165 search results - page 21 / 33 » Effective Multiple Vector Quantization for Image Compression |
TIP
2002
14 years 9 months ago
2002
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to impr...
ISCAS
2003
IEEE
15 years 2 months ago
2003
IEEE
We propose a blind watermarking technique to embed multiple watermarks simultaneously. It allows the use of correlated key to embed multiple watermarks. A dual-key system is used ...
ICPR
2004
IEEE
15 years 10 months ago
2004
IEEE
Support vector machines (SVMs) have become one of the most promising techniques for relevance feedback in content-based image retrieval (CBIR). Typical SVM-based relevance feedbac...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
In standard predictive video coders, intra-mode coding of macroblocks (MBs) provides packet loss resilience, at the cost of reduced compression efficiency. Conventional mode selec...
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ICIP
2008
IEEE
15 years 3 months ago
2008
IEEE
The robust transmission of video sequences over wireless LANs presents several challenging problems concerning the presence of packet losses, delays, and bandwidth limitations. Th...