25175 search results - page 29 / 5035 » MPEG-4 systems and applications |
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
We examine the bit rate variability-distortion (VD) curve of I, P, and B frames of MPEG-4 VBR encoded video sequences. We show that the concave VD curve shape at high compression ...
CPE
2003
Springer
14 years 2 months ago
2003
Springer
With EvalVid1 we present a complete framework and tool-set for evaluation of the quality of video transmitted over a real or simulated communication network. Besides measuring QoS ...
AMDO
2006
Springer
14 years 1 months ago
2006
Springer
We present a simple and computationally feasible method to perform automatic emotional classification of facial expressions. We propose the use of 10 characteristic points (that ar...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
The encoding of shape information is a distinguishing feature of MPEG-4. In error prone communication networks, it is important and efficient to conceal shape errors spatially, so...
ICIP
2005
IEEE
14 years 11 months ago
2005
IEEE
The diversity of end-terminal and access network capabilities as well as the dynamic nature of wireless connections pose significant challenges to providers of multimedia streamin...