Image colorization using sparse representation.
Jiahao PangOscar C. AuKetan TangYuanfang GuoPublished in: ICASSP (2013)
Keyphrases
- sparse representation
- image classification
- image representation
- test images
- reconstruction error
- piecewise smooth
- input image
- image data
- dictionary learning
- face recognition
- multiscale
- sparse reconstruction
- image features
- single image
- sparse coding
- sparse coefficients
- image retrieval
- segmented images
- segmentation method
- color transfer
- image patches
- image regions
- image set
- random projections
- compressive sensing
- image reconstruction
- gray scale
- basis vectors
- signal processing
- joint optimization
- high resolution
- image segmentation
- feature extraction
- pattern recognition
- interpolation method
- low dimensional
- image restoration
- data sets
- bag of words