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Relevant bibliographies by topics / Encoder optimization / Dissertations / Theses

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Dissertations / Theses on the topic 'Encoder optimization'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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1

Mallikarachchi, Thanuja. "HEVC encoder optimization and decoding complexity-aware video encoding." Thesis, University of Surrey, 2017. http://epubs.surrey.ac.uk/841841/.

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The increased demand for high quality video evidently elevates the bandwidth requirements of the communication channels being used, which in return demands for more efficient video coding algorithms within the media distribution tool chain. As such, High Efficiency Video Coding (HEVC) video coding standard is a potential solution that demonstrates a significant coding efficiency improvement over its predecessors. HEVC constitutes an assortment of novel coding tools and features that contribute towards its superior coding performance, yet at the same time demand more computational, processing a

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2

Syu, Eric. "Implementing rate-distortion optimization on a resource-limited H.264 encoder." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33365.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.<br>Includes bibliographical references (leaves 57-59).<br>This thesis models the rate-distortion characteristics of an H.264 video compression encoder to improve its mode decision performance. First, it provides a background to the fundamentals of video compression. Then it describes the problem of estimating rate and distortion of a macroblock given limited computational resources. It derives the macroblock rate and distortion as a function of the residual SAD and H.264 quantiz

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3

Carriço, Nuno Filipe Marques. "Transformer approaches on hyper-parameter optimization and anomaly detection with applications in stream tuning." Master's thesis, Universidade de Évora, 2022. http://hdl.handle.net/10174/31068.

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Hyper-parameter Optimisation consists of finding the parameters that maximise a model’s performance. However, this mainly concerns processes in which the model shouldn’t change over time. Hence, how should an online model be optimised? For this, we pose the following research question: How and when should the model be optimised? For the optimisation part, we explore the transformer architecture as a function mapping data statistics into model parameters, by means of graph attention layers, together with reinforcement learning approaches, achieving state of the art results. On the other hand, i

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Zouidi, Naïma. "Complexity reduction of VVC encoder using machine learning techniques : intra-prediction." Electronic Thesis or Diss., Rennes, INSA, 2023. http://www.theses.fr/2023ISAR0016.

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En juillet 2020, la nouvelle norme de codage vidéo, appelle Versatile Video Coding (VVC), a été publiée par le groupe Joint Video Experts Team (JVET). Cette norme permet un niveau plus élevé de polyvalence avec une meilleure performance en compression vidéo par rapport à son prédécesseur, High-Efficiency Video Coding (HEVC). En effet, elle introduit plusieurs nouveaux outils de codage tels que les modes de prédiction intra à granularité plus fine (IPMs) et la division QuadTree Multi-type Tree (QTMT). Étant donné que la recherche des meilleures décisions de codage est généralement précédée par

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Hägg, Ragnar. "Scalable High Efficiency Video Coding : Cross-layer optimization." Thesis, Uppsala universitet, Avdelningen för visuell information och interaktion, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-257558.

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In July 2014, the second version of the HEVC/H.265 video coding standard was announced, and it included the Scalable High efficiency Video Coding (SHVC) extension. SHVC is used for coding a video stream with subset streams of the same video with lower quality, and it supports spatial, temporal and SNR scalability among others. This is used to enable easy adaption of a video stream, by dropping or adding packages, to devices with different screen sizes, computing power and bandwidth. In this project SHVC has been implemented in Ericsson's research encoder C65. Some cross-layer optimizations hav

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6

Sun, Hui [Verfasser], Ralph [Akademischer Betreuer] Kennel, Alexander W. [Gutachter] Koch, and Ralph [Gutachter] Kennel. "Optimization of Velocity and Displacement Measurement with Optical Encoder and Laser Self-Mixing Interferometry / Hui Sun ; Gutachter: Alexander W. Koch, Ralph Kennel ; Betreuer: Ralph Kennel." München : Universitätsbibliothek der TU München, 2020. http://d-nb.info/1230552693/34.

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Al-Hasani, Firas Ali Jawad. "Multiple Constant Multiplication Optimization Using Common Subexpression Elimination and Redundant Numbers." Thesis, University of Canterbury. Electrical and Computer Engineering, 2014. http://hdl.handle.net/10092/9054.

