Fourier correction for spatially variant collimator blurring in SPECT.
Weishi XiaRobert M. LewittPaul R. EdholmPublished in: IEEE Trans. Medical Imaging (1995)
Keyphrases
- spatially variant
- translation invariant
- mathematical morphology
- spatially varying
- structuring elements
- multiscale
- blurred images
- morphological filters
- morphological operators
- b spline
- motion blur
- space variant
- fourier transform
- wavelet transform
- image restoration
- blur kernel
- signal and image processing
- fourier domain
- shift invariant
- point spread function
- frequency domain
- image registration
- object identification
- binary images
- maximum likelihood estimation
- morphological operations
- image reconstruction
- denoising
- radon transform
- spatial domain
- least squares
- gray scale
- high resolution
- image processing