TABLE II.
PERFORMANCE RESULTS USING THE PROPOSED CNN, COMPARING OVERLAPPING IMAGE PATCHES VERSUS FULL IMAGE SEGMENTATION WITH POSTPROCESSING (P) AND THINNING (T) TO REFINE VESSEL BOUNDARIES, FOR BOTH DRIVE AND STARE.
| {Dataset} | Training DRIVE Testing DRIVE | Training DRIVE Testing STARE | Training STARE Testing STARE | Training STARE Testing DRIVE | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Evaluation | Se | Sp | Acc | Se | Sp | Acc | Se | Sp | Acc | Se | Sp | Acc |
| Overlap patch | 0.9128 | 0.9463 | 0.9432 | 0.9094 | 0.9325 | 0.9309 | 0.9824 | 0.9197 | 0.9246 | 0.8307 | 0.9598 | 0.9483 |
| Overlap patch + P | 0.8981 | 0.9563 | 0.9510 | 0.9056 | 0.9407 | 0.9382 | 0.9801 | 0.9377 | 0.9411 | 0.8098 | 0.9683 | 0.9542 |
| Overlap patch + P + T | 0.8789 | 0.9606 | 0.9533 | 0.7841 | 0.9749 | 0.9606 | 0.8600 | 0.9754 | 0.9667 | 0.7953 | 0.9708 | 0.9552 |
| Full Image | 0.7522 | 0.9446 | 0.9276 | 0.7539 | 0.9257 | 0.9136 | 0.8346 | 0.8999 | 0.8949 | 0.6559 | 0.9253 | 0.9016 |
| Full Image + P | 0.7300 | 0.9499 | 0.9306 | 0.7273 | 0.9397 | 0.9247 | 0.8196 | 0.9221 | 0.9142 | 0.5927 | 0.9541 | 0.9224 |
| Full Image + P + T | 0.6105 | 0.9719 | 0.9402 | 0.6167 | 0.9656 | 0.9401 | 0.6667 | 0.9319 | 0.9538 | 0.5806 | 0.9562 | 0.9233 |