Review Article
A Review on Recent Developments for Detection of Diabetic Retinopathy
Table 4
Different methods for detection of optic disc.
| Algorithm | Image processing techniques | Database | Color space | Accuracy |
| Rathod et al. [29] | Multilevel 2D wavelet, Histogram Equalization | HRF | Green channel | 95% |
| Sekar and Nagarajan [30] | OD localization based on clustering and histogram approaches | Messidor | RGB | 99.58% |
| Lu and Lim [31] | Circular transformation line operator | DIARETDB0 DIARETDB1 DRIVE STARE | CIELAB | 97.4% |
| Acharya et al. [32] | Otsu, Gradient vector flow (GVF) snake, Atanassov Intuitionistic Fuzzy Histon (AIFSH) | Kasturba Medical College | Gray scale | 100% |
| Trucco et al. [33] | Binary vessel masks are developed within VAMPIRE software | HRIS (High-Resolution Image Set) VDIS (Vascular Disease Image Set) | Gray scale | 95.7% 92.1% |
|
|