Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

当处理一张图像时，输入的图像可能包含成千上万个像素点，但是我们可以通过只占用几十到上百个像素点的核来检测一些局部但有意义的特征，例如图像的边缘。 先把二维 input 展开成一维向量（[in_h, in_w] -> [in_h * in_w]）；如果是一批 inputs，则依次堆叠为一个 ...

这次致命事故提出了一个严重问题：在美国首都上空为何会发生相撞事故？专家认为这两架飞机出现在同一空域有些匪夷所思 ...