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Dissertations / Theses on the topic 'Video Compression Standard H.264'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Zheng, Hao. "Analysis of H.264-based Vclan implementation /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1422980.

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2

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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3

Wu, Yannan. "Artifact reduction for AVS and H.264 coded videos /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?ECED%202009%20WUY.

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Lam, Sui Yuk. "Complexity optimization in H.264 and scalable extension /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?ECED%202008%20LAM.

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Chang, Andy. "Fast multi-frame and multi-block selection for H.264 video coding standard /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202003%20CHANG.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 57-58). Also available in electronic version. Access restricted to campus users.

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6

Silva, Leandro Max de Lima. "Implementação física de arquiteturas de hardware para a decodificação de vídeo digital segundo o padrão H.264/AVC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/27655.

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Recentemente, o Brasil adotou o padrão SBTVD (Sistema Brasileiro de TV Digital) para transmissão de TV digital. Este utiliza o CODEC (codificador e decodificador) de vídeo H.264/AVC, que é considerado o estado-da-arte no contexto de compressão de vídeo digital. Esta transição para o SBTVD requer o desenvolvimento de tecnologia para transmissão, recepção e decodificação de sinais, assim, o projeto Rede H.264 SBTVD foi iniciado e tem como um dos objetivos a produção de componentes de hardware para construção de um set-top box SoC (System on Chip) compatível com o SBTVD. No sentido de produzir IP

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7

Depra, Dieison Antonello. "Algoritmos e desenvolvimento de arquitetura para codificação binária adaptativa ao contexto para o decodificador H.264/AVC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/26505.

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As inovações tecnológicas têm propiciado transformações nas formas de interação e, principalmente, na comunicação entre as pessoas. Os avanços nas áreas de tecnologia da informação e comunicações abriram novos horizontes para a criação de demandas até então não existentes. Nesse contexto, a utilização de vídeo digital de alta definição para aplicações de tempo real ganha ênfase. Entretanto, os desafios envolvidos na manipulação da quantidade de informações necessárias à sua representação, fomentam pesquisas na indústria e na academia para minimizar os impactos sobre a largura de banda necessár

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8

Ernst, Eric Gerard. "Architecture design of a scalable adaptive deblocking filter for H.264/AVC /." Online version of thesis, 2007. http://hdl.handle.net/1850/5390.

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Staehler, Wagston Tassoni. "Projeto de sistemas digitais complexos : uma aplicação ao decodificador H.264." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/8823.

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A evolução dos processos de fabricação de circuitos microeletrônicos coloca um número cada vez maior de dispositivos à disposição do projetista de circuitos integrados. Mais e mais funcionalidades são adicionadas aos equipamentos eletrônicos com um aumento correspondente no esforço de projeto. Aplicações de multimídia e comunicação digital, por exemplo, são muito populares e integram funções cada vez mais complexas. As janelas de mercado diminuem com a grande competição por novos produtos. Este cenário desafia os projetistas: são necessárias novas metodologias. Para aumentar a produtividade de

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10

Baaklini, Elias Michel. "Optimisation des applications multimédia sur des processeurs multicœurs embarqués." Thesis, Valenciennes, 2014. http://www.theses.fr/2014VALE0004/document.

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L’utilisation de plusieurs cœurs pour l’exécution des applications mobiles sera l’approche dominante dans les systèmes embarqués pour les prochaines années. Cette approche permet en générale d’augmenter les performances du système sans augmenter la vitesse de l’horloge. Grâce à cela, la consommation d’énergie reste modérée. Toutefois, la concurrence entre les tâches doit être exploitée afin d’améliorer les performances du système dans les différentes situations où l’application peut s’exécuter. Les applications multimédias comme la vidéoconférence ou la vidéo haute définition, ont de nombreuse

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Agostini, Luciano Volcan. "Desenvolvimento de Arquiteturas de Alto Desempenho dedicadas à compressão de vídeo segundo o Padrão H.264/AVC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/12425.

