369 search results - page 16 / 74 » Recovering Illumination and Texture Using Ratio Images |
121
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ISCAS
2006
IEEE
15 years 5 months ago
2006
IEEE
— In this paper, the shift-invariant complex directional filter bank (CDFB) is proposed for texture image retrieval. By combining the Laplacian pyramid and the CDFB, a new image...
118
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CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
Camera spectral sensitivity plays an important role for various color-based computer vision tasks. Although several methods have been proposed to estimate it, their applicability ...
CVPR
2007
IEEE
16 years 1 months ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
114
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TOG
2008
14 years 11 months ago
2008
Capturing detailed surface geometry currently requires specialized equipment such as laser range scanners, which despite their high accuracy, leave gaps in the surfaces that must ...
170
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CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
We address the problem of recovering shape, albedo, and illumination from a single grayscale image of an object, using shading as our primary cue. Because this problem is fundamen...