Robust image recapture detection using a K-SVD learning approach to train dictionaries of edge profiles.
Thirapiroon ThongkamwitoonHani MuammarPier Luigi DragottiPublished in: ICIP (2014)
Keyphrases
- sparse representation
- dictionary learning
- multiscale
- edge detection
- learning algorithm
- input image
- edge map
- image classification
- single image
- image retrieval
- image features
- gray value
- partial occlusion
- spatial information
- discriminative power
- supervised learning
- image segmentation
- image edges
- small image patches
- image restoration
- image representation
- unsupervised learning
- markov random field
- object detection
- high resolution