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A compressão de vídeo é essencial para aplicações que manipulam vídeos digitais, em função da enorme quantidade de informação necessária para representar um vídeo sem nenhum tipo de compressão. Esta tese apresenta o desenvolvimento de soluções arquiteturais dedicadas e de alto desempenho para a compressão de vídeos, com foco no padrão H.264/AVC. O padrão H.264/AVC é o mais novo padrão de compressão de vídeo da ITU-T e da ISO e atinge as mais elevadas taxas de compressão dentre todos os padrões de codificação de vídeo existentes. Este padrão também possui a maior complexidade computacional dent

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Silva, André Marcelo Coelho da. "TÉCNICAS PARA O AUMENTO DE DESEMPENHO DE ARQUITETURAS DEDICADAS DAS TRANSFORMADAS DIRETAS E DE ESTIMAÇÃO DE MOVIMENTO DO PADRÃO H.264/AVC DE CODIFICAÇÃO DE VÍDEO PELOTAS 2009." Universidade Catolica de Pelotas, 2009. http://tede.ucpel.edu.br:8080/jspui/handle/tede/101.

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Made available in DSpace on 2016-03-22T17:26:22Z (GMT). No. of bitstreams: 1 DMII_AndreMarcel.pdf: 2907967 bytes, checksum: 5f3911468dd5affdd2020316f31ee238 (MD5) Previous issue date: 2009-12-11<br>The increasing use of digital video on the Internet, devices and also in mobile digital TV has lead to an increasing interest for research in this area, from both industry and academia. This work follows this trend by proposing the investigation of the main aspects of digital video, video compression and also of the H.264/AVC video compression for the implementation of performance efficient dedica

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Kannangara, Chaminda Sampath. "Complexity management of H.264/AVC video compression." Thesis, Robert Gordon University, 2006. http://hdl.handle.net/10059/643.

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The H. 264/AVC video coding standard offers significantly improved compression efficiency and flexibility compared to previous standards. However, the high computational complexity of H. 264/AVC is a problem for codecs running on low-power hand held devices and general purpose computers. This thesis presents new techniques to reduce, control and manage the computational complexity of an H. 264/AVC codec. A new complexity reduction algorithm for H. 264/AVC is developed. This algorithm predicts "skipped" macroblocks prior to motion estimation by estimating a Lagrange ratedistortion cost function

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Wong, Hoi Ming. "Motion estimation and compensation for H.264 video coding /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?ECED%202006%20WONG.

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Comstedt, Erik. "Effect of additional compression features on h.264 surveillance video." Thesis, Mittuniversitetet, Avdelningen för informationssystem och -teknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-30901.

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In video surveillance business, a recurring topic of discussion is quality versus data usage. A higher quality allows for more details to be captured at the cost of a higher bit rate, and for cameras monitoring events 24 hours a day, limiting data usage can quickly become a factor to consider. The purpose of this thesis has been to apply additional compression features to a h.264 video steam, and evaluate their effects on the videos overall quality. Using a surveillance camera, recordings of video streams were obtained. These recordings had constant GOP and frame rates. By breaking down one of

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16

Solak, Serdar. "Computational complexity management of H.264/AVC video coding standard." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=95058.

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The new H.264/AVC video coding standard achieves significantly improved compression efficiency compared to previous standards by adopting highly advanced and flexible encoding techniques at the expense of increased complexity. However, the high computational complexity of H.264/AVC is a big concern primarily for low-power devices with limited processing capabilities. This thesis presents new techniques to reduce and/or control the computational complexity of an H.264/AVC encoder. A new prediction method is developed to estimate the Lagrangian rate-distortion cost of a macroblock. The predicti

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17

Yang, Mingyuan. "Mode decision for the H.264/AVC video coding standard." Thesis, Loughborough University, 2006. https://dspace.lboro.ac.uk/2134/35013.

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H.264/AVC video coding standard gives us a very promising future for the field of video broadcasting and communication because of its high coding efficiency compared with other older video coding standards. However, high coding efficiency also carries high computational complexity. Fast motion estimation and fast mode decision are two very useful techniques which can significantly reduce computational complexity. This thesis focuses on the field of fast mode decision. The goal of this thesis is that for very similar RD performance compared with H.264/AVC video coding standard, we aim to find n

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18

Mazataud, Camille. "Error concealment for H.264 video transmission." Thesis, Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/34715.

