Spatially Adapted First and Second Order Regularization for Image Reconstruction: From an Image Surface Perspective.
Qiuxiang ZhongRyan Wen LiuYuping DuanPublished in: J. Sci. Comput. (2022)
Keyphrases
- image reconstruction
- reconstruction method
- reconstruction process
- inverse problems
- back projection
- reconstructed image
- sparsely sampled
- super resolution
- multiscale
- compressed sensing
- emission tomography
- image data
- emission computed tomography
- radon transform
- image reconstruction algorithms
- wiener filtering
- test images
- image segmentation
- limited angle
- edge detection
- input image
- energy function
- high resolution
- image analysis
- maximum a posteriori
- image representation
- tomographic reconstruction
- band limited
- d objects
- positron emission tomography
- zernike moments
- image frames