Robust Impulse Noise Variance Estimation Based on Image Histogram.
Yi WanQiqiang ChenYan YangPublished in: IEEE Signal Process. Lett. (2010)
Keyphrases
- noise variance
- image noise
- gaussian noise
- noisy images
- denoising algorithm
- single image
- generalized cross validation
- multiscale
- input image
- edge detection
- gray level
- regularization parameter
- noise level
- pixel values
- image segmentation
- higher order
- denoising
- correlation coefficient
- feature points
- wiener filter
- prior information
- contrast enhancement
- test images
- image denoising
- image processing