Research Article

Detecting Optic Disc on Asians by Multiscale Gaussian Filtering

Table 3

Average distance (in pixels) of detected and actual OD.

Number of images in each groupTotal

46181175402

MethodAverage distance between estimated and actual OD center (pixels)

Proposed method27.928.831.129.3
Youssif et al. [12]33.536.137.635.7
Single-scale40.036.144.340.1