944 search results - page 186 / 189 » An evaluation of image based steganography methods |
TOG
2008
13 years 8 months ago
2008
We present a real-time algorithm called compensated ray marching for rendering of smoke under dynamic low-frequency environment lighting. Our approach is based on a decomposition ...
TIFS
2008
13 years 8 months ago
2008
Performance of biometric-based recognition systems depends on various factors: database quality, image preprocessing, encoding techniques, etc. Given a biometric database and a se...
CVPR
2011
IEEE
13 years 4 months ago
2011
IEEE
Shape matching has many applications in computer vision, such as shape classification, object recognition, object detection, and localization. In 2D cases, shape instances are 2D c...
NIPS
2007
13 years 9 months ago
2007
Stimulus selectivity of sensory neurons is often characterized by estimating their receptive field properties such as orientation selectivity. Receptive fields are usually deriv...
ICCV
2009
IEEE
13 years 6 months ago
2009
IEEE
Recognizing human action in non-instrumented video is a challenging task not only because of the variability produced by general scene factors like illumination, background, occlu...