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Fast Motion Estimation Algorithms For Video Coding
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Book Synopsis Motion Estimation Algorithms for Video Compression by : Borko Furht
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).
Book Synopsis Fast Motion Estimation Algorithms for Video Coding by : Shan Zhu
Download or read book Fast Motion Estimation Algorithms for Video Coding written by Shan Zhu and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Motion Estimation Techniques for Digital Video Coding by : Shilpa Metkar
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.
Book Synopsis Development of Fast Motion Estimation Algorithms for Video Comression by :
Download or read book Development of Fast Motion Estimation Algorithms for Video Comression written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the increasing popularity of technologies such as Internet streaming video and video conferencing, video compression has became an essential component of broadcast and entertainment media. Motion Estimation (ME) and compensation techniques, which can eliminate temporal redundancy between adjacent frames effectively, have been widely applied to popular video compression coding standards such as MPEG-2, MPEG-4. Traditional fast block matching algorithms are easily trapped into the local minima resulting in degradation on video quality to some extent after decoding. Since Evolutionary Computing Techniques are suitable for achieving global optimal solution, these techniques are introduced to do Motion Estimation procedure in this thesis. Zero Motion prejudgement is also included which aims at finding static macroblocks (MB) which do not need to perform remaining search thus reduces the computational cost. Simulation results obtained show that the proposed Clonal Particle Swarm Optimization algorithm given a very good improvement in reducing the computations overhead and achieves very good Peak Signal to Noise Ratio (PSNR) values, which makes the techniques more efficient than the conventional searching algorithms. To reduce the Motion vector overhead in Bidirectional frame prediction, in this thesis novel Bidirectional Motion Estimation algorithm based on PSO is also proposed and results shows that the proposed method can significantly reduces the computational complexity involved in the Bidirectional frame prediction and also least prediction error in all video sequences.
Book Synopsis Algorithms, Complexity Analysis and VLSI Architectures for MPEG-4 Motion Estimation by : Peter M. Kuhn
Download or read book Algorithms, Complexity Analysis and VLSI Architectures for MPEG-4 Motion Estimation written by Peter M. Kuhn and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: MPEG-4 is the multimedia standard for combining interactivity, natural and synthetic digital video, audio and computer-graphics. Typical applications are: internet, video conferencing, mobile videophones, multimedia cooperative work, teleteaching and games. With MPEG-4 the next step from block-based video (ISO/IEC MPEG-1, MPEG-2, CCITT H.261, ITU-T H.263) to arbitrarily-shaped visual objects is taken. This significant step demands a new methodology for system analysis and design to meet the considerably higher flexibility of MPEG-4. Motion estimation is a central part of MPEG-1/2/4 and H.261/H.263 video compression standards and has attracted much attention in research and industry, for the following reasons: it is computationally the most demanding algorithm of a video encoder (about 60-80% of the total computation time), it has a high impact on the visual quality of a video encoder, and it is not standardized, thus being open to competition. Algorithms, Complexity Analysis, and VLSI Architectures for MPEG-4 Motion Estimation covers in detail every single step in the design of a MPEG-1/2/4 or H.261/H.263 compliant video encoder: Fast motion estimation algorithms Complexity analysis tools Detailed complexity analysis of a software implementation of MPEG-4 video Complexity and visual quality analysis of fast motion estimation algorithms within MPEG-4 Design space on motion estimation VLSI architectures Detailed VLSI design examples of (1) a high throughput and (2) a low-power MPEG-4 motion estimator. Algorithms, Complexity Analysis and VLSI Architectures for MPEG-4 Motion Estimation is an important introduction to numerous algorithmic, architectural and system design aspects of the multimedia standard MPEG-4. As such, all researchers, students and practitioners working in image processing, video coding or system and VLSI design will find this book of interest.
Book Synopsis Motion Estimation for Video Coding by : Indrajit Chakrabarti
Download or read book Motion Estimation for Video Coding written by Indrajit Chakrabarti and published by Springer. This book was released on 2015-01-13 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need of video compression in the modern age of visual communication cannot be over-emphasized. This monograph will provide useful information to the postgraduate students and researchers who wish to work in the domain of VLSI design for video processing applications. In this book, one can find an in-depth discussion of several motion estimation algorithms and their VLSI implementation as conceived and developed by the authors. It records an account of research done involving fast three step search, successive elimination, one-bit transformation and its effective combination with diamond search and dynamic pixel truncation techniques. Two appendices provide a number of instances of proof of concept through Matlab and Verilog program segments. In this aspect, the book can be considered as first of its kind. The architectures have been developed with an eye to their applicability in everyday low-power handheld appliances including video camcorders and smartphones.
Book Synopsis Fast Motion Estimation Algorithms for Block-Based Video Coding Encoders by : Abdelrahman Abdelazim
Download or read book Fast Motion Estimation Algorithms for Block-Based Video Coding Encoders written by Abdelrahman Abdelazim and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of my research is reducing the complexity of video coding standards in real-time scalable and multi-view applications.
