SIFT-based Elastic sparse coding for image retrieval.
Jun ShiZhiguo JiangHao FengLiguo ZhangPublished in: ICIP (2012)
Keyphrases
- sparse coding
- image retrieval
- image representation
- visual words
- dictionary learning
- natural images
- sparse representation
- image classification
- feature space
- linear combination
- visual features
- unsupervised learning
- discriminative power
- keypoints
- sparse codes
- generative model
- single image super resolution
- bag of words
- image content
- object recognition
- image patches
- person re identification
- multiscale
- image matching
- object category recognition
- image features
- high dimensional
- ground truth
- image annotation
- spatial information
- bayesian networks
- data sets