opencv数据类型对应关系

结构类型	数据类型	数据点表示实例	空间大小	MIN	MAX
单通道
CV_8UC1	uchar	Mat.at(rows, cols)	8bits	0	255
CV_8SC1	char	Mat.at(rows, cols)	8bits	-128	127
CV_16UC1	ushort	Mat.at(rows, cols)	16bits	0	65535
CV_16SC1	short	Mat.at(rows, cols)	16bits	-32768	32767
CV_32SC1	int	Mat.at(rows, cols)	32bits	-2147483648	2147483647
CV_32FC1	float	Mat.at(rows, cols)	32bits	1.18*〖10〗^(-38)	3.40*〖10〗^38
CV_64FC1	double	Mat.at(rows, cols)	64bits	2.23*〖10〗^(-308)	1.79*〖10〗^308
三通道
CV_8UC3	Vec3b	Mat.at(rows, cols)[ layer]	8bits	0	255
CV_8SC3
CV_16UC3	Vec3w	Mat.at(rows, cols)[ layer]	16bits	0	65535
CV_16SC3	Vec3s	Mat.at(rows, cols)[ layer]	16bits	-32768	32767
CV_32SC3	Vec3i	Mat.at(rows, cols)[ layer]	32bits	-2147483648	2147483647
CV_32FC3	Vec3f	Mat.at(rows, cols)[ layer]	32bits	1.18*〖10〗^(-38)	3.40*〖10〗^38
CV_64FC3	Vec3d	Mat.at(rows, cols)[ layer]	64bits	2.23*〖10〗^(-308)	1.79*〖10〗^308

注：
Height = Mat.rows;
Width = Mat.cols;