Dictionary learning based on discriminative energy contribution for image classification.
Wenjie ZhuYunhui YanYishu PengPublished in: Knowl. Based Syst. (2016)
Keyphrases
- image classification
- sparse codes
- dictionary learning
- sparse coding
- sparse representation
- class specific
- object category recognition
- discriminative power
- discriminative dictionary
- feature extraction
- image representation
- visual recognition
- bag of words
- classifier training
- group sparsity
- image features
- image super resolution
- visual categorization
- visual words
- linear combination
- unsupervised learning
- face recognition
- computer vision
- neural network