Improving Face Image Representation Using Tangent Vectors and the L1 Norm.
Zhicheng LuZhizheng LiangLei ZhangJin LiuYong ZhouPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2016)
Keyphrases
- image representation
- multiscale
- image classification
- object recognition
- bag of words
- feature representations
- image content
- image features
- quadtree
- feature space
- feature vectors
- face images
- sparse coding
- bag of visual words
- receptive fields
- image retrieval
- scene classification
- pattern representation
- sparse representation
- scene recognition
- data structure
- visual words
- compressive sensing
- scene categorization
- linear quadtree