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. Author manuscript; available in PMC: 2012 Jan 25.
Published in final edited form as: J Biomed Inform. 2010 Sep 29;43(6):924–931. doi: 10.1016/j.jbi.2010.09.006

Table 2.

Performance comparison between different text detection methods

(a) Performance of four existing text detection methods.
Measurement Existing Methods
[21] [22] [23] [24]
Precision 0.291 0.110 0.116 0.457
Recall 0.980 0.464 0.528 0.210
F-rate 0.418 0.154 0.158 0.256
MOA 0.263 0.084 0.091 0.125
(b) Performance of our new text detection method.
Measurement Our Method
Naive One step Two steps Multiple steps
Precision 0.528 0.598 0.637 0.637
Recall 0.626 0.655 0.672 0.670
F-rate 0.519 0.564 0.600 0.600
MOA 0.332 0.383 0.430 0.429