44 search results - page 2 / 9 » DCT approximation for low bit rate coding using a conditiona... |
ICIP
1999
IEEE
14 years 7 months ago
1999
IEEE
ESTIMEDIA
2004
Springer
13 years 9 months ago
2004
Springer
This paper presents a new adaptive scheme to reduce the computation energy of the discrete cosine transform (DCT) architecture for image/video coding. The scheme employs the noise ...
APCCAS
2006
IEEE
13 years 11 months ago
2006
IEEE
— The DCT-based JPEG standard is certainly one of the most successful applications of transform coding methods for still digital images. A commonly recognized disadvantage of the...
PCM
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. In many rate control models, a uniform weighted distortion has been assumed; that is, the DCT coefficients of the motioncompensation difference frames (residues) conform...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
This paper presents an objective metric for the perceived quality of low bit rate compressed video. Frames are decomposed into several frequency bands at multiple scales and a mot...