So we use some clever image processing techniques to get a very accurate measurement of the color at each pixel in the video, and then the way the color changes over time, and then we amplify those changes.
所以我们应用了一些聪明的影像处理技巧 精确的测量每个像素中的颜色， 然后得出颜色随时间的变化， 再然后我们放大这些变化。