Restoring STM images via Sparse Coding: noise and artifact removal.
João Pedro OliveiraAna BragançaJosé M. Bioucas-DiasMário A. T. FigueiredoLuís AlcácerJorge MorgadoQuirina FerreiraPublished in: CoRR (2016)
Keyphrases
- sparse coding
- image classification
- dictionary learning
- object category recognition
- image data
- natural images
- ground truth
- input image
- sparse representation
- test images
- spatial pyramid matching
- linear combination
- basis vectors
- image statistics
- object recognition
- spatial information
- image representation
- small number
- image features
- input data
- image retrieval
- feature extraction
- data points
- unsupervised learning
- image regions
- data sets
- image annotation
- prior knowledge
- edge detection