1201 search results - page 120 / 241 » Multi-valued Images and Their Separation |
259
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
Commercial aerial imagery websites, such as Google Maps, MapQuest, Microsoft Virtual Earth, and Yahoo! Maps, provide high- seamless orthographic imagery for many populated areas, ...
184
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TMI
2008
15 years 6 months ago
2008
Abstract-- The projection data measured in computed tomography (CT) and, consequently, the slices reconstructed from these data are noisy. We present a new wavelet based structurep...
173
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ICCV
2007
IEEE
16 years 8 months ago
2007
IEEE
We present a nonparametric mode-seeking algorithm, called medoidshift, based on approximating the local gradient using a weighted estimate of medoids. Like meanshift, medoidshift ...
175
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DMKD
2004
ACM
15 years 12 months ago
2004
ACM
Cluster analysis is a common approach to pattern discovery in spatial databases. While many clustering techniques have been developed, it is still challenging to discover implicit...
158
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AMFG
2003
IEEE
15 years 11 months ago
2003
IEEE
Recognition under illumination variations is a challenging problem. The key is to successfully separate the illumination source from the observed appearance. Once separated, what ...