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ICMCS
2006
IEEE
181views Multimedia» more  ICMCS 2006»
13 years 10 months ago
A Fast Downsizing Video Transcoder for H.264/AVC with Rate-Distortion Optimal Mode Decision
This paper focuses on the mode decision and motion selection problem when H.264/AVC video streams are transcoded in spatial resolution. A fast downsizing transcoding scheme is dev...
Huifeng Shen, Xiaoyan Sun, Feng Wu, Houqiang Li, S...
ICIP
2007
IEEE
13 years 11 months ago
Joint Optimization of Transform Coefficients for Hierarchical B Picture Coding in H.264/AVC
Coding of video sequences using hierarchical B pictures in the Joint Scalable Video Model (JSVM) for the scalability amendment of H.264/AVC has the benefit of improved rate distor...
Martin Winken, Heiko Schwarz, Detlev Marpe, Thomas...
TCSV
2008
130views more  TCSV 2008»
13 years 4 months ago
Fast H.264/MPEG-4 AVC Transcoding Using Power-Spectrum Based Rate-Distortion Optimization
Since variable block-size motion compensation (MC) and rate-distortion optimization (RDO) techniques are adopted in H.264/MPEG-4 AVC, modes and motion vectors (MVs) in input stream...
Huifeng Shen, Xiaoyan Sun, Feng Wu
DATE
2010
IEEE
174views Hardware» more  DATE 2010»
13 years 2 months ago
An HVS-based Adaptive Computational Complexity Reduction Scheme for H.264/AVC video encoder using Prognostic Early Mode Exclusio
The H.264/AVC video encoder standard significantly improves the compression efficiency by using variable block-sized Inter (P) and Intra (I) Macroblock (MB) coding modes. In this p...
Muhammad Shafique, Bastian Molkenthin, Jörg H...
ICIP
2004
IEEE
14 years 6 months ago
Low-complexity macroblock mode selection for H.264/AVC encoders
Lagrangian minimization is one of the most powerful tools for Rate-Distortion optimal coding mode selection. However, in the latest video compression standard H.264/AVC, the total...
Hyungjoon Kim, Yucel Altunbasak