But how to design fast and efficient face detection method is still a big problem.

但是设计快速有效的人脸检测方法仍然是一个难度很大的问题。

youdao

Is a professional graphic design fast printing center.

是一家专业的图文设计快印中心。

youdao

Is a professional graphic design fast printing center.

是一家专业的图文设计快印中心。

youdao