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The multiple constant multiplication (MCM) operation is a fundamental operation in digital signal processing (DSP) and digital image processing (DIP). Examples of the MCM are in finite impulse response (FIR) and infinite impulse response (IIR) filters, matrix multiplication, and transforms. The aim of this work is minimizing the complexity of the MCM operation using common subexpression elimination (CSE) technique and redundant number representations. The CSE technique searches and eliminates common digit patterns (subexpressions) among MCM coefficients. More common subexpressions can be found

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8

Nasrallah, Anthony. "Novel compression techniques for next-generation video coding." Electronic Thesis or Diss., Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAT043.

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Le contenu vidéo occupe aujourd'hui environ 82% du trafic Internet mondial. Ce pourcentage important est dû à la révolution des contenus vidéo. D’autre part, le marché exige de plus en plus des vidéos avec des résolutions et des qualités plus élevées. De ce fait, développer des algorithmes de codage encore plus efficaces que ceux existants devient une nécessité afin de limiter afin de limiter l’augmentation de la quantité de données vidéo circulant sur internet et assurer une meilleure qualité de service. En outre, la consommation impressionnante de contenu multimédia dans les produits électro

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9

Luo, Fangyi. "Post-Layout DFM optimization based on hybrid encoded topological layout /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2005. http://uclibs.org/PID/11984.

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10

Zhang, Yuanzhi. "Algorithms and Hardware Co-Design of HEVC Intra Encoders." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/dissertations/1769.

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Digital video is becoming extremely important nowadays and its importance has greatly increased in the last two decades. Due to the rapid development of information and communication technologies, the demand for Ultra-High Definition (UHD) video applications is becoming stronger. However, the most prevalent video compression standard H.264/AVC released in 2003 is inefficient when it comes to UHD videos. The increasing desire for superior compression efficiency to H.264/AVC leads to the standardization of High Efficiency Video Coding (HEVC). Compared with the H.264/AVC standard, HEVC offers a d

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11

Nguyen, Ngoc-Mai. "Stratégies d'optimisation de la consommation pour un système sur puce encodeur H.264." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT049/document.

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La consommation d'énergie des systèmes sur puces induit des contraintes fortes lors de leur conception. Elle affecte la fiabilité du système, le coût du refroidissement de la plateforme, et la durée de vie de la batterie lorsque le circuit est alimenté par des batteries. En fait, avec la diminution de la tailles de la technologie des semi-conducteurs, l'optimisation de la puissance consommée est devenue un enjeu majeur, au même titre que le coût lié à la surface silicium et l'optimisation des performances, en particulier pour les applications mobiles. Des puces codec vidéo dédiées ont été util

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12

Howard, Dawne E. "The Finding Aid Container List Optimization Survey: Recommendations for Web Usability." Thesis, School of Information and Library Science, 2006. http://hdl.handle.net/1901/340.

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This paper examines the results of a usability study for finding aids from the Special Collections Research Center at North Carolina State University. In 2005, the Special Collections Research Center reformatted its finding aids so that the container information, typically located on the left-hand side of the document, moved to the right-hand side of the document. The study tested the effectiveness of this change, and determined that traditional finding aids performed better. The analysis of the study’s results is followed by a discussion about Web usability guidelines for online finding ai

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DAHLQVIST, ANTON, and Victor Karlsson. "Design and optimization of a signal converter for incremental encoders : A study about maximizing the boundary limits of quadrature pulse conversion." Thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192301.

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This project was carried out during spring 2016 in collaboration with BOSCH Rexroth, Mellansel, and aimed to investigate the possibility of implementing a converter with the ability to scale incremental pulse resolution and also convert the velocity to a 4-20mA current loop reference. An investigation on how a fault tolerance mechanism could be implemented to increase the dependability of the encoder was done and the out-coming results were implemented. The software and hardware were revised and optimized to facilitate a future encapsulation, and still keep the converter reprogrammable. A back

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Le, Thu Anh. "An Exploration of the Word2vec Algorithm: Creating a Vector Representation of a Language Vocabulary that Encodes Meaning and Usage Patterns in the Vector Space Structure." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849728/.

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This thesis is an exloration and exposition of a highly efficient shallow neural network algorithm called word2vec, which was developed by T. Mikolov et al. in order to create vector representations of a language vocabulary such that information about the meaning and usage of the vocabulary words is encoded in the vector space structure. Chapter 1 introduces natural language processing, vector representations of language vocabularies, and the word2vec algorithm. Chapter 2 reviews the basic mathematical theory of deterministic convex optimization. Chapter 3 provides background on some concepts

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15

Chang, Chih-Yang, and 張志揚. "Encoder Optimization for Desktop Sharing Using Screen Video Codec 2." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/b2jkxf.

