Keyphrases
- circular hough transform
- retinal images
- optic disc
- diabetic retinopathy
- region of interest
- matched filters
- fundus images
- retinal fundus images
- image data
- iris segmentation
- single image
- optic disk
- image analysis
- input image
- image segmentation
- blood vessels
- retinal blood vessels
- automatic detection
- hough transform
- iris recognition
- edge detection
- multiscale
- retinal fundus
- active contour model
- object detection
- high resolution
- iris images
- urban scenes
- phase congruency
- object detectors
- aerial images
- segmentation method
- gray level
- medical images