Structured sparse coding for image representation based on L1-graph.
Weihua OuXinge YouYiu-ming CheungQinmu PengMingming GongXiubao JiangPublished in: ICPR (2012)
Keyphrases
- image representation
- sparse coding
- dictionary learning
- image classification
- multiscale
- sparse representation
- discriminative power
- bag of words
- image content
- visual words
- object recognition
- image features
- image retrieval
- scene recognition
- feature space
- compressive sensing
- image processing
- natural images
- unsupervised learning
- bag of visual words
- text mining
- image segmentation