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碩士<br>國立臺北科技大學<br>電機工程系所<br>102<br>Big Blue Button (BBB) is open-source software for video-conferencing, which provides sharing functions for desktop, video, audio, PPT and PDF, etc. For the desktop sharing, BBB adopts an encoder tailored to the Screen Video Codec 2(SVC2) of Adobe’s standard. The goal of this work is to improve the encoder performance of BBB desktop sharing, while keeping the output video stream conforming to SVC2. This work improves BBB in many aspects, including detection of frame change, decision of frame replenishment, quantization of color, reduction of frame scaling comp

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Hung, Chi-che, and 洪啟哲. "Optimization of H.264 Video Compression Encoder Based on DSP Platform." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/16136650177538161792.

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碩士<br>大同大學<br>電機工程學系(所)<br>99<br>With the advancement of the digital signal processing, real-time video transmission becomes an essential element in our daily life. In this paper, a implementation and optimization scheme of H.264/MPEG-4 encoder based on TMS320C6416 DSP is presented. For the H.264 encoder, the open source code JM is used as the basis to build a DSP-executable program. We choose the Baseline Profile as our main research from the H.264 encoder architecture, and this profile offer the intra prediction, inter prediction, and the entropy coding adopts CAVLC. The hardware platform us

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17

Yang, Chung-Yu, and 楊中瑜. "The Optimization and Complexity Reductionof H.264/AVC Baseline Encoder Using TIThe Optimization and Complexity Reduction of H.264/AVC Baseline Encoder Using TI DM642 Digital Signal Processor." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/18943057802547551809.

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碩士<br>國立臺北大學<br>通訊工程研究所<br>96<br>H.264/AVC is the most advanced compression technology which offers better compression ratio and lower distortion than the previous video compression standards such as MPEG-4 and MPEG-2. However, the computational cost is really high. x264 has the best performance/ cost time ratio in most of the H.264-based algorithms. The main objective of this thesis is to realize x264 on TI DM642 DSP framework. In this thesis, the complexity will be reduced by using algorithm optimization and programming structure rearrangement. We also optimized part of the encoder with asse

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18

Lai, Yi-Lun, and 賴逸倫. "Speed Optimization of H.264 Encoder on General-Purpose Processors with Media Instructions." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/25112098542380400700.

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碩士<br>國立中正大學<br>資訊工程研究所<br>92<br>H.264 is the newest and the most coding efficiency standard developed by JVT. With many advanced coding techniques, it can achieve significantly higher coding performance compared to the existing coding standards. However, the improved coding performance of H.264 comes with a great amount of time and space complexity, making it impractical for realtime encoding applications. The speed optimization of H.264 codec thus becomes a crucial issue. The utilization of media instructions embedded in modern general-purpose processors is considered an efficient means of o

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Lai, Yen-Wen, and 賴彥汶. "Study of MPEG-4 Advance Simple Profile Video Encoder--Optimization Transcoding and Streaming." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/60085214040104777006.

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碩士<br>國立成功大學<br>資訊工程學系碩博士班<br>92<br>Due to dynamically changing bandwidth of network environment, rate transcoding of a compressed video is necessary to fit the estimated network bandwidth. In this thesis, a rate control algorithm and a real-time network bandwidth estimator are proposed for the above purpose. Therefore, only one copy of a compressed video source is necessary. This will greatly save the storage space on the server. We also implement the corresponding transcoding server and the bitstream can be accepted and viewed by using the popular Quick-Time player. The result is quite satis

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20

CHEN, LUNG-CHENG, and 陳蘢檉. "Rate Allocation Techniques for 3D HEVC Video Encoder Based on 3D Quality Optimization." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/37337338826316984997.

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碩士<br>國立中正大學<br>電機工程研究所<br>104<br>In this paper, we proposed a new algorithm in rate allocation and color+depth joint rate control based on 3D-HEVC. In our algorithm, "joint rate control" can provide a smaller bitrate error than standard SHVC coding tool. In "rate allocation," we have two method to seperate bits. First, we prposed a method to seperate different joint (color+depth) LCUs in one joint (color+depth) frame, this is called "3D Quality Contribution." In 3D quality contribution, we use motion vector and edge matching to judge each LCU whether it is important to human visual system. An

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21

Lin, Yin-Ling, and 林映伶. "MPEG-2/4 Low Complexity AAC Encoder Optimization and Implementation on a StrongARM Platform." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/43493370133617970596.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>93<br>In this thesis, we present an optimized AAC encoding scheme and also proposed a data embedded method integrated into AAC encoding system. Both of them are finally realized on a 32-bit fixed-point processor, StrongARM SA-1110. Experimental result shows that at least 1 encoding speed is achieved. In the AAC encoding algorithm, we propose several approaches including the removal of block switching, fast MDCT, simplified TNS, simplified M/S stereo coding, mathematical function optimization and fast quantization. To compensate the error caused by fixed-point conve

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Jing-XinWang and 王景新. "Parallel H.264/AVC Rate-Distortion Optimization Baseline Profile Encoder on Distributed Shared Memory System." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/51038557556548773314.

