Sciweavers

MTA
2011
219views Hardware» more  MTA 2011»
13 years 5 months ago
Network-adaptive autonomic transcoding algorithm for seamless streaming media service of mobile clients
As a result of improvements in wireless communication technologies, a multimedia data streaming service can now be provided for mobile clients. Since mobile devices have low comput...
Dongmahn Seo, Inbum Jung
ICASSP
2009
IEEE
13 years 8 months ago
Transcoding based robust streaming of compressed video
A variety of techniques have been proposed to enhance the error robustness of the video streaming system. However, most of them improves the error resilience during compression ra...
Xiaopeng Fan, Oscar C. Au, Mengyao Ma, Ling Hou, J...
MM
2010
ACM
202views Multimedia» more  MM 2010»
13 years 9 months ago
Accelerated IPTV channel change with transcoded unicast bursting
We study video transcoding for accelerated channel changes in IPTV systems. Video transcoding at the Retransmission Server not only reduces the channel change latency, but also re...
Zhi Li, Ali C. Begen, Xiaoqing Zhu, Bernd Girod
TCSV
2002
78views more  TCSV 2002»
13 years 10 months ago
Local bandwidth constrained fast inverse motion compensation for DCT-domain video transcoding
DCT-based digital video coding standards such as MPEG and H.26x are becoming more widely adopted for multimedia applications. Since the standards differ in their format and syntax...
Shizhong Liu, Alan C. Bovik
TCSV
2008
139views more  TCSV 2008»
13 years 10 months ago
A Fast MB Mode Decision Algorithm for MPEG-2 to H.264 P-Frame Transcoding
Abstract--The H.264 standard achieves much higher coding efficiency than the MPEG-2 standard, due to its improved inter-and intra-prediction modes at the expense of higher computat...
Gerardo Fernández-Escribano, Hari Kalva, Pe...
TCSV
2008
130views more  TCSV 2008»
13 years 10 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
CN
2006
77views more  CN 2006»
13 years 11 months ago
Optimizing multimedia transcoding multicast trees
In this paper, network hosted transcoding is studied for the optimization of resources in multicast applications. The configuration is as follows: one source node is sending a sig...
Thijs Lambrecht, Bart Duysburgh, Tim Wauters, Fili...
ASSETS
2008
ACM
14 years 24 days ago
A user evaluation of the SADIe transcoder
The World Wide Web (Web) is a visually complex, dynamic, multimedia system that can be inaccessible to people with visual impairments. SADIe addresses this problem by using Semant...
Darren Lunn, Sean Bechhofer, Simon Harper
ASSETS
2007
ACM
14 years 2 months ago
SADIe: exposing implicit information to improve accessibility
The World Wide Web (Web) is a visually complex, multimedia system that can be inaccessible to people with visual impairments. SADIe addresses this problem by using Semantic Web te...
Darren Lunn
ISCAS
1999
IEEE
111views Hardware» more  ISCAS 1999»
14 years 3 months ago
Joint transcoding of multiple MPEG video bitstreams
This paper addresses the problem of bit-rate conversion of a previously compressed video. We provide an MPEG joint transcoder for transcoding several video bitstreams simultaneous...
Hani Sorial, William E. Lynch, André Vincen...