Retinex-based signal enhancement for image dark regions.
Hirotaka TanakaYuji WaizumiTadashi KasezawaPublished in: ICSIPA (2017)
Keyphrases
- input image
- image features
- contrast enhancement
- image regions
- image pixels
- image enhancement
- retinex theory
- region of interest
- adjacent regions
- image data
- image content
- homogeneous regions
- image analysis
- image retrieval
- multiscale
- image segmentation
- single image
- image structure
- segmented images
- intensity images
- pixel intensities
- gray level images
- image classification
- edge detection
- segmentation method
- edge map
- color constancy
- keypoints
- neighboring pixels
- histogram equalization
- segmented regions
- gamut mapping
- image contrast
- segmentation algorithm
- pixel level
- transfer function
- video sequences
- pixel values
- boundary contour
- dynamic range compression