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Defect Detection In Infrared Thermography By Deep Learning Algorithms
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Book Synopsis Defect Detection in Infrared Thermography by Deep Learning Algorithms by : Qiang Fang
Download or read book Defect Detection in Infrared Thermography by Deep Learning Algorithms written by Qiang Fang and published by . This book was released on 2021 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-destructive evaluation (NDE) is a field to identify all types of structural damage in an object of interest without applying any permanent damage and modification. This field has been intensively investigated for many years. The infrared thermography (IR) is one of NDE technology through inspecting, characterize and analyzing defects based on the infrared images (sequences) from the recordation of infrared light emission and reflection to evaluate non-self-heating objects for quality control and safety assurance. In recent years, the deep learning field of artificial intelligence has made remarkable progress in image processing applications. This field has shown its ability to overcome most of the disadvantages in other approaches existing previously in a great number of applications. Whereas due to the insufficient training data, deep learning algorithms still remain unexplored, and only few publications involving the application of it for thermography nondestructive evaluation (TNDE). The intelligent and highly automated deep learning algorithms could be coupled with infrared thermography to identify the defect (damages) in composites, steel, etc. with high confidence and accuracy. Among the topics in the TNDE research field, the supervised and unsupervised machine learning techniques both are the most innovative and challenging tasks for defect detection analysis. In this project, we construct integrated frameworks for processing raw data from infrared thermography using deep learning algorithms and highlight of the methodologies proposed include the following: 1. Automatic defect identification and segmentation by deep learning algorithms in infrared thermography. The pre-trained convolutional neural networks (CNNs) are introduced to capture defect feature in infrared thermal images to implement CNNs based models for the detection of structural defects in samples made of composite materials (fault diagnosis). Several alternatives of deep CNNs for the detection of defects in the Infrared thermography. The comparisons of performance of the automatic defect detection and segmentation in infrared thermography using different deep learning detection methods: (i) instance segmentation (Center-mask; Mask-RCNN); (ii) objective location (Yolo-v3; Faster-RCNN); (iii) semantic segmentation (Unet; Res-unet); 2. Data augmentation technique through synthetic data generation to reduce the cost of high expense associated with the collection of original infrared data in the composites (aircraft components.) to enrich training data for feature learning in TNDE; 3. The generative adversarial network (Deep convolutional GAN and Wasserstein GAN) is introduced to the infrared thermography associated with partial least square thermography (PLST) (PLS-GANs network) for visible feature extraction of defects and enhancement of the visibility of defects to remove noise in Pulsed thermography; 4. Automatic defect depth estimation (Characterization issue) from simulated infrared data using a simplified recurrent neural network: Gate Recurrent Unit (GRU) through the regression supervised learning.
Book Synopsis Active Thermography by : Mohammad Hossein Ahmadi
Download or read book Active Thermography written by Mohammad Hossein Ahmadi and published by . This book was released on 2022 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pulse Phase Thermography (PPT) has been introduced as a novel robust Non-Destructive Testing (NDT) Infrared Thermography (IRT) technique. It employs Discrete Fourier Transform (DFT) to thermal images obtained following flash heating of the front surface of a specimen to extract the phase delay (or phase) information. The computed phase grams (or phase maps) are used for defect visualization in many materials. The temperature contrast enables defect detection based on thermographic data. However, thermal images usually involve significant measurement noise and non-uniform backgrounds caused by uneven heating and environmental reflections. As a result, it is not easy to recognize the defective regions efficiently. In this work, we applied Long Short-Term Memory (LSTM) and Convolutions Neural Networks works (CNNs) based on deep learning (DL) models to defect detection and defect depth classification from thermographic image data. Our experimental results showed that the proposed DL-based architecture achieved 0.95 and 0.77 accuracy scores for sound and defected pixels classification. Furthermore, the experimental results illustrated that LSTM and CNN techniques achieved 0.91 and 0.82 accuracies for defect-depth classification, respectively. Consequently, the LSTM technique overcame the CNNs technique for defect detection and defect-depth classification cases.