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Video coding standards such as H.264 AVC (Advanced Video Coding) rely on predictive coding to achieve high compression efficiency. Predictive coding consists of predicting each frame using preceding frames. However, predictive coding incurs a cost when transmitting over unreliable networks: frames are no longer independent and the loss of data in one frame may affect future frames. In this thesis, we study the effectiveness of Flexible Macroblock Ordering (FMO) in mitigating the effect of errors on the decoded video and propose solutions to improve the error concealment on H.264 decoders. Afte

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Bahari, Asral. "Low power architectures for MPEG-4 AVC/H.264 video compression." Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/10695.

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Multimedia communication will be an important application in future wireless communication. The second-generation mobile communication systems already support basic multimedia services such as voice, text-messaging services and still-imaging communication. However, next generation wireless communication technology combined with advances in integrated circuit design and process fabrication technology will allow more data to be processed and transmitted through wireless channels. This will lift the current barriers and enable more demanding multimedia applications such as video telephony, video

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Mazhar, Ahmad Abdel Jabbar Ahmad. "Efficient compression of synthetic video." Thesis, De Montfort University, 2013. http://hdl.handle.net/2086/9019.

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Streaming of on-line gaming video is a challenging problem because of the enormous amounts of video data that need to be sent during game playing, especially within the limitations of uplink capabilities. The encoding complexity is also a challenge because of the time delay while on-line gamers are communicating. The main goal of this research study is to propose an enhanced on-line game video streaming system. First, the most common video coding techniques have been evaluated. The evaluation study considers objective and subjective metrics. Three widespread video coding techniques are selecte

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Gu, Zhenya. "A hybrid system for video compression based on H.264 and JPEG2000." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/53144.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2009.<br>Includes bibliographical references (leaves 55-56).<br>A video compression system is created that combines the JPEG2000 and H.264 standards. JPEG2000 is used to encode the I-frames, while H.264 is used to encode the P-frames. The goal of this thesis is to evaluate the performance of this hybrid system. The system is evaluated using a set of eight test video sequences, which cover a range of resolutions (CIF to 1920 x 1080) and picture content. Rate-distortion performance anal

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22

Hallamasek, Kurt, Karen Hallamasek, Brad Schwagler, and Les Oxley. "Comparative Analysis of H.264 and Motion-JPEG2000 Compression for Video Telemetry." International Foundation for Telemetering, 2012. http://hdl.handle.net/10150/581732.

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ITC/USA 2012 Conference Proceedings / The Forty-Eighth Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2012 / Town and Country Resort & Convention Center, San Diego, California<br>The H.264/AVC standard, popular in commercial video recording and distribution, has also been widely adopted for high-definition video compression in Intelligence, Surveillance and Reconnaissance and for Flight Test applications. H.264/AVC is the most modern and bandwidth-efficient compression algorithm specified for video recording in the Digital Recording IRIG Standard 106-11,

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23

Khire, Sourabh Mohan. "Enhancing H.26x coding for visual communications - with applications in telemedicine and television." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47577.

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In a wireless and mobile communication paradigm, distribution and sharing of video content often occurs over unfriendly network environments constrained by lack of sufficient bandwidth, and prone to jitter, delay and packet losses. The research presented in this thesis proposed an assortment of application-specific optimizations designed to enable high-quality video communication over bandwidth constrained and unreliable channels. This assortment of solutions, termed herein as the Application Specific Video Coding and Delivery (ASVCD) toolkit, comprises of content and network adaptive approach

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Subramanian, Vivek. "Content-aware Video Compression." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254394.

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In a video there are certain regions in the image that viewers focus on more than others, which are called the salient regions or RegionsOf-Interest (ROI). This thesis aims to improve the perceived quality of videos by improving the quality of these ROis while degrading the quality of the other non-ROI regions of a frame to keep the same bitrate as would have been the case otherwise. This improvement is achieved by using saliency maps generated using an eye tracker or a deep neural network and providing this information to a modified video encoder. In this thesis the open source x264 encoder

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Brown, Michelle M. "Hardware study on the H.264/AVC video stream parser /." Online version of thesis, 2008. http://hdl.handle.net/1850/7766.

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Di, Laura Christian, Diego Pajuelo, and Guillermo Kemper. "A Novel Steganography Technique for SDTV-H.264/AVC Encoded Video." Hindawi Publishing Corporation, 2016. http://hdl.handle.net/10757/609497.

