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Author : Richard W. Schramke
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (288 download)
Download or read book Motion Estimation Techniques and Their Application to Digital Image Compression written by Richard W. Schramke and published by . This book was released on 1993 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Borko Furht
Publisher : Springer Science & Business Media
ISBN 13 : 1461562414
Total Pages : 168 pages
Book Rating : 4.4/5 (615 download)
Download or read book Motion Estimation Algorithms for Video Compression written by Borko Furht and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Video technology promises to be the key for the transmission of motion video. A number of video compression techniques and standards have been introduced in the past few years, particularly the MPEG-1 and MPEG-2 for interactive multimedia and for digital NTSC and HDTV applications, and H.2611H.263 for video telecommunications. These techniques use motion estimation techniques to reduce the amount of data that is stored and transmitted for each frame. This book is about these motion estimation algorithms, their complexity, implementations, advantages, and drawbacks. First, we present an overview of video compression techniques with an emphasis to techniques that use motion estimation, such as MPEG and H.2611H.263. Then, we give a survey of current motion estimation search algorithms, including the exhaustive search and a number of fast search algorithms. An evaluation of current search algorithms, based on a number of experiments on several test video sequences, is presented as well. The theoretical framework for a new fast search algorithm, Densely-Centered Uniform-P Search (DCUPS), is developed and presented in the book. The complexity of the DCUPS algorithm is comparable to other popular motion estimation techniques, however the algorithm shows superior results in terms of compression ratios and video qUality. We should stress out that these new results, presented in Chapters 4 and 5, have been developed by Joshua Greenberg, as part of his M.Sc. thesis entitled "Densely-Centered Uniform P-Search: A Fast Motion Estimation Algorithm" (FAU, 1996).
Author : Shilpa Metkar
Publisher : Springer Science & Business Media
ISBN 13 : 8132210972
Total Pages : 70 pages
Book Rating : 4.1/5 (322 download)
Download or read book Motion Estimation Techniques for Digital Video Coding written by Shilpa Metkar and published by Springer Science & Business Media. This book was released on 2013-03-15 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with the development of a methodology to estimate the motion field between two frames for video coding applications. This book proposes an exhaustive study of the motion estimation process in the framework of a general video coder. The conceptual explanations are discussed in a simple language and with the use of suitable figures. The book will serve as a guide for new researchers working in the field of motion estimation techniques.
Author : Madhuri A. Joshi
Publisher : CRC Press
ISBN 13 : 148222822X
Total Pages : 242 pages
Book Rating : 4.4/5 (822 download)
Download or read book Image and Video Compression written by Madhuri A. Joshi and published by CRC Press. This book was released on 2014-11-17 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image and video signals require large transmission bandwidth and storage, leading to high costs. The data must be compressed without a loss or with a small loss of quality. Thus, efficient image and video compression algorithms play a significant role in the storage and transmission of data. Image and Video Compression: Fundamentals, Techniques, and Applications explains the major techniques for image and video compression and demonstrates their practical implementation using MATLAB® programs. Designed for students, researchers, and practicing engineers, the book presents both basic principles and real practical applications. In an accessible way, the book covers basic schemes for image and video compression, including lossless techniques and wavelet- and vector quantization-based image compression and digital video compression. The MATLAB programs enable readers to gain hands-on experience with the techniques. The authors provide quality metrics used to evaluate the performance of the compression algorithms. They also introduce the modern technique of compressed sensing, which retains the most important part of the signal while it is being sensed.
Download or read book Investigation of Some Image and Video Coding Techniques written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Image compression refers to the process of reducing the quantity of data used to represent digital images, and is a combination of spatial image compression and temporal motion compensation. Spatial image compression is done by exploiting the spatial redundancy. Temporal motion compensation is done by exploiting the correlation of the pixels in the nearby frame. Images require substantial storage and transmission resources, thus image compression is advantageous to reduce these requirements. The report covers some background of wavelet analysis, data compression and how wavelets have been and can be used for image compression and some of the block matching techniques for motion estimation. In this thesis, investigations have been made to understand the actual mechanism of compression of still images and applying the principle to the video frames. Initially image compression is analyzed using wavelet transform and then it is implemented. In later stages motion estimation techniques are analyzed so as to achieve compression by exploiting the temporal redundancy. Six algorithms for motion estimation are analyzed and compared with each other through their results.
