Face hallucination VIA sparse coding.
Jianchao YangHao TangYi MaThomas S. HuangPublished in: ICIP (2008)
Keyphrases
- sparse coding
- image super resolution
- dictionary learning
- sparse representation
- natural images
- image classification
- low resolution
- linear combination
- unsupervised learning
- image representation
- image patches
- generative model
- high resolution images
- subspace learning
- super resolution
- high resolution
- high dimensional
- feature space
- multiscale
- dimensionality reduction
- prior knowledge
- image processing
- signal processing
- face images
- object detection
- image registration
- facial images
- manifold learning
- ground truth
- face recognition