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Author : Sungdae Cho
Publisher :
ISBN 13 : 9780493919935
Total Pages : 149 pages
Book Rating : 4.9/5 (199 download)
Download or read book Error Resilient Video Compression and Transmission written by Sungdae Cho and published by . This book was released on 2002 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sungdae Cho
Publisher :
ISBN 13 :
Total Pages : 39 pages
Book Rating : 4.:/5 (115 download)
Download or read book Error Resilient Video Compression and Transmission Using 3 Dimensional Set Positioning in Hierarchical Trees Algorithm written by Sungdae Cho and published by . This book was released on 2000 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sudhakar Radhakrishnan
Publisher : IntechOpen
ISBN 13 : 9789533071770
Total Pages : 268 pages
Book Rating : 4.0/5 (717 download)
Download or read book Effective Video Coding for Multimedia Applications written by Sudhakar Radhakrishnan and published by IntechOpen. This book was released on 2011-04-26 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information has become one of the most valuable assets in the modern era. Within the last 5-10 years, the demand for multimedia applications has increased enormously. Like many other recent developments, the materialization of image and video encoding is due to the contribution from major areas like good network access, good amount of fast processors e.t.c. Many standardization procedures were carrried out for the development of image and video coding. The advancement of computer storage technology continues at a rapid pace as a means of reducing storage requirements of an image and video as most situation warrants. Thus, the science of digital video compression/coding has emerged. This storage capacity seems to be more impressive when it is realized that the intent is to deliver very high quality video to the end user with as few visible artifacts as possible. Current methods of video compression such as Moving Pictures Experts Group (MPEG) standard provide good performance in terms of retaining video quality while reducing the storage requirements. Many books are available for video coding fundamentals.This book is the research outcome of various Researchers and Professors who have contributed a might in this field. This book suits researchers doing their research in the area of video coding.The understanding of fundamentals of video coding is essential for the reader before reading this book. The book revolves around three different challenges namely (i) Coding strategies (coding efficiency and computational complexity), (ii) Video compression and (iii) Error resilience. The complete efficient video system depends upon source coding, proper inter and intra frame coding, emerging newer transform, quantization techniques and proper error concealment.The book gives the solution of all the challenges and is available in different sections.
Author : Ehsan Maani
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (18 download)
Download or read book Error Resilient Video Coding for Robust Transmission Over Mobile Networks written by Ehsan Maani and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Moyuresh Biswas
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.:/5 (472 download)
Download or read book A Rate-distortion Optimized Multiple Description Video Codec for Error Resilient Transmission written by Moyuresh Biswas and published by . This book was released on 2009 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for applications like transmission and sharing of video is ever-increasing. Although network resources (bandwidth in particular) and coverage, networking technologies, compression ratio of state-of-the-art video coders have improved, unreliability of the transmission medium prevents us from gaining the most benefit from these applications. This thesis introduces a video coder that is resilient to network failures for transmission applications by using the framework of multiple description coding (MDC). Unlike traditional video coding which compresses the video into single bitstream, in MDC the video is compressed into more than one bitstream which can be independently decoded. It not only averages out the effect of network errors over the bitstreams but it also makes it possible to utilize the multipath nature of most network topologies. An end-to-end rate-distortion optimization is proposed for the codec to make sure that the codec exhibits improved compression performance and that the descriptions are equally efficient to improve the final video quality. An optimized strategy for packetizing the compressed bitstreams of the descriptions is also proposed which guarantees that each packet is self-contained and efficient. The evaluation of the developed MD codec over simulated unreliable packet networks shows that it is possible to achieve improved resilience with the proposed strategies and the end video quality is significantly improved as a result. This is further verified with subjective evaluation over a range of different types of video test sequences.
