关于body overlap thres

[hjrPhoebus]

感谢您的工作！
原文关于smplx优化我有一处不是很理解，为设么”the overlap between body mask inside the clothing mask and full body mask is smaller than 0.98“表示遮挡发生？
另外在源代码中，我看到body overlap thres一开始设置为0.98，后来被注释掉修改为0，并且表明For crowded / occluded scene 设置为0，请问是只需要在多人场景中考虑吗？