Author : Todd R. Reed
Publisher : CRC Press
ISBN 13 : 0203486781
Total Pages : 287 pages
Book Rating : 4.2/5 (34 download)
Download or read book Digital Image Sequence Processing, Compression, and Analysis written by Todd R. Reed and published by CRC Press. This book was released on 2004-07-27 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital image sequences (including digital video) are increasingly common and important components in technical applications ranging from medical imaging and multimedia communications to autonomous vehicle navigation. The immense popularity of DVD video and the introduction of digital television make digital video ubiquitous in the consumer domain. Digital Image Sequence Processing, Compression, and Analysis provides an overview of the current state of the field, as analyzed by leading researchers. An invaluable resource for planning and conducting research in this area, the book conveys a unified view of potential directions for further industrial development. It offers an in-depth treatment of the latest perspectives on processing, compression, and analysis of digital image sequences. Research involving digital image sequences remains extremely active. The advent of economical sequence acquisition, storage, and display devices, together with the availability of computing power, opens new areas of opportunity. This volume delivers the background necessary to understand the strengths and weaknesses of current techniques and the directions that consumer and technical applications may take over the coming decade.
Author : A. Murat Tekalp
Publisher : Prentice Hall
ISBN 13 : 0133991105
Total Pages : 808 pages
Book Rating : 4.1/5 (339 download)
Download or read book Digital Video Processing written by A. Murat Tekalp and published by Prentice Hall. This book was released on 2015-06-06 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the years, thousands of engineering students and professionals relied on Digital Video Processing as the definitive, in-depth guide to digital image and video processing technology. Now, Dr. A. Murat Tekalp has completely revamped the first edition to reflect today’s technologies, techniques, algorithms, and trends. Digital Video Processing, Second Edition, reflects important advances in image processing, computer vision, and video compression, including new applications such as digital cinema, ultra-high-resolution video, and 3D video. This edition offers rigorous, comprehensive, balanced, and quantitative coverage of image filtering, motion estimation, tracking, segmentation, video filtering, and compression. Now organized and presented as a true tutorial, it contains updated problem sets and new MATLAB projects in every chapter. Coverage includes Multi-dimensional signals/systems: transforms, sampling, and lattice conversion Digital images and video: human vision, analog/digital video, and video quality Image filtering: gradient estimation, edge detection, scaling, multi-resolution representations, enhancement, de-noising, and restoration Motion estimation: image formation; motion models; differential, matching, optimization, and transform-domain methods; and 3D motion and shape estimation Video segmentation: color and motion segmentation, change detection, shot boundary detection, video matting, video tracking, and performance evaluation Multi-frame filtering: motion-compensated filtering, multi-frame standards conversion, multi-frame noise filtering, restoration, and super-resolution Image compression: lossless compression, JPEG, wavelets, and JPEG2000 Video compression: early standards, ITU-T H.264/MPEG-4 AVC, HEVC, Scalable Video Compression, and stereo/multi-view approaches
Author : Raymond Westwater
Publisher : Springer
ISBN 13 : 0585323135
Total Pages : 164 pages
Book Rating : 4.5/5 (853 download)
Download or read book Real-Time Video Compression written by Raymond Westwater and published by Springer. This book was released on 2007-08-28 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Real-Time Video Compression: Techniques and Algorithms introduces the XYZ video compression technique, which operates in three dimensions, eliminating the overhead of motion estimation. First, video compression standards, MPEG and H.261/H.263, are described. They both use asymmetric compression algorithms, based on motion estimation. Their encoders are much more complex than decoders. The XYZ technique uses a symmetric algorithm, based on the Three-Dimensional Discrete Cosine Transform (3D-DCT). 3D-DCT was originally suggested for compression about twenty years ago; however, at that time the computational complexity of the algorithm was too high, it required large buffer memory, and was not as effective as motion estimation. We have resurrected the 3D-DCT-based video compression algorithm by developing several enhancements to the original algorithm. These enhancements make the algorithm feasible for real-time video compression in applications such as video-on-demand, interactive multimedia, and videoconferencing. The demonstrated results, presented in this book, suggest that the XYZ video compression technique is not only a fast algorithm, but also provides superior compression ratios and high quality of the video compared to existing standard techniques, such as MPEG and H.261/H.263. The elegance of the XYZ technique is in its simplicity, which leads to inexpensive VLSI implementation of any XYZ codec. Real-Time Video Compression: Techniques and Algorithms can be used as a text for graduate students and researchers working in the area of real-time video compression. In addition, the book serves as an essential reference for professionals in the field.
