How to calculate recall，precision，F-measure？

MhLiao / TextBoxes_plusplus

TextBoxes++: A Single-Shot Oriented Scene Text Detector

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How to calculate recall，precision，F-measure？ #52

Closed LaviLiu closed 6 years ago

LaviLiu commented 6 years ago

阅读论文的时候有一个问题，我不太明白，在检测文本目标时，作者使用的是不规则的四边形，那么对于不规则的四边形，我们怎么求出其预测框与 ground truth的 IUO，并进而计算出recall，precision，F-measure等模型的评价指标呢？我在作者给的代码中也没有找到计算不规则四边形IOU，以及 recall，precision，F-measure相关的代码

MhLiao commented 6 years ago

You can use the evaluation code provided by "http://rrc.cvc.uab.es/?ch=4&com=mymethods&task=1". You should register and log in to download the evaluation scripts.

LaviLiu commented 6 years ago

Thank you very much!