Image restoration from a downsampled image by using the DCT.
Yoshinori AbeYouji IiguniPublished in: Signal Process. (2007)
Keyphrases
- image restoration
- restoration algorithm
- degraded images
- computer vision and image processing
- image restoration problems
- restoration method
- low level vision
- wiener filter
- restored image
- image deconvolution
- gaussian noise
- low level vision tasks
- super resolution
- total variation
- blind image restoration
- adaptive neighborhood
- image prior
- edge preserving
- kernel estimation
- image processing
- high resolution
- image segmentation
- markov random field
- input image
- blind deconvolution
- blurred images
- multiscale
- iterative image restoration
- random fields
- image deblurring
- pixel values
- edge detection
- natural images
- image compression
- noise variance
- similarity measure
- computer vision
- regularization parameter
- higher order
- regularization method
- mathematical morphology
- noisy images
- colour images
- point spread function
- reconstructed image