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 group | Total |
| | 46 | 181 | 175 | 402 |
| Method | Average distance between estimated and actual OD center (pixels) | |
| Proposed method | 27.9 | 28.8 | 31.1 | 29.3 | Youssif et al. [12] | 33.5 | 36.1 | 37.6 | 35.7 | Single-scale | 40.0 | 36.1 | 44.3 | 40.1 |
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