Author : Borko Furht
Publisher : Springer
ISBN 13 : 9781461378631
Total Pages : 164 pages
Book Rating : 4.3/5 (786 download)
Download or read book Motion Estimation Algorithms for Video Compression written by Borko Furht and published by Springer. This book was released on 2013-10-03 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Video technology promises to be the key for the transmission of motion video. A number of video compression techniques and standards have been introduced in the past few years, particularly the MPEG-1 and MPEG-2 for interactive multimedia and for digital NTSC and HDTV applications, and H.2611H.263 for video telecommunications. These techniques use motion estimation techniques to reduce the amount of data that is stored and transmitted for each frame. This book is about these motion estimation algorithms, their complexity, implementations, advantages, and drawbacks. First, we present an overview of video compression techniques with an emphasis to techniques that use motion estimation, such as MPEG and H.2611H.263. Then, we give a survey of current motion estimation search algorithms, including the exhaustive search and a number of fast search algorithms. An evaluation of current search algorithms, based on a number of experiments on several test video sequences, is presented as well. The theoretical framework for a new fast search algorithm, Densely-Centered Uniform-P Search (DCUPS), is developed and presented in the book. The complexity of the DCUPS algorithm is comparable to other popular motion estimation techniques, however the algorithm shows superior results in terms of compression ratios and video qUality. We should stress out that these new results, presented in Chapters 4 and 5, have been developed by Joshua Greenberg, as part of his M.Sc. thesis entitled "Densely-Centered Uniform P-Search: A Fast Motion Estimation Algorithm" (FAU, 1996).
Author : Mohamed Mohamed Rehan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book New Efficient Block-based Motion Estimation Algorithms for Video Compression and Their Hardware Implementations written by Mohamed Mohamed Rehan and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. Tziritas
Publisher :
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.3/5 (91 download)
Download or read book Motion Analysis for Image Sequence Coding written by G. Tziritas and published by . This book was released on 1994 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the fourth in the book series, Advances in Image Communication, a series dedicated to exploring the rapidly evolving, multidisciplinary field of image communications. Each publication stands alone as a state-of-the-art reference work in its particular area of expertise. It also forms an integral part of the comprehensive overview of developments across the field, which the series offers as a whole. Motion Analysis for Image Sequence Coding documents the technical advances made through the years in dealing with motion in image sequences - from straightforward coarse approaches to complicated algorithms. It is timely because of the unprecedented effort which is made to establish a set of international standards for the digital compression of moving pictures and television signals. These standards rely heavily on motion estimation and compensation techniques and will be exploited on a large scale in multimedia applications as well as in intelligent systems. The book will be of prime importance, not only to active engineers and researchers in the field, but also by serving as a basic educational tool.
Author : Yun-Qing Shi
Publisher : CRC Press
ISBN 13 : 1420007262
Total Pages : 580 pages
Book Rating : 4.4/5 (2 download)
Download or read book Image and Video Compression for Multimedia Engineering written by Yun-Qing Shi and published by CRC Press. This book was released on 2017-12-19 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multimedia hardware still cannot accommodate the demand for large amounts of visual data. Without the generation of high-quality video bitstreams, limited hardware capabilities will continue to stifle the advancement of multimedia technologies. Thorough grounding in coding is needed so that applications such as MPEG-4 and JPEG 2000 may come to fruition. Image and Video Compression for Multimedia Engineering provides a solid, comprehensive understanding of the fundamentals and algorithms that lead to the creation of new methods for generating high quality video bit streams. The authors present a number of relevant advances along with international standards. New to the Second Edition · A chapter describing the recently developed video coding standard, MPEG-Part 10 Advances Video Coding also known as H.264 · Fundamental concepts and algorithms of JPEG2000 · Color systems of digital video · Up-to-date video coding standards and profiles Visual data, image, and video coding will continue to enable the creation of advanced hardware, suitable to the demands of new applications. Covering both image and video compression, this book yields a unique, self-contained reference for practitioners tobuild a basis for future study, research, and development.