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Today, eavesdropping is becoming a common issue in the rapidly growing digital network and has foreseen the need for secret communication channels embedded in digital media. In this paper, a novel steganography technique designed for Standard Definition Digital Television (SDTV) H.264/AVC encoded video sequences is presented. The algorithm introduced here makes use of the compression properties of the Context Adaptive Variable Length Coding (CAVLC) entropy encoder to achieve a low complexity and real-time inserting method. The chosen scheme hides the private message directly in the H.264/AVC b

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Braci, Sofiane. "Etude des méthodes de dissimulation informées de données appliquées aux supports multimédias." Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00866202.

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Kota, Praveen. "Rate-adaptive H.264 for TCP/IP networks." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5741.

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While there has always been a tremendous demand for streaming video over TCP/IP networks, the nature of the application still presents some challenging issues. These applications that transmit multimedia data over best-effort networks like the Internet must cope with the changing network behavior; specifically, the source encoder rate should be controlled based on feedback from a channel estimator that probes the network periodically. First, one such Multimedia Streaming TCP-Friendly Protocol (MSTFP) is considered, which iteratively integrates forward estimation of network status with feedback

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Adams, Tanner Ryan. "Computationally Efficient Basic Unit Rate Control for H.264/AVC." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1386097674.

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Jayaseelan, John. "Estimation of LRD present in H.264 video traces using wavelet analysis and proving the paramount of H.264 using OPF technique in wi-fi environment." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5729.

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While there has always been a tremendous demand for streaming video over Wireless networks, the nature of the application still presents some challenging issues. These applications that transmit coded video sequence data over best-effort networks like the Internet, the application must cope with the changing network behaviour; especially, the source encoder rate should be controlled based on feedback from a channel estimator that explores the network intermittently. The arrival of powerful video compression techniques such as H.264, which advance in networking and telecommunications, opened up

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Hoffman, Marc. "Efficient Software and Hardware Implementations of the H.264 Entropy Encoders." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1322668418.

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Ramadoss, Balaji. "Vector Flow Model in Video Estimation and Effects of Network Congestion in Low Bit-Rate Compression Standards." [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000139.

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Ramos, Fabio Luis Livi. "Arquitetura para o algoritmo CAVLC de codificação de entropia segundo o padrão H.264/AVC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/31120.

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A codificação de vídeo digital depende de uma série de etapas para ser alcançada a compressão de dados necessária para, então, o vídeo ser enviado ou armazenado em um meio. Existe uma série de padrões que se propõe a isso e dentre eles, o que apresenta o melhor desempenho em termos de compressão de dados e qualidade de vídeo até o presente momento é o H.264/AVC. Considerando então o padrão H.264/AVC, uma das etapas do seu processamento é a codificação de entropia, sendo que um dos algoritmos usados para esse fim é o CAVLC (Context-Based Adaptive Variable Length Coding). Esta técnica faz uso de

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Thompson, Andrew D. "Design and Implementation of an Embedded H.264 Color Video Encoding Pipeline for a Mobile Processing Platform." University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1462221103.

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35

Campana, Ottavio. "Multiple Description Coding for Non-Scalable and Scalable Video Compression." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425567.

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Multiple Description Coding (MDC) techniques are based on dividing the input signal into several chunks of data called descriptions. Whenever all descriptions are correctly received the original signal is reconstructed, while in case some information is lost its content is estimated by exploiting the redundancy shared between all the descriptions and a coarse approximation of the signal is decoded. The topic of this thesis is the application of MDC to non-scalable, for the H.264/AVC coding standard, and scalable video coding, for a custom coding scheme.

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Porto, Roger Endrigo Carvalho. "Desenvolvimento arquitetural para estimação de movimento de blocos de tamanhos variáveis segundo padrão H.264/AVC de compressão de vídeo digital." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/17348.

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Apesar de as capacidades de transmissão e de armazenamento dos dispositivos continuarem crescendo, a compressão ainda é essencial em aplicações que trabalham com vídeo. Com a compressão reduz-se significativamente a quantidade de bits necessários para se representar uma seqüência de vídeo. Dentre os padrões de compressão de vídeo digital, o mais novo é o H.264/AVC. Este padrão alcança as mais elevadas taxas de compressão se comparado com os padrões anteriores mas, por outro lado, possui uma elevada complexidade computacional. A complexidade computacional elevada dificulta o desenvolvimento em

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Erdogan, Baran. "Real-time Video Encoder On Tmsc6000 Platform." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605594/index.pdf.

