Sciweavers

373 search results - page 2 / 75
» The H.263 Video Coding Standard: Complexity and Performance
Sort
View
ICIP
2000
IEEE
14 years 6 months ago
Performance Analysis of an H.263 Video Encoder for VIRAM
VIRAM (Vector Intelligent Random Access Memory) is a vector architecture processor with embedded memory, designed for portable multimedia processing devices. Its vector processing...
Thinh P. Q. Nguyen, Avideh Zakhor, Katherine A. Ye...
ICIP
2001
IEEE
14 years 6 months ago
Directed acyclic graph based mode optimization for H.263 video encoding
Optimal mode selection for video coding is important in minimizing visual distortion given a rate constraint, and it has been studied in the literature using a single previous mac...
G. Cheung
ISCAS
1999
IEEE
77views Hardware» more  ISCAS 1999»
13 years 9 months ago
A data embedding scheme for H.263 compatible video coding
We propose a novel data embedding scheme for H.263 video coding. The proposed method, which can protect important information such as picture header and motion vector, is specific...
Jie Song, K. J. Ray Liu
ESTIMEDIA
2003
Springer
13 years 10 months ago
Performance characterization of a low-cost video codec on portable devices
Bandwidth and processing requirements of conventional multimedia applications typically exceed capabilities of current technology portable terminals. Applications should hence be ...
Giulio Iannello, Luca Vollero, Francesco Delfino
ICIP
2009
IEEE
14 years 6 months ago
Mapping Motion Vectors For A Wyner-ziv Video Transcoder
Wyner-Ziv (WZ) coding of video utilizes simple encoders and highly complex decoders. A transcoder from a WZ codec to a traditional codec can potentially increase the range of appl...