Analysis of Resolution and Noise Properties of Nonquadratically Regularized Image Reconstruction Methods for PET.
Sangtae AhnRichard M. LeahyPublished in: IEEE Trans. Medical Imaging (2008)
Keyphrases
- image analysis
- background noise
- image noise
- image segmentation
- image data
- gaussian noise
- single image
- segmentation method
- image structure
- image classification
- input image
- random noise
- higher resolution
- high resolution
- image pixels
- least squares
- imaging process
- image edges
- image features
- geometric distortions
- image content
- multiresolution
- image pyramid
- image retrieval
- image regions
- image processing
- image representation
- edge detection
- low frequency
- test images
- image reconstruction
- segmentation algorithm
- multiscale
- low snr
- feature points