CV_64F,CV_64FC1以及CV_64FC2

原文鏈接：https://stackoverflow.com/questions/19248926/difference-of-opencv-mat-types

CV_64F is the same as CV_64FC1.
So if you need just 2D matrix (i.e. single channeled) you can just use CV_64F(當做二維矩陣來計算)

CV_ - this is just a prefix
64 -表示雙精度
32-表示單精度
F - 浮點
Cx - 通道數,例如RGB就是三通道