Book Synopsis Machine Vision and Augmented Intelligence—Theory and Applications by : Manish Kumar Bajpai
Download or read book Machine Vision and Augmented Intelligence—Theory and Applications written by Manish Kumar Bajpai and published by Springer Nature. This book was released on 2021-11-10 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the proceedings of the International Conference on Machine Vision and Augmented Intelligence (MAI 2021) held at IIIT, Jabalpur, in February 2021. The conference proceedings encapsulate the best deliberations held during the conference. The diversity of participants in the event from academia, industry, and research reflects in the articles appearing in the volume. The book theme encompasses all industrial and non-industrial applications in which a combination of hardware and software provides operational guidance to devices in the execution of their functions based on the capture and processing of images. This book covers a wide range of topics such as modeling of disease transformation, epidemic forecast, COVID-19, image processing and computer vision, augmented intelligence, soft computing, deep learning, image reconstruction, artificial intelligence in healthcare, brain-computer interface, cybersecurity, and social network analysis, natural language processing, etc.
Book Synopsis Nondestructive Evaluation of Materials by Infrared Thermography by : Xavier P.V. Maldague
Download or read book Nondestructive Evaluation of Materials by Infrared Thermography written by Xavier P.V. Maldague and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: With national trade barriers falling, causing the expansion of the com petitive global market, the question of quality control has become an essential issue for the 1990s. The time where the promise was to replace a product if it does not work seems to have passed; what is more impor tant now is not so much a reduction in what is going wrong but an increase of what is going right the first time (Feigenbaum 1990). This new trend is sometimes referred to as total quality. Among the many advantages ofthis zero-defect manufacturing policy, we can enumerate (Laurin 1990): superior marketability of wholly de pendable products, enormous gain in productivity, elimination of waste ful cost in replacing poor quality work and retrofitting rejected products from the field. Although total quality is a relatively new and attractive concept for mass products such as cars, consumer electronics and per sonal computers, in many fields, mainly aerospace and military, it has been the rule for years because of security reasons.
Book Synopsis Detection and Estimation of Defect Depth in Infrared Thermography Using Artificial Neural Networks and Fuzzy Logic by :
Download or read book Detection and Estimation of Defect Depth in Infrared Thermography Using Artificial Neural Networks and Fuzzy Logic written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Non Destructive Evaluation by : Shyamsunder Mandayam
Download or read book Advances in Non Destructive Evaluation written by Shyamsunder Mandayam and published by Springer Nature. This book was released on 2022-04-11 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the proceedings of the Conference and Exhibition on Non Destructive Evaluation (NDE 2020). The contents of the volume encompass a vast spectrum from Conventional to Advanced NDE including novel methods, instrumentation, sensors, procedures, and data analytics as applied to all industry segments for quality control, periodic maintenance, life estimation, structural integrity and related areas. This book will be a useful reference for students, researchers and practitioners.
Book Synopsis Infrared Thermographic NDT-based Damage Detection and Analysis Method for Spacecraft by : Chun Yin
Download or read book Infrared Thermographic NDT-based Damage Detection and Analysis Method for Spacecraft written by Chun Yin and published by Springer Nature. This book was released on 2024-01-05 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book focuses on infrared thermographic NDT systems and approaches. Both principles and engineering practice are covered, with more emphasis on the engineering practice of spacecraft damage detection and analysis. This is achieved by providing an in-depth study of several major topics such as infrared feature extraction, damage reconstruction, reconstructed image fusion, reconstructed image stitching, reconstructed image segmentation, defect positioning, defect edge detection and quantitative calculation. A number of application cases are discussed in detail, including impact damage to single-layer and multi-layer protective configurations, simple impact damage, and complex multi-type impact damage. The comprehensive and systematic treatment of practical problems in infrared detection and spacecraft damage identification is one of the main features of this book, which is particularly suitable for those interested in learning practical solutions in infrared detection technology. This book can benefit researchers, engineers, and graduate students in the fields of aerospace design and manufacturing, spacecraft environmental engineering, and non-destructive testing technology, etc.
