133 search results - page 3 / 27 » A SIFT Descriptor with Global Context |
PSIVT
2009
Springer
14 years 27 days ago
2009
Springer
PCA-SIFT is an extension to SIFT which aims to reduce SIFT’s high dimensionality (128 dimensions) by applying PCA to the gradient image patches. However PCA is not a discriminati...
ICPR
2008
IEEE
14 years 24 days ago
2008
IEEE
Various local descriptors have been used successfully in a variety of tasks including object recognition. Although different descriptors have been shown to have different strength...
DAGM
2008
Springer
13 years 8 months ago
2008
Springer
Abstract. Probabilistic models with hidden variables such as probabilistic Latent Semantic Analysis (pLSA) and Latent Dirichlet Allocation (LDA) have recently become popular for so...
ICPR
2010
IEEE
13 years 6 months ago
2010
IEEE
Local invariant feature extraction methods are widely used for image-features matching. There exist a number of approaches aimed at the refinement of the matches between image-fe...
CVPR
2007
IEEE
14 years 8 months ago
2007
IEEE
In this paper, we investigate the effect of substantial inter-image intensity changes and changes in modality on the performance of keypoint detection, description, and matching a...