Shuhe ZHANG, Liangcai CAO. Digital diffraction method for single retinal image enhancement[J]. Optics and Precision Engineering, 2024, 32(15): 2429
- Optics and Precision Engineering
- Vol. 32, Issue 15, 2429 (2024)
Fig. 1. Retinal image background reflective padding. （a） Sketch for the cross line between point P and O ；（b） The process of copy pixel value from point Q to P ； （c） Raw image and the corresponding background padded image
Fig. 2. Influence of parameter t on output I m ( u ) ![]()
![]()
Fig. 3. Influence of parameter k on latent image
Fig. 4. Output images after intensity correction with K =15
Fig. 5. Statistical analysis for enhanced retinal image from Messidor dataset
Fig. 6. Two groups of image intensity correction
Fig. 7. Qualitatively comparison of enhanced images from different methods
Fig. 8. Enhanced images supports diagnosis of retinopathy
Fig. 9. Intensity enhancement of ultra widefield retinal image
|
Table 1. Comparison of three methods in Messidor dataset
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20