Face hallucination via Cauchy regularized sparse representation.
Shenming QuRuimin HuShihong ChenZhongyuan WangJunjun JiangCheng YangPublished in: ICASSP (2015)
Keyphrases
- sparse representation
- random projections
- regularized least squares
- image super resolution
- dictionary learning
- sparse reconstruction
- norm minimization
- sparse coding
- sparsity constraints
- compressive sensing
- face recognition
- compressed sensing
- image classification
- low resolution
- image patches
- dimensionality reduction
- image representation
- high resolution
- super resolution
- high resolution images
- test images
- signal processing
- facial images
- least squares
- sparse coefficients
- high dimensional data
- maximum likelihood
- subspace learning
- image sequences
- image reconstruction
- linear combination
- feature extraction