Download or read book Efficient Transmission of Error Resilient H.264 Video Over Wireless Links written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of telecommunication technology, the need to transport multimedia content is increasing day by day. Successful video transmission over the wireless network faces a lot of challenges because of the limited resource and error prone nature of the wireless environment. To deal with these two challenges, not only the video needs to be compressed very efficiently but also the compression scheme needs to provide some error resilient features to deal with the high packet loss probability. In this thesis, we have worked with the H.264/ Advanced Video Coding (AVC) video compression standard since this is the most recent and most efficient video compression scheme. Also H.264 provides novel error resilient features e.g. slicing of the frame, Flexible Macroblock Ordering (FMO), data partitioning etc. In this thesis, we investigate how to utilize the error resilient schemes of H.264 to ensure a good quality picture at the receiving end. In the first part of the thesis, we find the optimum slice size that will enhance the quality of video transmission in a 3G environment. In the second part, we jointly optimize the data partitioning property and partial reliability extension property of the new transport layer protocol, Stream Control Transmission Protocol (SCTP). In the third and last part, we focus more on the network layer issues. We obtain the optimum point of application layer Forward Error Correction (FEC) and Medium Access Control (MAC) layer retransmission in a capacity constrained network. We assume that the bit rate assigned for the video application is more than the video bit rate so that the extra capacity available can be used for error correction.
Author : Lajos Hanzo
Publisher : John Wiley & Sons
ISBN 13 : 9780470519912
Total Pages : 702 pages
Book Rating : 4.5/5 (199 download)
Download or read book Video Compression and Communications written by Lajos Hanzo and published by John Wiley & Sons. This book was released on 2007-10-22 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of Wireless Video Communications five years ago, the area of video compression and wireless transceivers has evolved even further. This new edition addresses a range of recent developments in these areas, giving cognizance to the associated transmission aspects and issues of error resilience. Video Compression and Communications has been updated and condensed yet remains all-encompassing, giving a comprehensive overview of the subject. Covering compression issues, coding delay, implementational complexity and bitrate, the book also looks at the historical perspective to video communication. New edition of successful and informative text, Wireless Video Communications Substantial new material has been added on areas such as H.264, MPEG4 coding and transceivers Clear presentation and broad scope make it essential for anyone interested in wireless communications Systematically converts the lessons of Shannon's information theory into design principles applicable to practical wireless systems. This book is ideal for postgraduates and researchers in communication systems but will also be a valuable reference to undergraduates, development and systems engineers of video compression applications as well as industrialists, managers and visual communications practitioners.
Author : David Levine
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (11 download)
Download or read book Error Resilient Transmission of H.264 Compressed Video Using CABAC Entropy Coding written by David Levine and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aggelos Katsaggelos
Publisher : Springer Science & Business Media
ISBN 13 : 1475765142
Total Pages : 311 pages
Book Rating : 4.4/5 (757 download)
Download or read book Signal Recovery Techniques for Image and Video Compression and Transmission written by Aggelos Katsaggelos and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Signal Recovery Techniques for Image and Video Compression and Transmission establishes a bridge between the fields of signal recovery and image and video compression. Traditionally these fields have developed separately because the problems they examined were regarded as very different, and the techniques used appear unrelated. Recently, though, there is growing consent among the research community that the two fields are quite closely related. Indeed, in both fields the objective is to reconstruct the best possible signal from limited information. The field of signal recovery, which is relatively mature, has long been associated with a wealth of powerful mathematical techniques such as Bayesian estimation and the theory of projects onto convex sets (to name just two). This book illustrates for the first time in a complete volume how these techniques can be brought to bear on the very important problems of image and video compression and transmission. Signal Recovery Techniques for Image and Video Compression and Transmission, which is written by leading practitioners in both fields, is one of the first references that addresses this approach and serves as an excellent information source for both researchers and practicing engineers.
