Face Hallucination via Gradient Constrained Sparse Representation.
Xiaobing PeiYue GuanPingping CaiTao DongPublished in: IEEE Access (2018)
Keyphrases
- sparse representation
- image super resolution
- face hallucination
- dictionary learning
- sparse coding
- low resolution
- face recognition
- image patches
- image classification
- compressive sensing
- high dimensional data
- computer vision
- test images
- super resolution
- high resolution
- edge detection
- random projections
- manifold learning
- signal processing
- joint optimization
- subspace learning
- dimensionality reduction
- facial images
- image representation
- image data
- pattern recognition
- face images
- high quality
- high resolution images
- three dimensional
- data sets