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Tesi sul tema "Image coding standard"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 2 febbraio 2022

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1

Pao, I.-Ming. "Improved standard-conforming video coding techniques /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/5936.

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2

Yeung, Yick Ming. "Fast rate control for JPEG2000 image coding /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202003%20YEUNG.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 63-65). Also available in electronic version. Access restricted to campus users.

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3

Xin, Jun. "Improved standard-conforming video transcoding techniques /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/5871.

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4

Giakoumakis, Michail D. "Refinements in a DCT based non-uniform embedding watermarking scheme." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FGiakoumakis.pdf.

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Thesis (M.S. in Applied Math and M.S. in Systems Engineering)--Naval Postgraduate School, March 2003.<br>Thesis advisor(s): Roberto Cristi, Ron Pieper, Craig Rasmussen. Includes bibliographical references (p. 119-121). Also available online.

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5

Kamaras, Konstantinos. "JPEG2000 image compression and error resilience for transmission over wireless channels." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://sirsi.nps.navy.mil/uhtbin/hyperion-image/02Mar%5FKamaras.pdf.

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6

Thorpe, Christopher. "Compression aided feature based steganalysis of perturbed quantization steganography in JPEG images." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 114 p, 2008. http://proquest.umi.com/pqdweb?did=1459914021&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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7

Gupta, Amit Kumar Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Hardware optimization of JPEG2000." Awarded by:University of New South Wales. School of Electrical Engineering and Telecommunications, 2006. http://handle.unsw.edu.au/1959.4/30581.

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The Key algorithms of JPEG2000, the new image compression standard, have high computational complexity and thus present challenges for efficient implementation. This has led to research on the hardware optimization of JPEG2000 for its efficient realization. Luckily, in the last century the growth in Microelectronics allows us to realize dedicated ASIC solutions as well as hardware/software FPGA based solutions for complex algorithms such as JPEG2000. But an efficient implementation within hard constraints of area and throughput, demands investigations of key dependencies within the JPEG2000 sy

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8

Abraham, Arun S. "Bandwidth-aware video transmission with adaptive image scaling." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0001221.

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9

Gatica, Perez Daniel. "Extensive operators in lattices of partitions for digital video analysis /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/5874.

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10

Uehara, Takeyuki. "Contributions to image encryption and authentication." Access electronically, 2003. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20040920.124409/index.html.

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11

Dyer, Michael Ian Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Hardware Implementation Techniques for JPEG2000." Awarded by:University of New South Wales. Electrical Engineering and Telecommunications, 2007. http://handle.unsw.edu.au/1959.4/30510.

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JPEG2000 is a recently standardized image compression system that provides substantial improvements over the existing JPEG compression scheme. This improvement in performance comes with an associated cost in increased implementation complexity, such that a purely software implementation is inefficient. This work identifies the arithmetic coder as a bottleneck in efficient hardware implementations, and explores various design options to improve arithmetic coder speed and size. The designs produced improve the critical path of the existing arithmetic coder designs, and then extend the coder thro

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12

Meng, Bojun. "Efficient intra prediction algorithm in H.264 /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202003%20MENG.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 66-68). Also available in electronic version. Access restricted to campus users.

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13

Frandina, Peter. "VHDL modeling and synthesis of the JPEG-XR inverse transform /." Online version of thesis, 2009. http://hdl.handle.net/1850/10755.

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14

Lin, Li-Yang. "VLSI implementation for MPEG-1/Audio Layer III chip : bitstream processor - low power design /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18396.pdf.

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15

Nolte, Ernst Hendrik. "Image compression quality measurement : a comparison of the performance of JPEG and fractal compression on satellite images." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51796.

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Thesis (MEng)--Stellenbosch University, 2000.<br>ENGLISH ABSTRACT: The purpose of this thesis is to investigate the nature of digital image compression and the calculation of the quality of the compressed images. The work is focused on greyscale images in the domain of satellite images and aerial photographs. Two compression techniques are studied in detail namely the JPEG and fractal compression methods. Implementations of both these techniques are then applied to a set of test images. The rest of this thesis is dedicated to investigating the measurement of the loss of quality that was

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16

Shao, Wenbin. "Automatic annotation of digital photos." Access electronically, 2007. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20080403.120857/index.html.