Author :
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.:/5 (437 download)
Download or read book Error-resilient Image and Video Transmission written by and published by . This book was released on 2000 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (921 download)
Download or read book Joint Source Channel Error-resilient Video Coding for Wireless Video Transmission written by and published by . This book was released on 2009 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Successful video communication over wireless channels is one of the most technically challenging problems in multimedia communications. The inherent vulnerability of compressed video to transmission errors and the time varying and fading environments of the wireless channel combined with network and application constrains presents some major technological issues that needs to be addressed. To improve the error resiliency and efficiency of transmitting video over wireless channels. Several techniques are developed that contribute to better utilize the error resilient features available in H.264 and propose enhancements to the frame layer rate control. Firstly, new techniques on how to use explicit Flexible Macroblock Ordering (FMO) more effectively in wireless video ransmission by using combined spatial and temporal indicators of macroblock (MB) importance to generate slice group maps for H.264. Secondly, an improved sorting algorithm that classifies macroblocks into different slice groups for FMO in H.264 that further improves the use of explicit FMO. Thirdly, enhancements to the H.264 frame layer rate control is proposed, that takes into consideration the effects of using FMO for video transmission, to better manage bit allocation and improve coding efficiency. We propose a new header bits model, an enhanced frame complexity measure, a bit allocation and a quantization parameter (QP) adjustment scheme. Lastly, a framework for adaptive FMO selection scheme based on feedback information is presented. In summary, in this dissertation we propose the framework of using explicit FMO, rate control and feedback information for wireless video transmission. Experimental results show that the proposed techniques are effective in improving the video quality especially for complex video sequences and at low-bit rates.
Author : Chang Wen Chen
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.:/5 (452 download)
Download or read book Error-resilient Image and Video Transmission written by Chang Wen Chen and published by . This book was released on 2000 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Abdul H. Sadka
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.3/5 (91 download)
Download or read book Compressed Video Communications written by Abdul H. Sadka and published by John Wiley & Sons. This book was released on 2002 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The compression schemes applied for the storage and transmission of digital video data leave content sensitive to transmission errors, information loss and quality degradation. Recent developments in error resilience techniques allow improved quality of service of video communication over a range of network platforms. Digital video communications, supported by the Internet, ATM networks and Broadband ISDN, have undergone significant development over the past few years. Emerging applications include videoconferencing, tele-medicine and distance learning. This leading edge text addresses the problems associated with the delivery and design of video communication services. * Presents a comprehensive overview of the principles and techniques employed in the improvement of the performance of video codecs in error prone environments * Provides a performance evaluation and comparison of video coding standards, MPEG-4, H.261 and H.263 * Outlines methods of video communication over mobile networks * Provides guidance on quality enhancement and the meeting Quality of Service (QoS) requirements for digital video communications * Accompanying CD-ROM containing video clips to illustrate the coding and error resilience technology described within the text A valuable resource for researchers and postgraduate students working with video communication technology, as well as practising electronic and communications engineers designing and implementing video communication systems and consultants working in the video, television, computing and communications industries.
Author : Wei-Ying Kung
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.:/5 (614 download)
Download or read book Error Resilient Techniques for Robust Video Transmission written by Wei-Ying Kung and published by . This book was released on 2004 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rogelio Hasimoto-Beltran
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.:/5 (477 download)
Download or read book Error Resilient Framework for Image and Video Transmission Over Packet Switch Networks written by Rogelio Hasimoto-Beltran and published by . This book was released on 2001 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (946 download)
Download or read book Video Compression Algorithms for Transmission and Video written by and published by . This book was released on 1997 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past year, we have continued our efforts in image and video compression. We developed a real time software only scalable video compression codec. We have also optimized the scalable coder for transmission over wireless links by jointly optimizing the channel and source coders. We also have developed a video retrieval algorithm using motion, size, and color. We constrained the algorithm to be able to retrieve video in real time and only using information available in compressed bit-streams. In the are of video compression, we continued improving video coding using matching pursuits. We improved the coding efficiency performance by more than 1 dB for many of MPEG-4 test sequences. We have worked on reducing the complexity of the encoder and developed a real time software only low bit rate encoder. We also addressed the error resilience issue and developed a more error resilient matching pursuit video codec that performs as well as original coder, if not better.
Author : Te-Chung Yang
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (457 download)
Download or read book Robust Image/video Transmission with Efficient Error Resilient Codecs written by Te-Chung Yang and published by . This book was released on 1999 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
