793 search results - page 23 / 159 » Matching images more efficiently with local descriptors |
ICB
2009
Springer
13 years 5 months ago
2009
Springer
We present in this communication a new biometric system based on the use of hand veins acquired by an infrared imager. After the preprocessing stage and binarization, the vein imag...
CVPR
2009
IEEE
14 years 2 months ago
2009
IEEE
Given an image region of pixels, second order statistics can be used to construct a descriptor for object representation. One example is the covariance matrix descriptor, which sh...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
Matching local features across images is often useful when comparing or recognizing objects or scenes, and efficient techniques for obtaining image-to-image correspondences have b...
CGF
2006
13 years 7 months ago
2006
Image-based representations of an object profit from known geometry. The more accurate this geometry is known, the better corresponding pixels in the different images can be align...
BMVC
2002
13 years 10 months ago
2002
This paper approaches the problem of finding correspondences between images in which there are large changes in viewpoint, scale and illumination. Recent work has shown that scale...