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17

Muller, Rikus. "Applying the MDCT to image compression." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1197.

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Thesis (DSc (Mathematical Sciences. Applied Mathematics))--University of Stellenbosch, 2009.<br>The replacement of the standard discrete cosine transform (DCT) of JPEG with the windowed modifed DCT (MDCT) is investigated to determine whether improvements in numerical quality can be achieved. To this end, we employ an existing algorithm for optimal quantisation, for which we also propose improvements. This involves the modelling and prediction of quantisation tables to initialise the algorithm, a strategy that is also thoroughly tested. Furthermore, the effects of various window functions

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18

Natu, Ambarish Shrikrishna Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Error resilience in JPEG2000." Awarded by:University of New South Wales. Electrical Engineering and Telecommunications, 2003. http://handle.unsw.edu.au/1959.4/18835.

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The rapid growth of wireless communication and widespread access to information has resulted in a strong demand for robust transmission of compressed images over wireless channels. The challenge of robust transmission is to protect the compressed image data against loss, in such a way as to maximize the received image quality. This thesis addresses this problem and provides an investigation of a forward error correction (FEC) technique that has been evaluated in the context of the emerging JPEG2000 standard. Not much effort has been made in the JPEG2000 project regarding error resilience. Th

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19

Choi, Kai-san. "Automatic source camera identification by lens aberration and JPEG compression statistics." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B38902345.

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20

Choi, Kai-san, and 蔡啟新. "Automatic source camera identification by lens aberration and JPEG compression statistics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B38902345.

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21

Muller, Rikus. "A study of image compression techniques, with specific focus on weighted finite automata." Thesis, Link to the online version, 2005. http://hdl.handle.net/10019/1128.

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22

Shah, Syed Irtiza Ali. "Single camera based vision systems for ground and; aerial robots." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37143.

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Efficient and effective vision systems are proposed in this work for object detection for ground&aerial robots venturing into unknown environments with minimum vision aids, i.e. a single camera. The first problem attempted is that of object search and identification in a situation similar to a disaster site. Based on image analysis, typical pixel-based characteristics of a visual marker have been established to search for, using a block based search algorithm, along with a noise and interference filter. The proposed algorithm has been successfully utilized for the International Aerial Robotics

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23

Jamrozik, Michele Lynn. "Spatio-temporal segmentation in the compressed domain." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/15681.

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24

Chien, Chi-Hao. "A comparison study of the implementation of digital camera's RAW and JPEG and scanner's TIFF file formats, and color management procedures for inkjet textile printing applications /." Online version of thesis, 2009. http://hdl.handle.net/1850/10886.

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25

Kailasanathan, Chandrapal. "Securing digital images." Access electronically, 2003. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20041026.150935/index.html.

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26

Samuel, Sindhu. "Digital rights management (DRM) : watermark encoding scheme for JPEG images." Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-09122008-182920/.

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27

Kang, James M. "A query engine of novelty in video streams /." Link to online version, 2005. https://ritdml.rit.edu/dspace/handle/1850/977.

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28

Pevný, Tomáš. "Kernel methods in steganalysis." Diss., Online access via UMI:, 2008.

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29

Lucero, Aldo. "Compressing scientific data with control and minimization of the L-infinity metric under the JPEG 2000 framework." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2007. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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30

Zitzmann, Cathel. "Détection statistique d'information cachée dans des images naturelles." Thesis, Troyes, 2013. http://www.theses.fr/2013TROY0012/document.

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La nécessité de communiquer de façon sécurisée n’est pas chose nouvelle : depuis l’antiquité des méthodes existent afin de dissimuler une communication. La cryptographie a permis de rendre un message inintelligible en le chiffrant, la stéganographie quant à elle permet de dissimuler le fait même qu’un message est échangé. Cette thèse s’inscrit dans le cadre du projet "Recherche d’Informations Cachées" financé par l’Agence Nationale de la Recherche, l’Université de Technologie de Troyes a travaillé sur la modélisation mathématique d’une image naturelle et à la mise en place de détecteurs d’info

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31

Beltrão, Gabriel Tedgue. "Rápida predição da direção do bloco para aplicação com transformadas direcionais." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/260075.

