OpenCV2.3 中矩阵的数据类型与C++中类型的对照

8-bit unsigned char (uchar) 

8-bit signed char (schar)

16-bit unsigned integer (ushort)

16-bit signed integer (short)

32-bit signed integer (int)

32-bit floating-point number (float)

64-bit floating-point number (double)

enum{CV_8U=0, CV_8S=1, CV_16U=2, CV_16S=3, CV_32S=4, CV_32F=5, CV_64F=6}