A Shift-Variant Deconvolution for Aperture Correction of Collimator in Emission CT - Experimental Verification.
Seungkuen PaekMasato NakajimaTatsuru MorozumiShin'ichi YutaPublished in: Systems and Computers in Japan (1990)
Keyphrases
- shift variant
- experimental verification
- inverse problems
- image reconstruction
- image restoration
- point spread function
- depth from defocus
- blurred images
- shift invariant
- global optimization
- convex optimization
- medical images
- restored image
- motion blur
- optimization problems
- optimization methods
- wiener filter
- spatial domain
- imaging systems
- blind deconvolution
- three dimensional
- edge preserving
- super resolution
- high resolution
- noisy images
- computationally efficient
- additive noise
- computationally demanding
- markov random field
- early vision
- multiple images
- image deblurring
- regularization parameter
- partial differential equations
- image quality
- denoising
- least squares
- high quality