616 search results - page 10 / 124 » DCT Based High Quality Image Compression |
PCM
2004
Springer
14 years 3 months ago
2004
Springer
The paper presents a novel video watermarking scheme called Mapping Energy video Watermarking (MEW) for copyright protection. The watermark is embedded in the compressed domain and...
ACIVS
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. A novel frequency domain technique for image blocking artifact reduction is presented in this paper. For each block, its DC and AC coefficients are recalculated for artif...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
For the conventional downscaling video transcoder. the video server would be to first decompress the video, perform the downscaling operation in the pixel domain. and then recompr...
TIP
2008
13 years 10 months ago
2008
In image communication over lossy packet networks (e.g., cell phone communication) packet loss errors lead to damaged images. Damaged images can be repaired with passive error conc...
JEI
1998
13 years 9 months ago
1998