A novel natural image noise level estimation based on flat patches and local statistics.
Zhuang FangXuming YiPublished in: Multim. Tools Appl. (2019)
Keyphrases
- natural images
- noise level
- noisy images
- image patches
- image denoising
- denoising
- image statistics
- prior models
- noise estimation
- natural scenes
- higher order
- multiscale
- input image
- denoising algorithm
- object recognition
- noise model
- gaussian noise
- noise reduction
- low light conditions
- power spectrum
- test images
- blur kernel
- image processing
- superpixels
- error rate
- edge detection
- estimation algorithm
- frequency domain
- low light
- computer vision