2323 search results - page 226 / 465 » Illumination-Invariant Change Detection |
190
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ISMAR
2009
IEEE
16 years 1 months ago
2009
IEEE
We propose a technique for text document tracking over a large range of viewpoints. Since the popular SIFT or SURF descriptors typically fail on such documents, our method conside...
154
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MMSP
2008
IEEE
16 years 1 months ago
2008
IEEE
A new chroma-based dynamic feature vector is proposed inspired by psychophysical observations that the human auditory system detects relative pitch changes rather than absolute pi...
161
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SECON
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract— In most sensor networks the nodes are static. Nevertheless, the node connectivity is subject to changes because of disruptions in wireless connectivity, transmission po...
185
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ICASSP
2007
IEEE
16 years 1 months ago
2007
IEEE
One of the main dif culties in echo cancellation is the fact that the learning rate needs to vary according to conditions such as double-talk and echo path change. Several methods...
158
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EGOV
2007
Springer
16 years 26 days ago
2007
Springer
It is widely perceived that the nature of ICT is changing and so is the scale of the resulting economic and societal impact around Europe. Continued and accelerating technological ...