Book Synopsis Methods, Algorithms and Circuits for Photovoltaic Systems Diagnosis and Control by : Giovanni Spagnuolo
Download or read book Methods, Algorithms and Circuits for Photovoltaic Systems Diagnosis and Control written by Giovanni Spagnuolo and published by MDPI. This book was released on 2021-04-29 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: In modern photovoltaic systems, there is an ever-increasing need to improve the system efficiency, to detect internal faults and to guarantee service continuity. The only way to meet these objectives is to utilize and create synergies between diagnostic techniques and control algorithms. Diagnostic methods can be implemented through module-dedicated electronics, by running on real-time embedded systems or by using a huge database on the cloud, profiting from artificial intelligence, machine learning, and classifiers. Model-based diagnostic approaches and data-driven methods are attracting the interest of the scientific community for the automatic detection of phenomena like the occurrence of hot spots, the increase of the ohmic losses, the degradation due to unexpected potentials (PID), switch failures in power electronic converters, and also the reduction of the power production due to soiling or partial shadowing. The detection of malfunctioning or even faults affecting the whole power conversion chain, from the photovoltaic modules to the power conversion stages, allows to perform proper control actions, also in terms of MPPT. Control algorithms, running on an embedded system, are optimized, e.g., through the online adaptation of their own parameters, by suitably processing data coming from the diagnostic algorithms. This book presents recent and original results about the diagnostic approaches to photovoltaic modules and related power electronics and control strategies with the aim to maximize the photovoltaic output power, to increase the whole system efficiency and to guarantee service continuity.
Book Synopsis Proceedings of Second International Conference in Mechanical and Energy Technology by : Sanjay Yadav
Download or read book Proceedings of Second International Conference in Mechanical and Energy Technology written by Sanjay Yadav and published by Springer Nature. This book was released on 2022-06-26 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected peer-reviewed papers from the International Conference on Mechanical and Energy Technologies, which was held on October 28–29, 2021, at Galgotias College of Engineering and Technology, Greater Noida, India. The book reports on the latest developments in the field of mechanical and energy technology in contributions prepared by experts from academia and industry. The broad range of topics covered includes aerodynamics and fluid mechanics, artificial intelligence, nonmaterial and nonmanufacturing technologies, rapid manufacturing technologies and prototyping, remanufacturing, renewable energies technologies, metrology and computer-aided inspection, etc. Accordingly, the book offers a valuable resource for researchers in various fields, especially mechanical and industrial engineering, and energy technologies.
Book Synopsis Methodology, Models and Algorithms in Thermographic Diagnostics by : Jozef Živčák
Download or read book Methodology, Models and Algorithms in Thermographic Diagnostics written by Jozef Živčák and published by Springer Science & Business Media. This book was released on 2013-06-12 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the methodology and techniques of thermographic applications with focus primarily on medical thermography implemented for parametrizing the diagnostics of the human body. The first part of the book describes the basics of infrared thermography, the possibilities of thermographic diagnostics and the physical nature of thermography. The second half includes tools of intelligent engineering applied for the solving of selected applications and projects. Thermographic diagnostics was applied to problematics of paraplegia and tetraplegia and carpal tunnel syndrome (CTS). The results of the research activities were created with the cooperation of the four projects within the Ministry of Education, Science, Research and Sport of the Slovak Republic entitled Digital control of complex systems with two degrees of freedom, Progressive methods of education in the area of control and modeling of complex object oriented systems on aircraft turbocompressor engines, Center for research of control of technical, environmental and human risks for permanent development of production and products in mechanical engineering and Research of new diagnostic methods in invasive implantology.
Book Synopsis Proceedings of the TEPEN International Workshop on Fault Diagnostic and Prognostic by : Tongtong Liu
Download or read book Proceedings of the TEPEN International Workshop on Fault Diagnostic and Prognostic written by Tongtong Liu and published by Springer Nature. This book was released on with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Thermography by : Raghu Prakash
Download or read book Infrared Thermography written by Raghu Prakash and published by BoD – Books on Demand. This book was released on 2012-03-14 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Infrared Thermography (IRT) is commonly as a NDE tool to identify damages and provide remedial action. The fields of application are vast, such as, materials science, life sciences and applied engineering. This book offers a collection of ten chapters with three major sections - relating to application of infrared thermography to study problems in materials science, agriculture, veterinary and sports fields as well as in engineering applications. Both mathematical modeling and experimental aspects of IRT are evenly discussed in this book. It is our sincere hope that the book meets the requirements of researchers in the domain and inspires more researchers to study IRT.
