218 search results - page 13 / 44 » Directional Discrete Cosine Transforms for Image Coding |
VCIP
2003
13 years 11 months ago
2003
Two types of coders dominate the field of video compression research today: well-established hybrid coders, that are in the core of all MPEG and H.26X standards, and emerging thr...
IAJIT
2008
13 years 9 months ago
2008
: The recent explosion in digital video storage and delivery has presented strong motivation for high performance video compression solutions. An efficient video compression techni...
DCC
2008
IEEE
14 years 9 months ago
2008
IEEE
This paper presents a scheme to design directional lapped transforms. Lapped transforms can be factorized into lifting steps. By introducing directional operator into each lifting...
JEI
2006
13 years 9 months ago
2006
A robust, invisible watermarking scheme is proposed for digital images, where the watermark is embedded using the blockbased lapped orthogonal transform (LOT). The embedding proces...
ICIP
2002
IEEE
14 years 2 months ago
2002
IEEE
—Several techniques based on the three–dimensional (3-D) discrete cosine transform (DCT) have been proposed for volumetric data coding. These techniques fail to provide lossles...