380 search results - page 15 / 76 » A Unified Optimization Based Learning Method for Image Retri... |
CVPR
2011
IEEE
13 years 4 months ago
2011
IEEE
Where does the sparsity in image signals come from? Local and nonlocal image models have supplied complementary views toward the regularity in natural images the former attempts t...
MM
2004
ACM
14 years 4 days ago
2004
ACM
Subspace learning techniques are widespread in pattern recognition research. They include Principal Component Analysis (PCA), Locality Preserving Projection (LPP), etc. These tech...
ICDE
2000
IEEE
14 years 8 months ago
2000
IEEE
In this paper, we develop and test an approach to retrieving images from an image database based on content similarity. First, each picture is divided into many overlapping region...
ECCV
2000
Springer
14 years 8 months ago
2000
Springer
A novel algorithm is proposed to learn pattern similarities for texture image retrieval. Similar patterns in di erent texture classes are grouped into a cluster in the feature spac...
PAMI
2010
13 years 5 months ago
2010
—Facial expression is a natural and powerful means of human communication. Recognizing spontaneous facial actions, however, is very challenging due to subtle facial deformation, ...