44 search results - page 9 / 9 » DCT approximation for low bit rate coding using a conditiona... |
EVOW
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Overcompression is the process of post-processing compressed images to gain either further size reduction or improved quality. This is made possible by the fact that the ...
LANC
2009
ACM
13 years 12 months ago
2009
ACM
In this paper, we show how the proposed model in ITU-T Recommendation G.1070 “Opinion model for video-telephony applications” cannot model properly the perceptual video qualit...
ICIP
1998
IEEE
13 years 9 months ago
1998
IEEE
The block-matching motion estimation algorithm using a translational motion model cannot provide acceptable image quality in low bit-rate coding. To improve coding performance, we ...
TASLP
2008
13 years 4 months ago
2008
We propose in this paper a backward-compatible multichannel audio codec. This codec represents a multichannel audio input signal by a down mix and parametric data. In order to enab...