123 search results - page 17 / 25 » An Optimization Approach to Unsupervised Hierarchical Textur... |
CVPR
2009
IEEE
15 years 4 months ago
2009
IEEE
Scalable image retrieval systems usually involve hierarchical quantization of local image descriptors, which produces a visual vocabulary for inverted indexing of images. Although ...
GECCO
2007
Springer
14 years 3 months ago
2007
Springer
Crucial to the more widespread use of evolutionary computation techniques is the ability to scale up to handle complex problems. In the field of genetic programming, a number of d...
CVPR
2004
IEEE
14 years 11 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...
BMVC
2010
13 years 4 months ago
2010
Saliency detection is a well researched problem in computer vision. In previous work, most of the effort is spent on manually devising a saliency measure. Instead we propose a sim...
ICCV
2009
IEEE
13 years 6 months ago
2009
IEEE
This paper presents an approach to unsupervised segmentation of moving and static objects occurring in a video. Objects are, in general, spatially cohesive and characterized by lo...