Sciweavers

555 search results - page 20 / 111
» Polar codes are optimal for lossy source coding
Sort
View
TIT
1998
90views more  TIT 1998»
13 years 7 months ago
Source Codes as Random Number Generators
—A random number generator generates fair coin flips by processing deterministically an arbitrary source of nonideal randomness. An optimal random number generator generates asy...
Karthik Visweswariah, Sanjeev R. Kulkarni, Sergio ...
JMM2
2007
119views more  JMM2 2007»
13 years 7 months ago
Color Image Compression with Modified Fractal Coding on Spiral Architecture
—The proposed approach (CICMFCSA), firstly, compose the one-plane image using the pixel’s trichromatic coefficients. One-plane image in traditional square structure is represen...
Nileshsingh V. Thakur, O. G. Kakde
ICMCS
2006
IEEE
93views Multimedia» more  ICMCS 2006»
14 years 1 months ago
A New Joint Source-Channel Modeling Approach for Adaptive FEC Code Rate Decision
We propose a joint source-channel modeling approach for adaptively determining the quality-optimal FEC code rate. Our objective is to obtain the optimal video quality in the recei...
Yo-Won Jeong, Jae Kwon, Jae-kyoon Kim, Kyu Ho Park
ICMCS
2007
IEEE
149views Multimedia» more  ICMCS 2007»
14 years 1 months ago
Joint Source Coding and Data Rate Adaptation for Multi-User Wireless Video Transmission
Much attention has been paid to the problem of optimally utilizing resources such as spectrum, power and time in order to achieve the best video delivery quality in wireless commu...
Fan Zhai, Zhu Li, Aggelos K. Katsaggelos
MM
1995
ACM
100views Multimedia» more  MM 1995»
13 years 11 months ago
Fast Lossy Internet Image Transmission
Images are usually transmitted across the Internet using a lossless protocol such as TCP/IP. Lossless protocols require retransmission of lost packets, which substantially increas...
John M. Danskin, Geoffrey M. Davis, Xiyong Song