616 search results - page 55 / 124 » DCT Based High Quality Image Compression |
175
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MMSEC
2006
ACM
15 years 9 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
108
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ICIP
1998
IEEE
16 years 4 months ago
1998
IEEE
Motion estimation represents the most computationally intensive task for all efficient motion compensated compression standards. This fact, despite the several eflorts aiming at r...
155
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CGF
2011
14 years 6 months ago
2011
High-dimensional data visualization is receiving increasing interest because of the growing abundance of highdimensional datasets. To understand such datasets, visualization of th...
106
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ICASSP
2007
IEEE
15 years 9 months ago
2007
IEEE
Flickering is a temporal visual artifact that affects compressed video. It is prominent in intra-frame video coders and is largely the result of content variations and quantizatio...
144
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INFOCOM
2012
IEEE
13 years 5 months ago
2012
IEEE
—We study the problem of scalable monitoring of operational 3G wireless networks. Threshold-based performance monitoring in large 3G networks is very challenging for two main fac...