VTC
2006
IEEE
13 years 10 months ago
2006
IEEE
— In this paper, we evaluate a cognitive radio transceiver employing both non-contiguous multicarrier modulation (NC-MCM) and adaptive bit allocation. Although NCMCM and bit allo...
ICMCS
2006
IEEE
13 years 10 months ago
2006
IEEE
Wireless communication of video poses constraints on information capacity. Region-of-Interest (ROI) video coding provides higher quality in the ROI, but poorer quality in the back...
ICMCS
2006
IEEE
13 years 10 months ago
2006
IEEE
MCTF has been widely used in wavelet based video coding due to its attractive features. For MCTF based codecs, a fundamental question is how to allocate bits to each temporal band...
PCM
2007
Springer
13 years 10 months ago
2007
Springer
This paper presents a novel frame-layer rate control technique that adaptively determines the frame complexity for bit allocation in order to satisfy the target bit-rate constraint...
ISCAS
2007
IEEE
13 years 11 months ago
2007
IEEE
— Existing video coding methods can cause visual quality and buffer occupancy to fluctuate significantly at scene cuts. To address this problem, we have developed a novel visual ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—A computationally efficient optimal discrete bit allocation algorithm is proposed for medium and high target bit rate discrete multitone (DMT) transmissions. Unlike conventional...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
Multiple Description coding has been recently proposed for images and video transmission in packet erasure channels because of its good loss recovery capability. In this paper, we...