[CVPR2019]Generalized Intersection over Union: A Metric and A Loss for Bounding Box Regression
IoU和GIoU作为Loss的具体公式 GIoU很容易理解，就多了一个两个BBox所占最大面积A1，与并集的区别在于多算了不属于BBox的一部分面积A2，就用A2除以A1，得到一个比例P1，paper中的意思是这个比例代表预测BBox与真实BBox的回归效果，效果也好比值越低，最后用传统的IoU减去P1得到GIoU。
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相关文章
- 1. Generalized Intersection over Union: A Metric and A Loss for Bounding Box Regression 论文
- 2. Generalized Intersection over Union: A Metric and A Loss for Bounding Box Regression
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