Superpixel-based image noise variance estimation with local statistical assessment.
Cheng-Ho WuHerng-Hua ChangPublished in: EURASIP J. Image Video Process. (2015)
Keyphrases
- noise variance
- input image
- image noise
- image data
- denoising algorithm
- image regions
- multiscale
- wiener filter
- test images
- generalized cross validation
- noisy images
- single image
- denoising
- image segmentation
- high resolution
- regularization parameter
- segmentation algorithm
- gaussian noise
- pixel values
- noise level
- image denoising
- superpixels
- image structure
- natural images
- feature points
- principal component analysis
- object recognition
- feature extraction