A Proximal Iteration for Deconvolving Poisson Noisy Images Using Sparse Representations.
François-Xavier DupéMohamed-Jalal FadiliJean-Luc StarckPublished in: IEEE Trans. Image Process. (2009)
Keyphrases
- noisy images
- sparse representation
- image patches
- dictionary learning
- noise level
- image denoising
- denoising
- sparse coding
- edge detection
- face recognition
- regularized least squares
- compressive sensing
- signal processing
- image representation
- joint optimization
- image classification
- high dimensional data
- test images
- natural images
- dimensionality reduction
- sparse reconstruction
- piecewise smooth
- edge detection algorithm
- neural network
- wavelet coefficients
- image restoration
- linear combination
- higher order
- image data
- gaussian noise
- training set
- pattern recognition
- training data