ShawnDai

> 训练出现AttributeError: 'NoneType' object has no attribute 'min' 的错误。我现在用的是python3.6.6，不会版本问题吧。 您好，我也遇到同样的问题，请问解决了吗

> Thank you for sharing! Excuse me, where should this macro be added? In Frame.h:  In Object.h 

> Try changing the member variable "mLastFrame" of class "Tracking" to a pointer form

> Thank you again for your reply! In fact, I understand how to implement your suggestion. So I consulted some materials and learned from some blogs that this seems to...