2142 search results - page 165 / 429 » Improved Conditional E-Payments |
146
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FOCS
2008
IEEE
16 years 10 days ago
2008
IEEE
We give near-optimal sketching and streaming algorithms for estimating Shannon entropy in the most general streaming model, with arbitrary insertions and deletions. This improves ...
142
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ICASSP
2008
IEEE
16 years 9 days ago
2008
IEEE
This paper considers the problem of obtaining an accurate spectral representation of speech formant structure when the voicing source exhibits a high fundamental frequency. Our wo...
159
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ICIP
2008
IEEE
16 years 9 days ago
2008
IEEE
This paper introduces a novel approach to the problem of active contour-based segmentation through the use of complexvalued wavelets. In traditional active contour-based segmentat...
158
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ICPR
2008
IEEE
16 years 9 days ago
2008
IEEE
Frame-skipping videos usually appear in wireless video sensor networks which have wirelessly interconnected devices that are able to ubiquitously retrieve video content from the e...
166
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ICPR
2008
IEEE
16 years 9 days ago
2008
IEEE
Facial feature tracking is a crucial and challenging task in computer vision. Recently online-learning methods have become increasingly popular on account of their strong ability ...