55 search results - page 4 / 11 » Region-Based Video Segmentation Using DCT Coefficients |
TMM
2002
13 years 7 months ago
2002
In this paper a hybrid fractal and Discrete Cosine transform (DCT) coder is developed. Drawing on the ability of DCT to remove inter-pixel redundancies and on the ability of fracta...
VCIP
2000
13 years 9 months ago
2000
A new down-conversion scheme in the DCT domain is presented, which can be used in decoders of DCT-compressed images and videos. The down-conversion in the transform domain general...
Publication
Keyframe extraction constitutes a fundamental unit in many video retrieval-related applications. In the emerging research field of content-based video copy detection, efficient rep...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper proposes a practical content-dependent lowpower DCT design with tolerable quality drop. Lowpower issue has become more and more important, especially for portable devic...
ISCAS
2003
IEEE
14 years 27 days ago
2003
IEEE
Due to high computational complexity and quality degradation introduced by conventional frame-skipping transcoders, a DCT-based video frame-skipping transcoder is proposed recentl...