326 search results - page 38 / 66 » Recovering Intrinsic Images using an Illumination Invariant ... |
PICS
2003
14 years 11 months ago
2003
In order to recover spectral reflectances or transmittances using a multispectral imaging based technique, it is necessary to know the spectral radiance of the illuminant used to ...
JMIV
2007
14 years 9 months ago
2007
Image and geometry processing applications estimate the local geometry of objects using information localized at points. They usually consider information about the tangents as a s...
AMFG
2003
IEEE
15 years 3 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 ...
PAMI
2010
14 years 8 months ago
2010
—Image category recognition is important to access visual information on the level of objects and scene types. So far, intensity-based descriptors have been widely used for featu...
CVPR
2010
IEEE
15 years 5 months ago
2010
IEEE
This paper addresses the problem of recognizing shadows from monochromatic natural images. Without chromatic information, shadow classification is very challenging because the in...