Výsledky vyhledávání - Video coder*

One-Sided \rho-GGD Source Modeling and Rate-Distortion Optimization in Scalable Wavelet Video Coder Autor Tsai, Chia-Yang, Hang, Hsueh-Ming

“…), for approximating the residual signals in scalable wavelet video coding. An efficient piecewise linear expression is suggested to estimate the shape parameter of the one-sided ρ-GGD…”
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Pixel‐domain Wyner‐Ziv residual video coder with adaptive binary‐to‐Gray code converting process Autor Kim, Jin‐Soo, Kim, Jae‐Gon, Choi, Haechul, Seo, Kwang‐Deok

“…A pixel‐domain Wyner‐Ziv residual video coding scheme is presented. In this scheme, based on the statistical distribution characteristics of the residual signal, an adaptive binary…”
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A zerotree wavelet video coder Autor Martucci, S.A., Sodagar, I., Chiang, T., Ya-Qin Zhang

“…This paper describes a hybrid motion-compensated wavelet transform coder designed for encoding video at very low bit rates…”
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The Simple Video Coder: A free tool for efficiently coding social video data Autor Barto, Daniel, Bird, Clark W., Hamilton, Derek A., Fink, Brandi C.

“… We offer the Simple Video Coder—free, open-source software for behavior coding that is flexible in accommodating different experimental designs, is intuitive…”
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Source model for transform video coder and its application. Part I: Fundamental theory Autor HANG, H.-M, CHEN, J.-J

“…A source model describing the relationship between bits, distortion, and quantization step sizes of a large class of block-transform video coders is proposed…”
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Performance analysis of hybrid coders in multi-constraints pruned environment Autor Kumar, Krishan, Kumar, Rajender, Mahajan, Shubham, Chakraborty, Chinmay, Pandit, Amit Kant

“…Advance Video Coder (H.264/AVC) and High-Efficiency Video (H.265/HEVC) coders are fast developing video compression standards, provides high compression and quality of service as compared to previously established standards…”
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MultiStage: A MINMAX Bit Allocation Algorithm for Video Coders Autor Cherniavsky, N., Shavit, G., Ringenburg, M.F., Ladner, R.E., Riskin, E.A.

“… In this work, we present a new algorithm for constant-quality video, called MultiStage. We first show how MultiStage works for an embedded bit plane coder, and we then…”
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Evaluation Of Bitrate Ladders For Versatile Video Coder Autor Kaafarani, Reda, Blestel, Mederic, Maugey, Thomas, Ropert, Michael, Roumy, Aline

“…Many video service providers take advantage of bitrate ladders in adaptive HTTP video streaming to account for different network states and user display specifications by providing bitrate/resolution…”
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Frame bit allocation for the H.264/AVC video coder via Cauchy-density-based rate and distortion models Autor Kamaci, N., Altunbasak, Y., Mersereau, R.M.

“… Extensive analysis with carefully selected anchor video sequences demonstrates a 0.24-dB average peak signal-to-noise ratio (PSNR…”
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Serial parallel dataflow-pipelined processing architecture based accelerator for 2D transform-quantization in video coder and decoder Autor Shivarudraiah, Sumalatha, Rajeswari, Rajeswari

“…The video coder and decoder (CODEC) standards from MPEG-4 to the recent versatile video codec (VVC…”
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Motion Estimation Based on Spline Interpolation in H.264/AVC Video Coder for Videoconferencing Application: Performance Versus Computation Load Autor Mokraoui, Anissa, Muñoz-Jiménèz, Vianney, Astruc, Jean-Pierre

“…The powerful H.264/AVC video coder involves a large encoding computational cost than the existing video standards due mainly to the motion-compensated estimation scheme based on a full search of multiple reference…”
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Optimal mode selection for a pulsed-quality dual-frame video coder Autor Leontaris, A., Chellappa, V., Cosman, P.C.

“…A dual-frame video coder employs two past reference frames for motion compensated prediction…”
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Integrated wireless access for videoconference from MPEG-4 and H.263 video coders with voice, E-mail, and web traffic Autor Koutsakis, P., Psychis, S., Paterakis, M.

“…In this paper, a new medium access control protocol for wireless communications, named Multimedia Integration Multiple Access Control (MI-MAC), is presented…”
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High-Efficiency Video Coder in Pruned Environment Using Adaptive Quantization Parameter Selection Autor Kumar, Krishan, Abouhawwash, Mohamed, Kant Pandit, Amit, Mahajan, Shubham, A. Hogo, Mofreh

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Generalized Gaussian Distribution Based Distortion Model for the H.266/VVC Video Coder Autor Wang, Hongkui, Liang, Junhui, Yu, Li, Gu, Yiying, Yin, Haibing

“… In this paper, a frame-level coding distortion model is proposed for VVC video coders for the first time…”
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Efficiency enhancement of K-multi constraints paths in hybrid video coder using information based quantization method Autor Kumar, Krishan, Kumar, Rajender, Mahajan, Shubham, Pandit, Amit Kant

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Enhanced MC-EZBC Scalable Video Coder Autor Wu, Yongjun, Hanke, Konstantin, Rusert, Thomas, Woods, John W.

“…In this paper, we provide some recent extensions to the scalable subband/wavelet video coder MC-EZBC…”
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Survey on Algorithm and VLSI Architecture for MPEG-Like Video Coder Autor Yin, Haibing, Jia, Huizhu, Zhou, Jun, Gao, Zhiyong

“…Efficient and dedicated hardware architecture and accelerator micro-engines are crucial implementation forms of MPEG-like video coder…”
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A Hybrid Video Coder Based on Extended Macroblock Sizes, Improved Interpolation, and Flexible Motion Representation Autor Karczewicz, Marta, Peisong Chen, Joshi, Rajan L., Xianglin Wang, Wei-Jung Chien, Panchal, Rahul, Reznik, Yuriy, Coban, Muhammed, In Suk Chong

“…This paper describes a video coding technology proposal submitted by Qualcomm in response to a joint call for proposals (CfP…”
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Call-admission-control and traffic-policing mechanisms for the transmission of videoconference traffic from MPEG-4 and H.263 video coders in wireless ATM networks Autor Koutsakis, P., Paterakis, M.

“… We focus on both MPEG-4 and H.263 coded movies, as the integration of such video streams has not been studied in the relevant literature. In the case of H.263 movies, our scheme achieves high aggregate channel throughput, while preserving the very strict quality-of-service requirements of the video traffic…”
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