428 search results - page 72 / 86 » Unsupervised mammograms segmentation |
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
Unsupervised over-segmentation of an image into superpixels is a common preprocessing step for image parsing algorithms. Ideally, every pixel within each superpixel region will be...
MTA
2006
13 years 7 months ago
2006
In this paper, an object-based video retrieval methodology for search in large, heterogeneous video collections is presented. The proposed approach employs a real-time, compressed-...
PAMI
2007
13 years 7 months ago
2007
—In this paper, we present a new model for deformations of shapes. A pseudolikelihood is based on the statistical distribution of the gradient vector field of the gray level. The...
BMVC
2010
13 years 5 months ago
2010
Local space-time features have recently shown promising results within Bag-of-Features (BoF) approach to action recognition in video. Pure local features and descriptors, however,...
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
We present a novel method for the discovery and detection of visual object categories based on decompositions using topic models. The approach is capable of learning a compact and...