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Technology is integrated into daily life more than before as it evolves through communication area. In the past, it started with audio devices that help us to communicate while far between two ends of communication line. Nowadays visual communication comes in front considering the communication technology. This became possible with the improvement in the compression techniques of visual data and increasing speed, optimized architecture of the new family processors. These type processors are named as Digital Signal Processors (DSP&rsquo<br>s). Texas Instruments TMS320C6000 Digital Signal Proces

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Alay, Ozgu. "Fast Intra/inter Mode Decision For A Real-time H.264 Streaming System." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607355/index.pdf.

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Video compression is a key technology used in several multimedia applications. Improvements in the compression techniques together with the increasing speed and optimized architecture of the new family processors enable us to use this technology more in real time systems. H.264 (also known as MPEG-4 Part 10 or AVC - Advanced Video Coding), is the latest video coding standard which is noted for achieving very high data compression. While H.264 is superior to its predecessors, it has a very high computational complexity which makes its costly for real time applications. Thus, in order to perform

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Yang, Hsueh-szu, and Benjamin Kupferschmidt. "Time Stamp Synchronization in Video Systems." International Foundation for Telemetering, 2010. http://hdl.handle.net/10150/605988.

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ITC/USA 2010 Conference Proceedings / The Forty-Sixth Annual International Telemetering Conference and Technical Exhibition / October 25-28, 2010 / Town and Country Resort & Convention Center, San Diego, California<br>Synchronized video is crucial for data acquisition and telecommunication applications. For real-time applications, out-of-sync video may cause jitter, choppiness and latency. For data analysis, it is important to synchronize multiple video channels and data that are acquired from PCM, MIL-STD-1553 and other sources. Nowadays, video codecs can be easily obtained to play most types

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Husemann, Ronaldo. "Arquitetura de co-projeto hardware/software para implementação de um codificador de vídeo escalável padrão H.264/SVC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/49305.

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Visando atuação flexível em redes heterogêneas, modernos sistemas multimídia podem adotar o conceito da codificação escalável, onde o fluxo de vídeo é composto por múltiplas camadas, cada qual complementando e aprimorando gradualmente as características de exibição, de forma adaptativa às capacidades de cada receptor. Atualmente, a especificação H.264/SVC representa o estado da arte da área, por sua eficiência de codificação aprimorada, porém demanda recursos computacionais extremamente elevados. Neste contexto, o presente trabalho apresenta uma arquitetura de projeto colaborativo de hardware

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Buchta, Martin. "Kódování 4K videa v reálném čase s technologií NVENC." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-433205.

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Diploma thesis is focused on real-time 4K video encoding using NVENC technology. First chapter describes the most used video codecs H.264 and HEVC. There is an explanation of the principle of graphic cards and their programmable units. Analysis of the solution of open source Video Codec SDK is also part of the thesis. The main focus of the thesis is an implementation of an application which can handle 4K video encoding from multiple cameras in real time. Performance and qualitative tests were performed for application. Results of these tests were analyzed and discussed.

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Bilen, Cagdas. "A Hybrid Approach For Full Frame Loss Concealment Of Multiview Video." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608559/index.pdf.

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Multiview video is one of the emerging research areas especially among the video coding community. Transmission of multiview video over an error prone network is possible with efficient compression of these videos. But along with the studies for efficiently compressing the multiview video, new error concealment and error protection methods are also necessary to overcome the problems due to erroneous channel conditions in practical applications. In packet switching networks, packet losses may lead to block losses in a frame or the loss of an entire frame in an encoded video sequence. In recent

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Abdullah, Jan Mirza, and Mahmododfateh Ahsan. "Multi-View Video Transmission over the Internet." Thesis, Linköping University, Department of Electrical Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57903.

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<p>3D television using multiple views rendering is receiving increasing interest. In this technology a number of video sequences are transmitted simultaneously and provides a larger view of the scene or stereoscopic viewing experience. With two views stereoscopic rendition is possible. Nowadays 3D displays are available that are capable of displaying several views simultaneously and the user is able to see different views by moving his head.</p><p>The thesis work aims at implementing a demonstration system with a number of simultaneous views. The system will include two cameras, computers at b

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Hanson, Anthony. "General Purpose Computing in Gpu - a Watermarking Case Study." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700078/.

