previous frame

基本解释

Select the Create from the previous frame option in the blank frame.
在这个空白框架中选择从先前的框架创建选项。
"It doesn't fit easily into their previous frame of reference, " he says.
“这与先前的参照标准并没有那么轻易地相符合。” 他说。
In this case, we will simply determine the coordinates of a cell of pixels closest to the top of the captured image and that changed from the previous frame.
在这个示例中，我们只判断最接近捕捉的图像顶部与前一帧相比有变化的像素的坐标。

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