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Orientadores: Yuzo Iano, Rangel Arthur<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação<br>Made available in DSpace on 2018-08-21T22:39:06Z (GMT). No. of bitstreams: 1 Beltrao_GabrielTedgue_M.pdf: 7074938 bytes, checksum: 0a2d464733f2fb5dcc14430cc1844758 (MD5) Previous issue date: 2012<br>Resumo: As transformadas derivadas da DCT são amplamente utilizadas para compressão de vídeo. Recentemente, muitos autores têm destacado que os resíduos de predição normalmente apresentam estruturas direcionais que não podem ser eficientemente r

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32

Zhou, Zhi. "Standards conforming video coding optimization /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/5984.

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33

Zhang, Kui. "Knowledge based image sequence compression." Thesis, University of Surrey, 1998. http://epubs.surrey.ac.uk/843195/.

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In this thesis, most commonly encountered video compression techniques and international coding standards are studied. The study leads to the idea of a reconfigurable codec which can adapt itself to the specific requirements of diverse applications so as to achieve improved performance. Firstly, we propose a multiple layer affine motion compensated codec which acts as a basic building block of the reconfigurable multiple tool video codec. A detailed investigation of the properties of the proposed codec is carried out. The experimental results reveal that the gain in coding efficiency from impr

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34

Araujo, André Filgueiras de. "Uma proposta de estimação de movimento para o codificador de vídeo Dirac." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261689.

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Orientador: Yuzo Iano<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação<br>Made available in DSpace on 2018-08-16T03:46:01Z (GMT). No. of bitstreams: 1 Araujo_AndreFilgueirasde_M.pdf: 3583920 bytes, checksum: afbfc9cf561651fe74a6a3d075474fc8 (MD5) Previous issue date: 2010<br>Resumo: Este trabalho tem como objetivo principal a elaboração de um novo algoritmo responsável por tornar mais eficiente a estimação de movimento do codec Dirac. A estimação de movimento é uma etapa crítica à codificação de vídeo, na qual se encontra a maior

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35

Almeida, Junior Jurandy Gomes de 1983. "Recuperação de vídeos comprimidos por conteúdo." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/275706.

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Orientador: Ricardo da Silva Torres<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-19T18:14:01Z (GMT). No. of bitstreams: 1 AlmeidaJunior_JurandyGomesde_D.pdf: 7003455 bytes, checksum: 9f2b66a600d6b6ae595b02265ceb1585 (MD5) Previous issue date: 2011<br>Resumo: Avanços recentes na tecnologia têm permitido o aumento da disponibilidade de dados de vídeo, criando grandes coleções de vídeo digital. Isso tem despertado grande interesse em sistemas capazes de gerenciar esses dados de forma eficiente. Fazer uso eficiente de inf

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36

Silva, Cauane Blumenberg. "Adaptive tiling algorithm based on highly correlated picture regions for the HEVC standard." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/96040.

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Esta dissertação de mestrado propõe um algoritmo adaptativo que é capaz de dinamicamente definir partições tile para quadros intra- e inter-preditos com o objetivo de reduzir o impacto na eficiência de codificação. Tiles são novas ferramentas orientadas ao paralelismo que integram o padrão de codificação de vídeos de alta eficiência (HEVC – High Efficiency Video Coding standard), as quais dividem o quadro em regiões retangulares independentes que podem ser processadas paralelamente. Para viabilizar o paralelismo, os tiles quebram as dependências de codificação através de suas bordas, gerando i

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37

Nalluri, Purnachand. "A fast motion estimation algorithm and its VLSI architecture for high efficiency video coding." Doctoral thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/15442.

