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机器学习——概念理解之IoU
2022-07-27 15:49:00 【helpburn】
IoU(Intersection over Union):交并比,在SSD的论文中也叫Jaccard Overlap,是一个意思。从字面意思上看是交集和并集的比值。
计算方式如下图所示:
IoU在目标检测算法中计算mAP的重要函数,通过计算预测值与真值框的IoU,并与一个阈值进行比较来确定预测框的正确性。
如下图中两个框的IoU的值很高,就会得到好的检测结果
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