85 search results - page 17 / 17 » Efficient Bit Allocation and Rate Control Algorithms for Hie... |
TIP
2002
13 years 4 months ago
2002
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...
WCNC
2008
IEEE
13 years 11 months ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
IEEEMSP
2002
IEEE
13 years 9 months ago
2002
IEEE
—This paper presents an operational rate-distortion (ORD) optimal approach for skeleton-based boundary encoding. The boundary information is first decomposed into skeleton and di...
WWW
2007
ACM
14 years 5 months ago
2007
ACM
Peer-to-peer technologies are increasingly becoming the medium of choice for delivering media content, both professional and homegrown, to large user populations. Indeed, current ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
–Retransmission based schemes are not suitable for energy constrained wireless sensor networks. Hence, there is an interest in including parity bits in each packet for error cont...