Thursday, August 7, 2014

Text Classification on ICDAR

We evaluated our text detection algorithm on ICDAR benchmark. More information can be found here: http://dag.cvc.uab.es/icdar2013competition

We run our algorithm on Challenge 1, Task 2.  Our text detection results can be found in this webpage:
https://dl.dropboxusercontent.com/u/20022261/reports/text_segmentation_benchmark_ICAR.html

The baseline excludes the characters that are merged as missed results. However, we have no interest in making that computation. We compute precision and recall given:

Precision=tp/(tp+fp)
Recall= tp/(tp+mr)

where tp is true positive count, fp is false positive and mr is missed rate. In that case the accuracy of the other algorithms would be as follows:


  precision   recall   f-measure
    0.9252    0.9515    0.9384
    0.8566    0.9094    0.8830
    0.8544    0.8689    0.8617
    0.7708    0.9737    0.8722
    0.8248    0.9638    0.8943
Ours
    0.9083    0.8837    0.8960


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