标签: c++ opencv dft
在opencv中实现DFT(用于2D)他们使用什么坐标系(笛卡尔坐标系或像坐标系这样的2D数组)?
( - 1,1)(0,1)(1,1) (-1,0)(0,0)(1,0) (-1,-1)(0,-1)(1,-1)
(0,0)(0,1)(0,2) (1,0)(0,1)(0,2) (2,0)(0,1)(0,2)