Hybrid threshold optimization between global image and local regions in image segmentation for melasma severity assessment.
Yunfeng LiangLei SunWee SerFeng LinEvelyn Yuxin TayEmily Yiping GanSteven Tien Guan ThngZhiping LinPublished in: Multidimens. Syst. Signal Process. (2017)
Keyphrases
- image segmentation
- input image
- image features
- segmented images
- segmentation method
- region segmentation
- image regions
- segmentation algorithm
- image pixels
- image data
- segmenting images
- watershed transformation
- multiscale
- boundary information
- watershed segmentation
- homogeneous regions
- segmented regions
- image analysis
- image structure
- keypoints
- greyscale images
- image content
- unsupervised image segmentation
- region growing
- image segmentation methods
- segmentation scheme
- region merging
- image representation
- gray level
- segmentation result
- image retrieval
- adjacent regions
- gray value
- image classification
- region boundaries
- graph cuts
- global structure
- region of interest
- deformable models
- active contours
- adaptive thresholding
- energy function
- single image
- level set
- thresholding method
- pixel level
- edge map
- color features
- gray level images
- normalized cut
- otsu method
- markov random field
- pre segmented
- computer vision
- watershed transform
- neighboring pixels
- piecewise constant
- perceptual grouping
- energy functional
- object segmentation