272 search results - page 15 / 55 » Unsupervised Learning of Hierarchical Spatial Structures In ... |
ICIAR
2007
Springer
14 years 4 months ago
2007
Springer
This paper presents a closed edge detection method based on a level lines selection approach. The proposed method is based on an unsupervised probabilistic scheme using an a contra...
DAGM
2006
Springer
14 years 2 months ago
2006
Springer
Recently, many approaches have been proposed for visual object category detection. They vary greatly in terms of how much supervision is needed. High performance object detection m...
CVPR
2009
IEEE
15 years 5 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 ...
CIVR
2006
Springer
14 years 2 months ago
2006
Springer
We propose a novel Bayesian learning framework of hierarchical mixture model by incorporating prior hierarchical knowledge into concept representations of multi-level concept struc...
ICPR
2010
IEEE
13 years 11 months ago
2010
IEEE
—This paper presents a method to find salient image points in images with regular patterns based on deviations from the overall manifold structure. The two main contributions ar...