55 search results - page 5 / 11 » Reduced DCT approximations for low bit rate coding |
IJNSEC
2007
13 years 7 months ago
2007
In this paper, we propose a discrete cosine transform (DCT) based spread spectrum data-hiding algorithm that is resilient to statistical attacks. Unlike other spread spectrum base...
TCOM
2011
13 years 2 months ago
2011
Bit-interleaved coded modulation (BICM) has become the de facto coding standard for communication systems. Recently, BICM has been cast as a mismatched decoding scheme due to the ...
TIP
2010
13 years 6 months ago
2010
—Motion scalability is designed to improve the coding efficiency of a scalable video coding framework, especially in the medium to low range of decoding bit rates and spatial re...
TASLP
2002
13 years 7 months ago
2002
Perceptual audio coders use an estimated masked threshold for the determination of the maximum permissible just-inaudible noise level introduced by quantization. This estimate is d...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper proposes several low complexity algorithmic modifications to the SPIHT (Set Partitioning in Hierarchical Trees) image coding method of [3]. The modifications exploit un...