Enhancement of Low Illumination Images based on an Optimal Hyperbolic Tangent Profile.
San Chi LiuShilong LiuHongkun WuMd. Arifur RahmanStephen Ching-Feng LinChin Yeow WongNgai Ming KwokHaiyan ShiPublished in: Comput. Electr. Eng. (2018)
Keyphrases
- illumination conditions
- image data
- imaging conditions
- image database
- lighting conditions
- input image
- image analysis
- image features
- test images
- image registration
- image classification
- viewing angle
- viewing conditions
- single image
- image matching
- enhanced image
- pixel intensities
- computer graphics
- varying illumination
- image retrieval
- object recognition
- illumination correction
- outdoor scenes
- retinex theory
- image enhancement
- segmentation algorithm
- viewpoint
- computer vision
- color restoration
- transformed images
- contrast enhancement
- three dimensional