3186 search results - page 282 / 638 » A hemispherical imaging camera |
162
click to vote
ITIIS
2010
15 years 4 months ago
2010
Iris recognition is a biometric technique which uses unique iris patterns between the pupil and sclera. The advantage of iris recognition lies in high recognition accuracy; howeve...
162
click to vote
JSS
2008
15 years 6 months ago
2008
Spatial relationships are important issues for similarity-based retrieval in many image database applications. With the popularity of digital cameras and the related image process...
159
click to vote
CVPR
2009
IEEE
17 years 1 months ago
2009
IEEE
In this paper, we propose a method for estimating the
optical center of a camera given only a single image with
vignetting. This is accomplished by identifying the center
of the...
233
Voted
CVPR
1997
IEEE
16 years 8 months ago
1997
IEEE
We define a new image feature called the color correlogram and use it for image indexing and comparison. This feature distills the spatial correlation of colors, and is both effec...
164
click to vote
CVPR
2010
IEEE
16 years 2 months ago
2010
IEEE
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients o...