Image Noise Level Estimation for Rice Noise Based on Extended ELM Neural Network Training Algorithm.
Xiaohui YangKaiwei XuShaoping XuPeter Xiaoping LiuPublished in: IEEE Access (2019)
Keyphrases
- noise level
- training algorithm
- noise estimation
- denoising algorithm
- neural network
- gaussian noise
- back propagation
- noisy images
- salt pepper
- low light conditions
- gradient vector
- low light
- noise reduction
- neural network training
- input image
- additive noise
- error rate
- multiscale
- edge detection
- bp algorithm
- denoising
- training process
- hidden layer
- pattern recognition
- learning algorithm
- learning rate
- denoising methods
- image segmentation
- image denoising
- support vector machine
- similarity measure
- signal to noise ratio
- image regions
- rbf neural network
- high resolution
- feed forward neural networks
- levenberg marquardt
- test images
- data sets