Table 2.
Topics | Relevant images retrieved | MAP | P10 | P20 |
---|---|---|---|---|
1 | 71 | 0.0781 | 0 | 0.15 |
2 | 11 | 0.0740 | 0 | 0 |
3 | 126 | 0.4863 | 1 | 0.85 |
4 | 16 | 0.2535 | 0.5 | 0.35 |
5 | 30 | 0.0952 | 0.3 | 0.15 |
6 | 55 | 0.0727 | 0.3 | 0.40 |
7 | 26 | 0.1180 | 0.2 | 0.15 |
8 | 28 | 0.1080 | 0.2 | 0.25 |
9 | 141 | 0.4051 | 0.8 | 0.75 |
10 | 4 | 0.3628 | 0.2 | 0.20 |
11 | 60 | 0.0644 | 0 | 0.10 |
12 | 0 | 0 | 0 | 0 |
13 | 112 | 0.3080 | 0.7 | 0.65 |
14 | 40 | 0.0641 | 0.1 | 0.10 |
15 | 30 | 0.1340 | 0.3 | 0.30 |
16 | 98 | 0.6819 | 0.3 | 0.50 |
17 | 31 | 0.0241 | 0.2 | 0.10 |
18 | 6 | 0.0945 | 0.1 | 0.05 |
19 | 7 | 0.1898 | 0.1 | 0.05 |
20 | 6 | 0.4554 | 0.3 | 0.25 |
21 | 5 | 0.0768 | 0.1 | 0.10 |
22 | 20 | 0.2094 | 0.3 | 0.15 |
23 | 79 | 0.1600 | 0.5 | 0.50 |
24 | 131 | 0.1123 | 0.7 | 0.40 |
25 | 145 | 0.1909 | 0.1 | 0.10 |
26 | 4 | 0.0015 | 0 | 0 |
27 | 28 | 0.0363 | 0.3 | 0.20 |
28 | 4 | 0.5746 | 0.2 | 0.15 |
29 | 4 | 0.2089 | 0.2 | 0.10 |
30 | 143 | 0.3712 | 0.9 | 0.80 |
Average n-gram approach | 1461 | 0.2004 | 0.2967 | 0.2617 |
Average ImageCLEF 2011 | 1285.125 | 0.1644 | 0.3003 | 0.2663 |
MV ImageCLEF 2011 | 1341 | 0.1668 | 0.3033 | 0.2633 |
MAP, mean average precision.