Sciweavers

10 search results - page 2 / 2
» A New Quantization for Rate Control with Frame Variation Con...
Sort
View
PCM
2007
Springer
136views Multimedia» more  PCM 2007»
13 years 11 months ago
Laplacian Distortion Model (LDM) for Rate Control in Video Coding
Abstract. In many rate control models, a uniform weighted distortion has been assumed; that is, the DCT coefficients of the motioncompensation difference frames (residues) conform...
Long Xu, Xiangyang Ji, Wen Gao, Debin Zhao
TIP
2002
114views more  TIP 2002»
13 years 4 months ago
New architecture for dynamic frame-skipping transcoder
Abstract--Transcoding is a key technique for reducing the bitrate of a previously compressed video signal. A high transcoding ratio may result in an unacceptable picture quality wh...
Kai-Tat Fung, Yui-Lam Chan, Wan-Chi Siu
MMS
2008
13 years 4 months ago
Evalvid-RA: trace driven simulation of rate adaptive MPEG-4 VBR video
Due to the increasing deployment of conversational real-time applications like VoIP and videoconferencing, the Internet is today facing new challenges. Low end-to-end delay is a vi...
Arne Lie, Jirka Klaue
CCGRID
2008
IEEE
13 years 11 months ago
Modeling "Just-in-Time" Communication in Distributed Real-Time Multimedia Applications
—The research area of Multimedia Content Analysis (MMCA) considers all aspects of the automated extraction of new knowledge from large multimedia data streams and archives. In re...
R. Yang, Robert D. van der Mei, D. Roubos, Frank J...
TCSV
2002
132views more  TCSV 2002»
13 years 4 months ago
A study of real-time packet video quality using random neural networks
An important and unsolved problem today is the automatic quantification of the quality of video flows transmitted over packet networks. In particular, the ability to perform this ...
Samir Mohamed, Gerardo Rubino