71 search results - page 3 / 15 » Compressed Domain Transcoding of MPEG |
187
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TCSV
2008
15 years 3 months ago
2008
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...
122
Voted
ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
In this paper, a fast transform method is proposed to convert MPEG-2 8-tap discrete cosine transform (DCT) coefficients to H.264/AVC 4-tap integer transform coefficients directly ...
113
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ISCAS
2003
IEEE
15 years 9 months ago
2003
IEEE
In order to obtain optimal visual quality while meeting the bit rate requirements, a video transcoder needs efficient rate-control with fine and dynamic adjustments. This paper pr...
129
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ICIAP
2005
ACM
16 years 4 months ago
2005
ACM
To improve video quality and coding efficiency, H.264/AVC [1] has adopted several newer coding tools such as a 4?4 integer DCT and a method for calculating half pixels than the pre...
137
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ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
Abstract— In this paper, we focus on 2 : 1 spatial resolution downscaling transcoding from MPEG-2 to WMV. We propose two architectures (for sequences with or without B-frames res...