Table 2 Comparison of the algorithms to the ground truth.

From: Replication and Refinement of an Algorithm for Automated Drusen Segmentation on Optical Coherence Tomography

 

Replicated Chen et al.13

Refined algorithm

ADAD ± SD (μm)

ADAD ± SD (%)

OR ± SD (%)

ADAD ± SD (μm)

ADAD ± SD (%)

OR ± SD (%)

B-scans with drusen

17.60 ± 36.70

100.59 ± 304.80

24.52 ± 20.56

13.28 ± 29.40

73.54 ± 217.80

35.88 ± 25.25

B-scans with largest drusen load per volume

19.94 ± 13.54

42.70 ± 22.70

39.24 ± 22.06

15.64 ± 11.05

36.86 ± 24.34

51.90 ± 23.70

Volumetric Computation

11.96 ± 12.11

46.37 ± 75.36

29.35 ± 17.32

8.31 ± 6.87

30.05 ± 29.76

42.20 ± 20.47

  1. Image resolution of the used dataset: 512 × 496 and 145 B-Scans per volume scan. OR = overlap ratio; SD = standard deviation.