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The purpose of this project is to explore the GPU for general purpose computing. The GPU is a massively parallel computing device that has a high-throughput, exhibits high arithmetic intensity, has a large market presence, and with the increasing computation power being added to it each year through innovations, the GPU is a perfect candidate to complement the CPU in performing computations. The GPU follows the single instruction multiple data (SIMD) model for applying operations on its data. This model allows the GPU to be very useful for assisting the CPU in performing computations on dat

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Martins, André Luis Del Mestre. "Projeto da arquitetura de hardware para binarização e modelagem de contextos para o CABAC do padrão de compressão de vídeo H.264/AVC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/28742.

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O codificador aritmético binário adaptativo ao contexto adotado (CABAC – Context-based Adaptive Binary Arithmetic Coding) pelo padrão H.264/AVC a partir de perfil Main é o estado-da-arte em termos de eficiência de taxa de bits. Entretanto, o CABAC ocupa 9.6% do tempo total de processamento e seu throughput é limitado pelas dependências de dados no nível de bit (LIN, 2010). Logo, atingir os requisitos de desempenho em tempo real nos níveis mais altos do padrão H.264/AVC se torna uma tarefa árdua em software, sendo necesário então, a aceleração do CABAC através de implementações em hardware. As

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Krivoklatský, Filip. "Návrh vestavaného systému inteligentného vidění na platformě NVIDIA." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400627.

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This diploma thesis deals with design of embedded computer vision system and transfer of existing computer vision application for 3D object detection from Windows OS to designed embedded system with Linux OS. Thesis focuses on design of communication interface for system control and camera video transfer through local network with video compression. Then, detection algorithm is enhanced by transferring computationally expensive functions to GPU using CUDA technology. Finally, a user application with graphical interface is designed for system control on Windows platform.

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Dubois, Loïc. "Protection de vidéo comprimée par chiffrement sélectif réduit." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20169/document.

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De nos jours, les vidéos et les images sont devenues un moyen de communication très important. L'acquisition, la transmission, l'archivage et la visualisation de ces données visuelles, que ce soit à titre professionnel ou privé, augmentent de manière exponentielle. En conséquence, la confidentialité de ces contenus est devenue un problème majeur. Pour répondre à ce problème, le chiffrement sélectif est une solution qui assure la confidentialité visuelle des données en ne chiffrant qu'une partie des données. Le chiffrement sélectif permet de conserver le débit initial et de rester conforme aux

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Alaoui, Fdili Othmane. "Optimisation multicritères de la qualité de service dans les réseaux de capteurs multimédia sans fil." Thesis, Valenciennes, 2015. http://www.theses.fr/2015VALE0016/document.

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Les progrès réalisés en systèmes micro-électro-mécaniques couplés avec leur convergence vers les systèmes de communication sans fil, ont permis l'émergence des réseaux de capteurs sans fil (RCSF). Les contraintes de ces réseaux font que tous les efforts soient fournis pour proposer des solutions économes en énergie. Avec les récents développements des technologies CMOS, des capteurs d'images à faible coût ont été développés. En conséquence, un nouveau dérivé des RCSF, qui sont les Réseaux de Capteurs Vidéo Sans Fil (RCVSF), a été proposé. La particularité des données vidéo ainsi que les contra

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Dušek, Oto. "Zachytávání a komprese videa na vestavěných zařízeních." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2020. http://www.nusl.cz/ntk/nusl-417277.

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Industrial cameras are often used in conjunction with the application of machine learning. However, these cameras produce large bitrate and it needs to be reduced when processing video further away from the camera. This thesis tries to solve the problem by design of system suitable for grabbing video from industrial cameras, its compression and distribution to machine learning application. The thesis describes technologies applicable to the development of the multimedia application. For example frameworks FFmpeg and GStreamer were used implementation of the system.

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Šiška, Michal. "Ztrátová komprese pohyblivých obrazů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219298.

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This thesis deals with description of lossy video compression. Theoretical part of the work describes the fundamentals of the video compression and standarts for lossy as well lossless video and still image compression. The practical part follows up with design of Java program for simulation of MPEG codec.

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