Frequency Domain Filtering Based Compressed Sensing Applied on Sparse-angle CT Image Reconstruction.
Jian DongHao ChenXiaoxia YangPublished in: ICMIP (2022)
Keyphrases
- compressed sensing
- image reconstruction
- frequency domain
- computed tomography
- fourier domain
- fourier transform
- spatial domain
- radon transform
- super resolution
- power spectrum
- random projections
- feature extraction
- subband
- denoising
- natural images
- machine learning
- sparse representation
- space variant
- high resolution
- dimension reduction
- pattern recognition