Book Synopsis The Proceedings of the 18th Annual Conference of China Electrotechnical Society by : Qingxin Yang
Download or read book The Proceedings of the 18th Annual Conference of China Electrotechnical Society written by Qingxin Yang and published by Springer Nature. This book was released on with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fourth International Conference on Image Processing and Capsule Networks by : Subarna Shakya
Download or read book Fourth International Conference on Image Processing and Capsule Networks written by Subarna Shakya and published by Springer Nature. This book was released on 2023-12-19 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes high-quality research papers presented at the Fourth International Conference on Image Processing and Capsule Networks (ICIPCN 2023), which is held in Bangkok, Thailand, during 10–11 August 2023. This book provides a collection of the state-of-the-art research attempts to tackle the challenges in image and signal processing from various novel and potential research perspectives. The book investigates feature extraction techniques, image enhancement methods, reconstruction models, object detection methods, recommendation models, deep and temporal feature analysis, intelligent decision support systems, and autonomous image detection models. In addition to this, the book also looks into the potential opportunities to monitor and control the global pandemic situations.
Book Synopsis Proceedings of 2021 International Conference on Autonomous Unmanned Systems (ICAUS 2021) by : Meiping Wu
Download or read book Proceedings of 2021 International Conference on Autonomous Unmanned Systems (ICAUS 2021) written by Meiping Wu and published by Springer Nature. This book was released on 2022-03-18 with total page 3575 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes original, peer-reviewed research papers from the ICAUS 2021, which offers a unique and interesting platform for scientists, engineers and practitioners throughout the world to present and share their most recent research and innovative ideas. The aim of the ICAUS 2021 is to stimulate researchers active in the areas pertinent to intelligent unmanned systems. The topics covered include but are not limited to Unmanned Aerial/Ground/Surface/Underwater Systems, Robotic, Autonomous Control/Navigation and Positioning/ Architecture, Energy and Task Planning and Effectiveness Evaluation Technologies, Artificial Intelligence Algorithm/Bionic Technology and Its Application in Unmanned Systems. The papers showcased here share the latest findings on Unmanned Systems, Robotics, Automation, Intelligent Systems, Control Systems, Integrated Networks, Modeling and Simulation. It makes the book a valuable asset for researchers, engineers, and university students alike.
Book Synopsis Infrared Thermal Imaging by : Michael Vollmer
Download or read book Infrared Thermal Imaging written by Michael Vollmer and published by John Wiley & Sons. This book was released on 2018-02-20 with total page 803 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new up-to-date edition of the successful handbook and ready reference retains the proven concept of the first, covering basic and advanced methods and applications in infrared imaging from two leading expert authors in the field. All chapters have been completely revised and expanded and a new chapter has been added to reflect recent developments in the field and report on the progress made within the last decade. In addition there is now an even stronger focus on real-life examples, with 20% more case studies taken from science and industry. For ease of comprehension the text is backed by more than 590 images which include graphic visualizations and more than 300 infrared thermography figures. The latter include many new ones depicting, for example, spectacular views of phenomena in nature, sports, and daily life.
Book Synopsis Infrared Thermography by : Waldemar Minkina
Download or read book Infrared Thermography written by Waldemar Minkina and published by John Wiley & Sons. This book was released on 2009-09-28 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Infrared Thermography, the authors discuss the sources of uncertainty, including how to quantify these sources, associated with the use of thermal imagers. This book explains the common misunderstandings in the interpretation of temperature measurements, and provides a metrological evaluation of commercially available infrared cameras. It suggests how to best estimate the accuracy of thermal imaging instruments, whilst considering the level of accuracy attributed to measurements from these thermal imagers. Key features: Begins with an introduction to uncertainties and radiance terms before moving onto the issues surrounding thermal imaging. Deals with the basic issues of thermal imager measurements such as the law of heat exchange by radiation and emissivity. Describes a typical processing algorithm of the measurement path for an example infrared camera. Discusses measurement error analysis of a thermal imaging system. Considers the results of simulation research of thermography uncertainty. Includes an accompanying website which hosts MATLAB® code. Infrared Thermography is primarily aimed at quantitative thermographers, and manufacturers, vendors and users of thermal imagers. This book is also of interest to senior undergraduate and postgraduate students across a range of disciplines such as electrical, mechanical and civil engineering, computer science, and biomedicine.
