Table 9.
Evaluation results for distinguishing between Grade 1 and Grade 2 to each feature set.
| Object | Feature set | TN | FP | FN | TP | SN (%) | SP (%) | PPV (%) | NPV (%) | ACC (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| NEN | CNF | 19.60 | 11.70 | 12.40 | 20.30 | 61.25 | 63.44 | 64.35 | 63.29 | 62.34 |
| (6.26) | (4.97) | (6.26) | (4.97) | (19.56) | (15.52) | (8.93) | (9.49) | (7.78) | ||
|
| ||||||||||
| CLF | 22.40 | 17.30 | 9.60 | 14.70 | 70.00 | 45.94 | 58.39 | 66.13 | 57.97 | |
| (5.99) | (6.95) | (5.99) | (6.95) | (18.70) | (21.70) | (10.63) | (16.21) | (5.23) | ||
| Lumen | PLF | 23.80 | 6.50 | 8.20 | 25.50 | 74.38 | 79.69 | 79.65 | 75.40 | 77.03 |
| (1.32) | (3.95) | (1.32) | (3.95) | (4.11) | (12.35) | (10.15) | (4.96) | (6.83) | ||
| ALF | 25.20 | 13.40 | 6.80 | 18.60 | 78.75 | 58.13 | 67.05 | 73.46 | 68.44 | |
| (2.90) | (6.31) | (2.90) | (6.31) | (9.06) | (19.72) | (9.88) | (5.85) | (7.39) | ||
|
| ||||||||||
| CEF | 18.60 | 14.50 | 13.40 | 17.50 | 58.13 | 54.69 | 56.45 | 57.03 | 56.41 | |
| (4.30) | (4.14) | (4.30) | (4.14) | (13.44) | (12.95) | (7.17) | (9.10) | (7.53) | ||
| EN | PEF | 22.20 | 8.90 | 9.80 | 23.10 | 69.38 | 72.19 | 71.89 | 70.04 | 70.78 |
| (1.14) | (2.92) | (1.14) | (2.92) | (3.55) | (9.14) | (6.94) | (4.08) | (5.26) | ||
| AEF | 22.40 | 11.60 | 9.60 | 20.40 | 70.00 | 63.75 | 65.95 | 68.16 | 66.88 | |
| (2.32) | (2.27) | (2.32) | (2.27) | (7.25) | (7.10) | (5.42) | (5.84) | (5.50) | ||
|
| ||||||||||
| CDF | 22.40 | 17.30 | 9.60 | 14.70 | 70.00 | 45.94 | 58.39 | 66.13 | 57.97 | |
| (5.99) | (6.95) | (5.99) | (6.95) | (18.70) | (21.70) | (10.63) | (16.21) | (5.23) | ||
| Duct | 23.80 | 6.50 | 8.20 | 25.50 | 74.38 | 79.69 | 79.65 | 75.40 | 77.03 | |
| (1.32) | (3.95) | (1.32) | (3.95) | (4.11) | (12.35) | (10.15) | (4.96) | (6.83) | ||
| ADF | 25.10 | 13.20 | 6.90 | 18.80 | 78.44 | 58.75 | 67.25 | 73.40 | 68.60 | |
| (2.88) | (6.21) | (2.88) | (6.21) | (9.02) | (19.42) | (9.75) | (5.88) | (7.31) | ||
|
| ||||||||||
| CTF | 22.40 | 17.30 | 9.60 | 14.70 | 70.00 | 45.94 | 58.39 | 66.13 | 57.97 | |
| (5.99) | (6.95) | (5.99) | (6.95) | (18.70) | (21.70) | (10.63) | (16.21) | (5.23) | ||
| Tissue | PTF | 23.80 | 6.50 | 8.20 | 25.50 | 74.38 | 79.69 | 79.65 | 75.40 | 77.03 |
| (1.32) | (3.95) | (1.32) | (3.95) | (4.11) | (12.35) | (10.15) | (4.96) | (6.83) | ||
| ATF | 25.10 | 13.20 | 6.90 | 18.80 | 78.44 | 58.75 | 67.25 | 73.40 | 68.60 | |
| (2.88) | (6.21) | (2.88) | (6.21) | (9.02) | (19.42) | (9.75) | (5.88) | (7.31) | ||
TP (true positive): the number of Grade 2s that are correctly classified as Grade 2s.
FP (false positive): the number of Grade 1s that are incorrectly classified as Grade 2s.
FN (false negative): the number of Grade 2s that are incorrectly classified as Grade 1s.
TN (true negative): the number of Grade 1s that are correctly classified as Grade 1s.