Retinal Blood Vessel Extraction Using a New Enhancement Technique of Modified Convolution Filters and Sauvola Thresholding.
Hadrians Kesuma PutraBambang SuprihatinPublished in: Int. J. Image Graph. (2023)
Keyphrases
- blood vessels
- low contrast
- enhanced image
- retinal vessel
- retinal fundus images
- retinal images
- image processing
- vessel detection
- edge detection
- cross sectional
- vessel segmentation
- vascular tree
- image enhancement
- impulse response
- region of interest
- fundus images
- matched filters
- vessel enhancement
- denoising
- information extraction
- optic disc
- fir filters
- directional filtering
- edge enhancement
- convolution kernel
- post processing
- morphological filters
- linear filtering
- frequency domain
- multiresolution
- gray level