Sparse View CT Image Reconstruction Based on Total Variation and Wavelet Frame Regularization.
Zhaoyan QuXiming YanJinxiao PanPing ChenPublished in: IEEE Access (2020)
Keyphrases
- image reconstruction
- total variation
- regularization methods
- inverse problems
- compressed sensing
- computed tomography
- image restoration
- minimization problems
- regularization term
- super resolution
- blind deconvolution
- denoising
- reconstructed image
- image denoising
- regularization method
- convex optimization
- regularization parameter
- random projections
- image deblurring
- edge preserving
- radon transform
- maximum a posteriori
- high dimensional
- cone beam
- machine learning
- compressive sensing
- reconstruction method
- tomographic reconstruction
- natural images
- wiener filter
- limited angle
- noisy images
- sparse representation
- medical images
- wavelet transform
- motion estimation
- image processing