Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 58 for “"H.264"”.
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Complexity management of H.264/AVC video compression.
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 …
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Implementation of H.264 Decoder in Bluespec SystemVerilog
In this thesis, I present a implementation of a H.264 decoder designed in Bluespec SystemVerilog, a high level hardware description language. This design is intended to serve both as a more understandable reference code, as well as a starting point for efficient hardware implementations. I …
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Heterogeneous multiprocessor pipeline design for H.264 video encoder
… This thesis introduces a platform for a H.264/Advanced Video Coding (AVC) encoder which is both flexible (allows software upgrades) and scalable (supports multiple resolutions), and supports high video quality (by using both intra prediction and inter prediction) and allows high throughput …
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Computational Complexity Optimization on H.264 Scalable/Multiview Video Coding
The H.264/MPEG-4 Advanced Video Coding (AVC) standard is a high efficiency and flexible video coding standard compared to previous standards. The high efficiency is achieved by utilizing a comprehensive full search motion estimation method. Although the H.264 standard improves the visual quality at …
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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.
… powerful video compression techniques such as H.264, which advance in networking and telecommunications, opened up a whole new frontier for multimedia communications. The aim of this research is to transmit the H.264 coded video frames in the wireless network with maximum reliability and in a …
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H.264 Encoded Digital Video Protection using Temporal Redundancy LSB Steganography
… these redundancies are utilised by the H.264 encoding standard to reduce the bandwidth requirements of a digital video stream while maintaining content quality. The temporal redundancies are used to steganographically embed unique binary data within the digital video stream, this results …
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Fast implementation of integer transforms in H.264/AVC video encoders
… and Hadamard transforms are adopted in the H.264/AVC standard encoder for the compression of residual video signals. Other video standards such as the H.261, H.262 and H.263 use Discrete Cosine Transform (DCT).
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Implementing rate-distortion optimization on a resource-limited H.264 encoder
… 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 …
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A hybrid system for video compression based on H.264 and JPEG2000
… 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, …
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Performance analysis of H.264 encoder for high-definition video transmission over ultra-wideband communication link.
… of pictures, and quantization parameter of an H.264/AVC encoder. Here, standard HD video streams with different motion characteristics are used, and the impact of these parameters change on the reconstructed video quality and the broadcasting data rate are analyzed. Finally, a generalized …
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Impacto do gerenciamento ativo de filas em redes IP transportando fluxos de vídeo H.264/MPEG-4 AVC
… IP best effort que transportam fluxos de vídeo H.264/MPEG-4 AVC em tempo-real ao se aplicar a técnica de gerenciamento ativo de filas ARED em lugar da técnica droptail tradicional. As análises são feitas tanto do ponto de vista dos fluxos de vídeo isoladamente quanto do ponto de vista dos fluxos …
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Algorithms and methods for video transcoding.
… necessitated by the end user requirements. H.264 has been the predominantly used video compression standard for the last 15 years. HEVC (High Efficiency Video Coding) is the latest video compression standard finalised in 2013, which is an improvement over H.264 video compression standard. HEVC …
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