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Doutoramento em Engenharia Eletrotécnica<br>Video coding has been used in applications like video surveillance, video conferencing, video streaming, video broadcasting and video storage. In a typical video coding standard, many algorithms are combined to compress a video. However, one of those algorithms, the motion estimation is the most complex task. Hence, it is necessary to implement this task in real time by using appropriate VLSI architectures. This thesis proposes a new fast motion estimation algorithm and its implementation in real time. The results show that the proposed algori

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38

"Object-based scalable wavelet image and video coding." Thesis, 2008. http://library.cuhk.edu.hk/record=b6074669.

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The first part of this thesis studies advanced wavelet transform techniques for scalable still image object coding. In order to adapt to the content of a given signal and obtain more flexible adaptive representation, two advanced wavelet transform techniques, wavelet packet transform and directional wavelet transform, are developed for object-based image coding. Extensive experiments demonstrate that the new wavelet image coding systems perform comparable to or better than state-of-the-art in image compression while possessing some attractive features such as object-based coding functionality

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39

"Error-resilient coding tools in MPEG-4." 1998. http://library.cuhk.edu.hk/record=b5889563.

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by Cheng Shu Ling.<br>Thesis submitted in: July 1997.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1998.<br>Includes bibliographical references (leaves 70-71).<br>Abstract also in Chinese.<br>Chapter Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Image Coding Standard: JPEG --- p.1<br>Chapter 1.2 --- Video Coding Standard: MPEG --- p.6<br>Chapter 1.2.1 --- MPEG history --- p.6<br>Chapter 1.2.2 --- MPEG video compression algorithm overview --- p.8<br>Chapter 1.2.3 --- More MPEG features --- p.10<br>Chapter 1.3 --- Summary --- p.17<br>Chapter Chapter 2 --- Error Resiliency

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40

"Model- and image-based scene representation." 1999. http://library.cuhk.edu.hk/record=b5889926.

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Lee Kam Sum.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1999.<br>Includes bibliographical references (leaves 97-101).<br>Abstracts in English and Chinese.<br>Chapter 1 --- Introduction --- p.2<br>Chapter 1.1 --- Video representation using panorama mosaic and 3D face model --- p.2<br>Chapter 1.2 --- Mosaic-based Video Representation --- p.3<br>Chapter 1.3 --- "3D Human Face modeling ," --- p.7<br>Chapter 2 --- Background --- p.13<br>Chapter 2.1 --- Video Representation using Mosaic Image --- p.13<br>Chapter 2.1.1 --- Traditional Video Compression --- p.17<br>Chapter 2.2 --- 3D

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41

"The effects of evaluation and rotation on descriptors and similarity measures for a single class of image objects." Thesis, 2008. http://hdl.handle.net/10210/564.

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“A picture is worth a thousand words”. If this proverb were taken literally we all know that every person interprets images or photos differently in terms of its content. This is due to the semantics contained in these images. Content-based image retrieval has become a vast area of research in order to successfully describe and retrieve images according to the content. In military applications, intelligence images such as those obtained by the defence intelligence group are taken (mostly on film), developed and then manually annotated thereafter. These photos are then stored in a filing system

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42

Amiri, Delaram. "Bilateral and adaptive loop filter implementations in 3D-high efficiency video coding standard." Thesis, 2015. http://hdl.handle.net/1805/7983.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>In this thesis, we describe a different implementation for in loop filtering method for 3D-HEVC. First we propose the use of adaptive loop filtering (ALF) technique for 3D-HEVC standard in-loop filtering. This filter uses Wiener–based method to minimize the Mean Squared Error between filtered pixel and original pixels. The performance of adaptive loop filter in picture based level is evaluated. Results show up to of 0.2 dB PSNR improvement in Luminance component for the texture and 2.1 dB for the depth. In addition, we obtain up to 0

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43

"Novel error resilient techniques for the robust transport of MPEG-4 video over error-prone networks." 2004. http://library.cuhk.edu.hk/record=b6073624.

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Bo Yan.<br>"May 2004."<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 2004.<br>Includes bibliographical references (p. 117-131).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Mode of access: World Wide Web.<br>Abstracts in English and Chinese.

