Image deconvolution under poisson noise using sparse representations and proximal thresholding iteration.
François-Xavier DupéMohamed-Jalal FadiliJean-Luc StarckPublished in: ICASSP (2008)
Keyphrases
- image deconvolution
- sparse representation
- denoising
- image restoration
- noise model
- sparse coding
- image deblurring
- image processing
- image denoising
- face recognition
- image classification
- total variation
- blurred images
- noise removal
- image patches
- signal processing
- gray level
- edge detection
- noisy images
- image representation
- super resolution
- edge preserving
- high dimensional data
- natural images
- blind deconvolution
- image segmentation
- markov random field
- dimensionality reduction
- convex relaxation
- regularization parameter
- gaussian noise
- objective function
- post processing
- multiscale