Block-wise constrained sparse graph for face image representation.
Handong ZhaoZhengming DingYun FuPublished in: FG (2015)
Keyphrases
- image representation
- block wise
- sparse coding
- compressive sensing
- sparse representation
- multiscale
- image classification
- bag of words
- quadtree
- image retrieval
- object recognition
- image features
- visual words
- scene classification
- order statistics
- bag of features
- face images
- feature space
- facial expressions
- image blocks
- feature extraction
- data mining
- input image
- wavelet transform
- high dimensional
- image processing
- machine learning