Phase imaging via sparse coding in the complex domain based on high-order svd and nonlocal BM3D techniques.
Vladimir KatkovnikKaren O. EgiazarianJosé M. Bioucas-DiasPublished in: ICIP (2014)
Keyphrases
- high order
- sparse coding
- complex domains
- natural images
- higher order
- dictionary learning
- sparse representation
- singular value decomposition
- image denoising
- tensor analysis
- linear combination
- image classification
- generative model
- image representation
- denoising
- image processing
- unsupervised learning
- image patches
- reinforcement learning
- low rank
- subspace learning
- feature space
- domain theory
- markov random field
- computer vision
- pairwise
- bayesian networks
- visual words
- high resolution
- principal component analysis
- learning algorithm
- feature extraction
- test images
- object recognition
- high dimensional
- super resolution
- dimensionality reduction