Fingerprint image super-resolution based on multi-class deep dictionary learning and ridge prior.
Yi HuangWeixin BianDeqin XuBiao JieLuo FengPublished in: Signal Image Video Process. (2024)
Keyphrases
- multi class
- dictionary learning
- super resolution
- image super resolution
- fingerprint images
- single image super resolution
- sparse coding
- sparse representation
- low resolution
- high resolution
- gabor filters
- group sparsity
- prior knowledge
- pairwise
- support vector machine
- high quality
- low quality
- motion estimation
- image patches
- object detection
- image classification
- region of interest
- image enhancement
- feature selection
- maximum a posteriori
- linear combination
- facial images
- input image
- generative model
- natural images
- training data
- face recognition