Joint denoising and contrast enhancement of images using graph laplacian operator.
Xianming LiuGene CheungXiaolin WuPublished in: ICASSP (2015)
Keyphrases
- contrast enhancement
- denoising
- image enhancement
- laplacian operator
- histogram equalization
- multiscale
- enhanced image
- gray level
- transfer function
- image analysis
- color images
- gaussian noise
- image data
- visual quality
- multiresolution
- three dimensional
- region of interest
- range data
- noise removal
- input image
- edge detector
- natural images
- object recognition
- regular grid
- image processing