Edge-enhancing bi-histogram equalisation using guided image filter.
Junwon MunYuneseok JangYoojun NamJaeseok KimPublished in: J. Vis. Commun. Image Represent. (2019)
Keyphrases
- gray value
- edge map
- edge detection
- image content
- gradient magnitude
- multiscale
- filtered images
- high frequency components
- image data
- image features
- intensity variations
- grey level
- input image
- single image
- image representation
- image segmentation
- histogram equalization
- directional filtering
- image retrieval
- image classification
- pixel wise
- zero crossing
- image filtering
- gray level
- color histogram
- edge direction
- image analysis
- edge pixels
- color distribution
- sobel operator
- image processing
- adjacent regions
- gray images
- bilateral filter
- segmentation method
- color features
- pixel values
- back projection
- nonlinear filters
- image regions
- enhanced image
- binary patterns
- high resolution
- orientation histogram
- edge detector
- low contrast
- edge information
- image structure
- noise reduction