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"Multiplexing video traffic using frame-skipping aggregation technique." 1998. http://library.cuhk.edu.hk/record=b5889564.

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by Alan Yeung.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1998.<br>Includes bibliographical references (leaves 53-[56]).<br>Abstract also in Chinese.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 2 --- MPEG Overview --- p.5<br>Chapter 3 --- Framework of Frame-Skipping Lossy Aggregation --- p.10<br>Chapter 3.1 --- Video Frames Delivery using Round-Robin Scheduling --- p.10<br>Chapter 3.2 --- Underflow Safety Margin on Receiver Buffers --- p.12<br>Chapter 3.3 --- Algorithm in Frame-Skipping Aggregation Controller --- p.13<br>Chapter 4 --- Replacement of Skipped Frames in MPEG

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45

Sevcenco, Ana-Maria. "Adaptive strategies and optimization techniques for JPEG-based low bit-rate image coding." Thesis, 2007. http://hdl.handle.net/1828/2282.

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The field of digital image compression has been intensively explored to obtain ever improved performance corresponding to a given bit budget. The DCT-based JPEG standard remains to be one of the most popular image compression standards due to its reasonable coding performance, fast implementations, friendly low-cost architecture. flexibility and adaptivity on block level. In this thesis, we consider the problem of low bit-rate image coding and present new approaches using adaptive strategies and optimization techniques for performance enhancement, while employing the DCT block-based JPEG stan

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46

Natu, Ambarish Shrikrishna. "Error resilience in JPEG2000 /." 2003. http://www.library.unsw.edu.au/~thesis/adt-NUN/public/adt-NUN20030519.163058/index.html.

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47

Kesireddy, Akitha. "A new adaptive trilateral filter for in-loop filtering." Thesis, 2014. http://hdl.handle.net/1805/5927.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>HEVC has achieved significant coding efficiency improvement beyond existing video coding standard by employing many new coding tools. Deblocking Filter, Sample Adaptive Offset and Adaptive Loop Filter for in-loop filtering are currently introduced for the HEVC standardization. However these filters are implemented in spatial domain despite the fact of temporal correlation within video sequences. To reduce the artifacts and better align object boundaries in video , a new algorithm in in-loop filtering is proposed. The proposed algori

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48

"Arbitrary block-size transform video coding." Thesis, 2011. http://library.cuhk.edu.hk/record=b6075117.

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Besides ABT with higher order transform, a transform based template matching is also investigated. A fast method of template matching, called Fast Walsh Search, is developed. This search method has similar accuracy as exhaustive search but significantly lower computation requirement.<br>In this thesis, the development of simple but efficient order-16 transforms will be shown. Analysis and comparison with existing order-16 transforms have been carried out. The proposed order-16 transforms were integrated to the existing coding standard reference software individually so as to achieve a new ABT

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49

Ya-WenChao and 趙雅雯. "Improved Image Resampling Filters for Spatial Scalable Video Coding Standards." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/86307557163892127402.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>98<br>This thesis proposes a downsampling filter and an upsampling filter for spatial scalable video coding. The bilateral filter and adaptive filter length concepts are used in downsampling filter to reduce the loss of edge information in images. By smoothing the homogeneous area and preserving the details in the non-homogeneous area of images, the coding bits are reduced in the base layer coding. At the same time, the edge-preserving property in the base layer also provides a better prediction to save the coding bits in the enhancement layer. For upsampling filt

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50

"Analysis, coding, and processing for high-definition videos." Thesis, 2010. http://library.cuhk.edu.hk/record=b6074847.

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Abstract (sommario):

Firstly, the characteristics of HD videos are studied quantitatively. The results show that HD videos distinguish from other lower resolution videos by higher spatial correlation and special power spectral density (PSD), mainly distributed along the vertical and horizontal directions.<br>Secondly, two techniques for HD video coding are developed based on the aforementioned analysis results. To exploit the spatial property, 2D order-16 transforms are proposed to code the higher correlated signals more efficiently. Specially, two series of 2D order-16 integer transforms, named modified integer c

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