Non-negativity and locality constrained Laplacian sparse coding for image classification.
Ying ShiYuan WanKefeng WuXiaoli ChenPublished in: Expert Syst. Appl. (2017)
Keyphrases
- sparse coding
- image classification
- dictionary learning
- image representation
- sparse representation
- discriminative power
- visual words
- bag of words
- feature extraction
- visual recognition
- single image super resolution
- object category recognition
- person re identification
- natural images
- image features
- sparse codes
- unsupervised learning
- manifold structure
- codebook generation
- linear combination
- object recognition
- computer vision
- bag of features