A New Approach for Contrast Enhancement Using Sigmoid Function.
Naglaa HassanNorio AkamatsuPublished in: Int. Arab J. Inf. Technol. (2004)
Keyphrases
- contrast enhancement
- sigmoid function
- imprecise data
- image enhancement
- histogram equalization
- gray level
- multiscale
- activation function
- neural network
- visual quality
- color images
- image contrast enhancement
- unsharp masking
- transfer function
- missing data
- trained neural network
- image processing
- enhanced image
- hidden layer
- image analysis
- machine learning
- adaptive histogram equalization
- human visual system
- back propagation
- edge detection
- co occurrence
- wavelet transform
- image segmentation
- computer vision
- data mining