An improved bilevel optimization approach for image super-resolution based on a fractional diffusion tensor.
Mourad NachaouiAmine LaghribPublished in: J. Frankl. Inst. (2022)
Keyphrases
- image super resolution
- diffusion tensor
- anisotropic diffusion
- low resolution
- white matter
- edge preserving
- dictionary learning
- magnetic resonance images
- super resolution
- pattern recognition
- high resolution
- image registration
- sparse representation
- image patches
- maximum a posteriori
- computer vision
- linear combination
- graph cuts
- class specific
- image classification
- three dimensional