Color shrinkage for sparse coding of color images.
Takahiro SaitoYasutaka UedaTakashi KomatsuPublished in: EUSIPCO (2010)
Keyphrases
- color images
- sparse coding
- natural images
- dictionary learning
- color information
- color space
- sparse representation
- image classification
- linear combination
- image representation
- image processing
- denoising
- unsupervised learning
- image denoising
- single image super resolution
- generative model
- discriminative power
- color components
- image patches
- feature space
- visual words
- sparse codes
- bag of words
- higher order
- high dimensional
- multiscale
- high quality
- data sets
- object category recognition
- signal processing
- image features
- computer vision
- learning algorithm