Book Synopsis Fast Motion Estimation Algorithms for Video Encoding and Deinterlacing by : Renxiang Li
Download or read book Fast Motion Estimation Algorithms for Video Encoding and Deinterlacing written by Renxiang Li and published by . This book was released on 1999 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Real-Time Video Compression by : Raymond Westwater
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.
Book Synopsis Block Matching Algorithm for Video Coding by : Mohamed Ghoneim
Download or read book Block Matching Algorithm for Video Coding written by Mohamed Ghoneim and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motion estimation is a key issue in the field of moving images analysis. In the framework of video coding, it is combined with motion compensation in order to exploit the spatio temporal correlation of image sequences along the motion trajectory. It then achieves one of the most important compression factors of a video coder. By dividing each frame into rectangular blocks, motion vectors are obtained via the block matching algorithms (BMA). The full search algorithm (FS) is a brute force BMA. It searches all possible locations inside the search window in the reference frame to provide an optimal solution. However, its high computational complexity makes it often not suitable for real-time implementation. Many fast but sub-optimal algorithms are introduced to improve the performance of video coders. The present book analyses three prospects of improving the quality of existing video coding schemes. Namely, one at a time optimization, adaptive search stagey and feature domain based criteria.
Book Synopsis Search Pattern Analysis and Partial Distortion Measurement for Fast Motion Estimation Algorithms in Video Coding by : Chun-ho Cheung
Download or read book Search Pattern Analysis and Partial Distortion Measurement for Fast Motion Estimation Algorithms in Video Coding written by Chun-ho Cheung and published by . This book was released on 2002 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Implementation of Fast Motion Estimation in Modern Video Compression on GPU by : Zhaohua Yi
Download or read book Design and Implementation of Fast Motion Estimation in Modern Video Compression on GPU written by Zhaohua Yi and published by . This book was released on with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motion estimation is the most compute expensive part of high definition video compression. It accounts for more than 50\% of overall execution. Therefore, improving the performance of motion estimation can make significant impact on the overall performance of video compression. The performance of motion estimation can be improved in two aspects: algorithm and implementation. This thesis touches both aspects. We first propose an innovative motion estimation algorithm by replacing the traditional block matching method which comparing blocks pixel by pixel with a brand new method which based on LBP (Local Binary Pattern) code. Our new method first encodes the original video frames into LBP code and then compares the blocks only using the LBP code. Our algorithm reduces the amount of computation significantly by avoiding many pixel by pixel comparisons present in traditional block matching approaches. Using public benchmarks our experiments show our proposed motion estimation algorithm runs 5 times faster than a traditional algorithm. Furthermore, we accelerate our proposed algorithm on GPUs. Motion estimation processes of all blocks are offloaded to GPU and accelerated in parallel. Our GPU implementation runs 9 times faster than CPU implementation
Book Synopsis Fast Motion Estimation Algorithm and Design for Real Time QFHD High Efficiency Video Coding by : Tian-Sheuan Chang
Download or read book Fast Motion Estimation Algorithm and Design for Real Time QFHD High Efficiency Video Coding written by Tian-Sheuan Chang and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Conference on Intelligent Data Communication Technologies and Internet of Things (ICICI) 2018 by : Jude Hemanth
Download or read book International Conference on Intelligent Data Communication Technologies and Internet of Things (ICICI) 2018 written by Jude Hemanth and published by Springer. This book was released on 2018-12-20 with total page 1590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses data communication and computer networking, communication technologies and the applications of IoT (Internet of Things), big data, cloud computing and healthcare informatics. It explores, examines and critiques intelligent data communications and presents inventive methodologies in communication technologies and IoT. Aimed at researchers and academicians who need to understand the importance of data communication and advanced technologies in IoT, it offers different perspectives to help readers increase their knowledge and motivates them to conduct research in the area, highlighting various innovative ideas for future research.
Book Synopsis Applications of Fast Low-distortion Motion Estimation Algorithms in Video Coding by : Chi Wang Ting
Download or read book Applications of Fast Low-distortion Motion Estimation Algorithms in Video Coding written by Chi Wang Ting and published by . This book was released on 2005 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple Reference Motion Compensation by : Athanasios Leontaris
Download or read book Multiple Reference Motion Compensation written by Athanasios Leontaris and published by Now Publishers Inc. This book was released on 2009 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motion compensation exploits temporal correlation in a video sequence to yield high compression efficiency. Multiple reference frame motion compensation is an extension of motion compensation that exploits temporal correlation over a longer time scale. Devised mainly for increasing compression efficiency, it exhibits useful properties such as enhanced error resilience and error concealment. Multiple Reference Motion Compensation: A Tutorial Introduction and Survey explores different aspects of multiple reference frame motion compensation, including multihypothesis prediction, global motion prediction, improved error resilience and concealment for multiple references, and algorithms for fast motion estimation in the context of multiple reference frame video encoders
Book Synopsis Fast Motion Estimation Techniques and Algorithms for H.264/AVC Video Compression by : Man-yau Chiu
Download or read book Fast Motion Estimation Techniques and Algorithms for H.264/AVC Video Compression written by Man-yau Chiu and published by . This book was released on 2011 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
