Discriminant sparse coding for image classification.
Bao-Di LiuYu-Xiong WangYu-Jin ZhangYin ZhengPublished in: ICASSP (2012)
Keyphrases
- feature vectors
- image classification
- sparse coding
- feature extraction
- image features
- dictionary learning
- locality preserving projections
- sparse representation
- visual words
- bag of words
- discriminative power
- image representation
- single image super resolution
- principal component analysis
- person re identification
- face images
- subspace learning
- visual recognition
- sparse codes
- pattern recognition
- feature selection
- gaussian mixture model
- bag of visual words
- scene classification
- manifold structure
- spatial pyramid matching
- high quality
- codebook generation
- keypoints
- linear combination
- generative model
- maximum likelihood
- object recognition
- visual categorization
- machine learning