Perceptual contrast enhancement of dark images based on textural coefficients.
Yakun ChangCheolkon JungPublished in: VCIP (2016)
Keyphrases
- contrast enhancement
- gray level
- image enhancement
- curvelet transform
- histogram equalization
- contrast sensitivity
- multiscale
- transfer function
- input image
- image contrast enhancement
- image database
- image contrast
- tone mapping
- enhanced image
- image analysis
- low contrast
- edge detection
- color images
- pixel values
- image retrieval
- visual quality
- wavelet coefficients
- image data
- image classification
- low pass
- human perception
- region of interest
- co occurrence
- pattern recognition