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154
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ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
This paper proposes a new approach to combined spatial (Intra) prediction and adaptive transform coding in block-based video and image compression. Context-adaptive spatial predic...
203
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Publication
Still and multi-media images are subject to transformations for compression, steganographic embedding and digital watermarking. In a major program of activities we are engaged in t...
118
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ISCAS
1993
IEEE
15 years 6 months ago
1993
IEEE
An image compression system based on transform coding and zonal sampling is presented. It is based on the wellknown Chen-Smith coder, but with an improved technique for transform ...
ICIP
2007
IEEE
16 years 3 months ago
2007
IEEE
Image authentication is important in content delivery via untrusted intermediaries, such as peer-to-peer (P2P) file sharing. Many differently encoded versions of the original imag...
106
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ICIP
2003
IEEE
16 years 3 months ago
2003
IEEE
Video coding algorithms based on 3-D wavelet transforms exist which have a competitive rate-distortion performance and are very fast because motion compensation is not needed. The...