Hierarchical BoW with segmental sparse coding for large scale image classification and retrieval.
Jianshe Zhou NarentuyaSheng TangJie LiuPublished in: Multim. Tools Appl. (2018)
Keyphrases
- sparse coding
- image classification and retrieval
- image representation
- bag of words
- visual words
- image classification
- dictionary learning
- sparse representation
- natural images
- unsupervised learning
- multiscale
- bag of visual words
- linear combination
- spatial pyramid matching
- object recognition
- generative model
- sparse codes
- feature space
- shape classification
- image features
- image retrieval
- scene classification
- discriminative dictionary
- feature extraction
- image patches
- visual features