Author : Fouad Sabry
Publisher : One Billion Knowledgeable
ISBN 13 :
Total Pages : 123 pages
Book Rating : 4.:/5 (661 download)
Download or read book Motion Estimation written by Fouad Sabry and published by One Billion Knowledgeable. This book was released on 2024-05-12 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: What is Motion Estimation In computer vision and image processing, motion estimation is the process of determining motion vectors that describe the transformation from one 2D image to another; usually from adjacent frames in a video sequence. It is an ill-posed problem as the motion happens in three dimensions (3D) but the images are a projection of the 3D scene onto a 2D plane. The motion vectors may relate to the whole image or specific parts, such as rectangular blocks, arbitrary shaped patches or even per pixel. The motion vectors may be represented by a translational model or many other models that can approximate the motion of a real video camera, such as rotation and translation in all three dimensions and zoom. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: Motion_estimation Chapter 2: Motion_compensation Chapter 3: Block-matching_algorithm Chapter 4: H.261 Chapter 5: H.262/MPEG-2_Part_2 Chapter 6: Advanced_Video_Coding Chapter 7: Global_motion_compensation Chapter 8: Block-matching_and_3D_filtering Chapter 9: Video_compression_picture_types Chapter 10: Video_super-resolution (II) Answering the public top questions about motion estimation. (III) Real world examples for the usage of motion estimation in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of Motion Estimation.
Download or read book New Efficient Block-based Motion Estimation Algorithms for Video Compression and Their Hardware Implementations written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Video compression technology aims at compressing large amount of video data for efficient transmission and storage without significant loss of quality. Most video compression techniques rely on removing temporal data redundancy between frames using motion estimation and motion compensation techniques which are generally very computationally expensive. The objective of the research done in this thesis is to develop new efficient motion estimation techniques that reduce the computational complexity of motion estimation. The thesis presents a new prediction technique referred to as weighted sum block matching (WSBM) which dynamically reduces the computational complexity by limiting the search to a small subset of the search area. Simulation results have shown that adding WSBM to some well-known search algorithms reduces their computational complexity by 6-1.5 without affecting the visual quality of the reconstructed video frames. The thesis also presents two new algorithms based on the simplex optimization method. the simplex based block matching algorithm (SMPLX) and the flexible triangle search (FTS). Both techniques use a triangle that moves inside the search area and checks only positions that lie at its vertices. As a result the computational complexity of the search is reduced since it depends directly on the number of positions checked. The techniques can change the size and orientation of the search triangle during the search. The changes make the search highly flexible and efficient and reduce the number of search positions to be checked compared to those in other search algorithms. The SMPLX uses equations based on the simplex optimization method to compute the new triangle size and orientation. The FTS, on the other hand, was implemented to be more suitable for a digital search grid by using look-up tables and integer computations. The two algorithms were implemented as part of the H.263 and H.264 encoders. Both algorithms were compared to the state of the a.
Author :
Publisher :
ISBN 13 :
Total Pages : 574 pages
Book Rating : 4.3/5 (91 download)
Download or read book Applications of Digital Image Processing written by and published by . This book was released on 2006 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yun-Qing Shi
Publisher : CRC Press
ISBN 13 : 1351578650
Total Pages : 636 pages
Book Rating : 4.3/5 (515 download)
Download or read book Image and Video Compression for Multimedia Engineering written by Yun-Qing Shi and published by CRC Press. This book was released on 2019-03-07 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest edition provides a comprehensive foundation for image and video compression. It covers HEVC/H.265 and future video coding activities, in addition to Internet Video Coding. The book features updated chapters and content, along with several new chapters and sections. It adheres to the current international standards, including the JPEG standard.
Author : Alan Chi Kit Ng
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (411 download)
Download or read book Prediction Techniques Used in Motion Estimation and Image Compression written by Alan Chi Kit Ng and published by . This book was released on 1998 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
