Estimation of signal-dependent sensor noise via sparse representation of noise level functions.
Jingyu YangZhaoyang WuChunping HouPublished in: ICIP (2012)
Keyphrases
- sparse representation
- noise level
- sensor noise
- noisy images
- image patches
- noise reduction
- sparse coding
- image classification
- high dimensional data
- face recognition
- gaussian noise
- signal processing
- noise removal
- dimensionality reduction
- test images
- error rate
- image representation
- computer vision
- higher order
- multiscale
- feature extraction
- image segmentation