2265 search results - page 273 / 453 » On the Power of Local Orientations |
174
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ECCV
2008
Springer
16 years 8 months ago
2008
Springer
Shadows are one of the most significant difficulties of the photometric stereo method. When four or more images are available, local surface orientation is overdetermined and the s...
145
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ICIP
2007
IEEE
16 years 8 months ago
2007
IEEE
We propose and evaluate a method to identify tornadoes automatically in Doppler radar imagery by detecting hook echoes, which are important signatures of tornadoes, in Doppler rad...
169
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ICIP
2006
IEEE
16 years 8 months ago
2006
IEEE
For the first time, we present an AM-FM image model that, in addition to being remarkably consistent with human visual perception, also provides perfect reconstruction of the imag...
184
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ICIP
2004
IEEE
16 years 8 months ago
2004
IEEE
We introduce a 3-D parametric active contour algorithm for the shape estimation of DNA molecules from stereo cryo-electron micrographs. We consider a 3-D filament (consisting of a...
397
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ICPR
2008
IEEE
16 years 7 months ago
2008
IEEE
We propose a novel set of medial feature interest points based on gradient vector flow (GVF) fields [18]. We exploit the long ranging GVF fields for symmetry estimation by calcula...