Structured sparse coding for image denoising or pattern detection.
Sofia KarygianniPascal FrossardPublished in: ICASSP (2014)
Keyphrases
- sparse coding
- image denoising
- pattern detection
- natural images
- denoising
- multiscale
- noisy images
- total variation
- image patches
- object recognition
- higher order
- input image
- image classification
- sparse representation
- image processing
- unsupervised learning
- linear combination
- image deblurring
- test images
- image representation
- generative model
- denoising algorithm
- image segmentation
- wavelet coefficients
- computer vision
- feature extraction
- augmented lagrangian