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博士<br>國立成功大學<br>資訊工程學系碩博士班<br>98<br>H.264/AVC video coding standard incorporates many coding tools into its design to improve its compression performance. In a H.264/AVC rate-distortion optimization (RDO) encoder, computation time is primarily spent on calculating the rate-distortion cost (RD) of choosing the best coding mode. Parallel computation is one of the methods to speed up the encoder. However, calculating the rate-distortion cost requires lots of reference data obtained from coded adjacent macroblocks. This is not a good property for any parallel computing strategy, especially for dis

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23

Huang, Yi-Hsin, and 黃翊鑫. "Integrated Fast Mode Decision Algorithm and SSIM-Based Rate-Distortion Optimization for H.264 Encoder." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/53152076155231006602.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>97<br>The success of H.264 standardization implies that the video coding tools of the next-generation video coding standard, for example, H.265, will become more complicated and require extensive computations for high quality video. To satisfy the real-time requirements of many consumer electronic and multimedia communication applications, it is absolutely necessary to enhance the computational efficiency of such advanced coding tools. On the other hand, because the video quality is ultimately judged by human eyes, we strongly believe that the characteristics of hum

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24

Lin, Chih-Yuan, and 林志遠. "Research on the performance optimization of DSP program, with a casestudy of the H.264 Encoder." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/83556140717006270372.

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碩士<br>明志科技大學<br>電機工程研究所<br>98<br>This thesis focuses on the research of the efficiency optimization that is applied inside the Digital Signal Processor and uses the H.264 video encoder, made by the team, as an example of improving efficiency. The platform used in the research is the DM6437 DSP system development board that was made by Texas Instruments. To test our encoding system, we use the officially released H.264 video testing file. This system was developed by referring to the original code of the coding software JM8.0 that was released by the official H.264. However, while the original

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25

Yang, Chung-Yu. "The Optimization and Complexity Reduction of H.264/AVC Baseline Encoder Using TI DM642 Digital Signal Processor." 2008. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0023-2608200810274100.

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26

Liao, Irene M. J., and 廖美貞. "A Carry-Select-Adder Optimization Technique for High-Performance Booth-Encoded Wallace-Tree Multipliers." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/45267729737681347070.

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碩士<br>國立清華大學<br>資訊工程學系<br>89<br>In this thesis, we present two carry-select adder partitioning algorithms for high-performance Booth-encoded Wallace-tree multipliers. By taking various data arrival times into account, we propose a branch-and-bound algorithm and a heuristic algorithm to partition an n-bit carry-select adder into a number of adder blocks such that the overall delay of the design is minimized. The experimental results show that our proposed algorithm can achieve on an average 9.1% delay reduction with less than 1% of area overhead on 15 multipliers ranges from 16X16-bit to 64X64-

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Lammers, Christoph. "A method for the genetically encoded incorporation of FRET pairs into proteins." Doctoral thesis, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-5F65-3.

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Alain, Guillaume. "Auto-Encoders, Distributed Training and Information Representation in Deep Neural Networks." Thèse, 2018. http://hdl.handle.net/1866/22572.

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Almeida, Inês Ferreira de. "Optimization of in vivo electroporation and comparison to microinjection as delivery methods for transgenesis in zebrafish (Danio rerio). Generation of a new neuronal zebrafish line." Master's thesis, 2022. http://hdl.handle.net/10362/132850.

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Transgenic zebrafish are important models for biomedical research. There are several technologies available for the generation of transgenics and for genome editing. However, methods for the delivery of exogenous components remain limited. In Zebrafish, the most used method is microinjection, which requires sophisticated technical skills and presents a low integration rate of large constructs. Alternatively, a few studies reported the use of electroporation as a delivery method for the generation of transgenic zebrafish; however, these protocols contain some limitations that reduce

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Dauphin, Yann. "Advances in scaling deep learning algorithms." Thèse, 2015. http://hdl.handle.net/1866/13710.

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