1344 search results - page 55 / 269 » Quantization |
AINA
2009
IEEE
14 years 4 months ago
2009
IEEE
The two most important aspects of any imagebased steganographic system are the imperceptibility and the capacity of the stego image. This paper evaluates the performance and effic...
PIMRC
2008
IEEE
14 years 4 months ago
2008
IEEE
: We propose an improved beamforming matrix compression by Givens Rotation with the use of variable feedback rate. The variable feedback rate means that the number of bits used to ...
DNIS
2007
Springer
14 years 4 months ago
2007
Springer
The purpose of this paper is to support the sustainable creation of conversation content. My approach is from the viewpoint of conversational records as materials for new conversat...
MMSEC
2004
ACM
14 years 3 months ago
2004
ACM
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
DCC
2000
IEEE
14 years 2 months ago
2000
IEEE
This paper contains two contributions to very-low-bitrate video coding. First, we show that in contrast to common practice incremental techniques for rate-distortion optimization ...