Modeling and recognizing action contexts in persons using sparse representation.
Hui-Fen ChiangJun-Wei HsiehChi-Hung ChuangKai-Ting ChuangYilin YanPublished in: J. Vis. Commun. Image Represent. (2015)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- compressed sensing
- compressive sensing
- image classification
- regularized least squares
- random projections
- joint optimization
- negative matrix factorization
- image patches
- reconstruction error
- object tracking
- sparse approximations
- image representation
- norm minimization
- test images
- signal processing
- sparse codes
- piecewise smooth
- neural network
- data analysis
- image data
- small number