Adaptive contrast enhancement for underexposed images.
Silvia CorchsFrancesca GaspariniRaimondo SchettiniPublished in: Digital Photography (2011)
Keyphrases
- contrast enhancement
- image enhancement
- color restoration
- histogram equalization
- enhanced image
- tone mapping
- color images
- gray level
- low contrast
- transfer function
- image database
- image classification
- image data
- multiscale
- input image
- low dose
- edge detection
- image contrast
- image contrast enhancement
- dynamic range compression
- lighting conditions
- image analysis
- spatial frequency
- single image
- co occurrence
- feature vectors
- unsharp masking
- image retrieval