PET Image Representation and Reconstruction Based on Graph Filter.
Shiyao GuoYuxia ShengDan XiongJingxin ZhangPublished in: IEEE Trans. Computational Imaging (2023)
Keyphrases
- image representation
- compressive sensing
- image reconstruction
- image classification
- multiscale
- object recognition
- bag of words
- positron emission tomography
- image content
- image retrieval
- quadtree
- visual words
- image features
- feature representations
- receptive fields
- feature space
- representation scheme
- scene recognition
- bag of visual words
- pattern representation
- sparse coding
- scene classification
- region segmentation
- sparse representation
- morphological filters
- contourlet transform
- high resolution
- data structure