain insights into the dataset, visualize feature distributions, analyze year-wise and month-wise patterns, apply ARIMA regression to forecast temperature, and utilize machine learning models to predict weather conditions. Let's delve into each step of the process. To begin, we started by exploring the dataset, which contained historical weather data. We examined the structure and content of the dataset to understand its variables, such as temperature, humidity, wind speed, and weather conditions. Understanding the dataset is crucial for effective analysis and modeling. Next, we visualized the distributions of different features. By creating histograms, box plots, and density plots, we gained insights into the range, central tendency, and variability of the variables. These visualizations allowed us to identify any outliers, skewed distributions, or patterns within the data. Moving on, we explored the dataset's temporal aspects by analyzing year-wise and month-wise distributions. This involved aggregating the data based on years and months and visualizing the trends over time. By examining these patterns, we could observe any long-term or seasonal variations in the weather variables. After gaining a comprehensive understanding of the dataset, we proceeded to apply ARIMA regression for temperature forecasting. ARIMA (Autoregressive Integrated Moving Average) is a powerful technique for time-series analysis. By fitting an ARIMA model to the temperature data, we were able to make predictions and assess the model's accuracy in capturing the underlying patterns. In addition to temperature forecasting, we aimed to predict weather conditions using machine learning models. We employed various classification algorithms such as Logistic Regression, Decision Trees, Random Forests, Support Vector Machines (SVM), K-Nearest Neighbors (KNN), Adaboost, Gradient Boosting, Extreme Gradient Boosting (XGBoost), Light Gradient Boosting (LGBM), and Multi-Layer Perceptron (MLP). These models were trained on the historical weather data, with weather conditions as the target variable. To evaluate the performance of the machine learning models, we utilized several metrics: accuracy, precision, recall, and F1 score. Accuracy measures the overall correctness of the predictions, while precision quantifies the proportion of true positive predictions out of all positive predictions. Recall, also known as sensitivity, measures the ability to identify true positives, and F1 score combines precision and recall into a single metric. Throughout the process, we emphasized the importance of data preprocessing, including handling missing values, scaling features, and splitting the dataset into training and testing sets. Preprocessing ensures the data is in a suitable format for analysis and modeling, and it helps prevent biases or inconsistencies in the results. By following this step-by-step approach, we were able to gain insights into the dataset, visualize feature distributions, analyze temporal patterns, forecast temperature using ARIMA regression, and predict weather conditions using machine learning models. The evaluation metrics provided a comprehensive assessment of the models' performance in capturing the weather conditions accurately. In conclusion, this project demonstrated the power of Python in time-series weather forecasting and prediction. Through data exploration, visualization, regression analysis, and machine learning modeling, we obtained valuable insights and accurate predictions regarding temperature and weather conditions. This knowledge can be applied in various domains such as agriculture, transportation, and urban planning, enabling better decision-making based on weather forecasts.
