Hierarchical spatial pyramid max pooling based on SIFT features and sparse coding for image classification.
Hong HanQiqiang HanXiaojun LiJianyin GuPublished in: IET Comput. Vis. (2013)
Keyphrases
- image classification
- sparse coding
- visual words
- bag of words
- dictionary learning
- sift descriptors
- image representation
- visual features
- discriminative power
- bag of features
- image features
- sparse representation
- scale invariant feature transform
- object categories
- feature extraction
- multi label
- unsupervised learning
- co occurrence
- active learning
- multiscale