A Joint Optimization Framework of Sparse Coding and Discriminative Clustering.
Zhangyang WangYingzhen YangShiyu ChangJinyan LiSimon FongThomas S. HuangPublished in: IJCAI (2015)
Keyphrases
- sparse coding
- joint optimization
- sparse representation
- unsupervised learning
- discriminative power
- dictionary learning
- sparse codes
- object category recognition
- clustering algorithm
- image classification
- linear combination
- alternating optimization
- natural images
- semi supervised
- k means
- feature selection
- learning algorithm
- norm minimization
- machine learning