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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2013
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Article
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Tab 1
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Research Article
On Building a Universal and Compact Visual Vocabulary
Table 1
Classification rates of different vocabulary sizes on three datasets. The sizes corresponding to similarity thresholds 0.75 and 0.8 produce the best or near-best results in all cases.
ā
caltech-101
Event-8
Scene-15
100
36.6
1.0
70.7
2.5
65.0
0.4
1000
48.5
1.1
79.3
2.1
73.1
0.7
10000
48.3
1.1
80.0
2.2
73.9
0.5
50000
47.1
0.9
78.5
2.1
72.1
0.5
100000
46.5
1.1
78.1
2.0
71.3
0.7
49.5
0.9
79.5
2.4
73.9
0.6
49.0
1.0
80.4
2.5
73.8
0.5