Brightness preserving image enhancement based on a gradient and intensity histogram.
Zebin SunWenquan FengQi ZhaoLi-Dong HuangPublished in: J. Electronic Imaging (2015)
Keyphrases
- image enhancement
- edge detection
- image processing
- intensity histogram
- transfer function
- enhanced image
- image analysis
- histogram equalization
- contrast enhancement
- image contrast
- noise removal
- median filter
- partial differential equations
- optical flow
- image contrast enhancement
- multiresolution
- color image enhancement
- gray level
- multiscale
- minutiae extraction
- neural network
- noise reduction
- mutual information
- color images
- similarity measure
- image segmentation
- homomorphic filtering
- computer vision