Enhancement of blood vessels in retinal imaging using the nonsubsampled contourlet transform.
Chien-Cheng LeeCheng-Yuan ShihShih-Kai LeeWei-Tyng HongPublished in: Multidimens. Syst. Signal Process. (2012)
Keyphrases
- blood vessels
- nonsubsampled contourlet transform
- image processing
- image fusion
- retinal images
- vessel detection
- low contrast
- infrared
- optical coherence tomography
- vessel segmentation
- cross sectional
- image enhancement
- medical imaging
- contourlet transform
- high resolution
- fundus images
- region of interest
- image analysis
- retinal fundus images
- ocular fundus
- computer vision
- remote sensing
- multiscale
- medical imagery
- diabetic retinopathy
- tubular structures
- image registration
- optic disc
- matched filters
- denoising
- high frequency
- retinal vessel
- co occurrence