A fast yet reliable noise level estimation algorithm using shallow CNN-based noise separator and BP network.
Shaoping XuZhenyu LinGuizhen ZhangTingyun LiuXiaohui YangPublished in: Signal Image Video Process. (2020)
Keyphrases
- noise level
- estimation algorithm
- bp network
- noisy images
- noise estimation
- bp neural network
- back propagation
- noise reduction
- computationally efficient
- maximum likelihood
- rbf network
- training algorithm
- blur kernel
- error rate
- prediction model
- neural network
- ofdm system
- bp algorithm
- neural network model
- wavelet neural network
- denoising
- artificial neural networks
- dynamic programming
- high quality
- multiresolution
- image denoising
- machine learning
- natural images