OpenCV编程->cvCvtColor函数

cvCvtColor(...),是Opencv里的颜色空间转换函数

/* Constants for color conversion */
#define CV_BGR2BGRA 0
#define CV_RGB2RGBA CV_BGR2BGRA

#define CV_BGRA2BGR 1
#define CV_RGBA2RGB CV_BGRA2BGR

#define CV_BGR2RGBA 2
#define CV_RGB2BGRA CV_BGR2RGBA

#define CV_RGBA2BGR 3
#define CV_BGRA2RGB CV_RGBA2BGR

#define CV_BGR2RGB 4
#define CV_RGB2BGR CV_BGR2RGB

#define CV_BGRA2RGBA 5
#define CV_RGBA2BGRA CV_BGRA2RGBA

#define CV_BGR2GRAY 6
#define CV_RGB2GRAY 7
#define CV_GRAY2BGR 8
#define CV_GRAY2RGB CV_GRAY2BGR
#define CV_GRAY2BGRA 9
#define CV_GRAY2RGBA CV_GRAY2BGRA
#define CV_BGRA2GRAY 10
#define CV_RGBA2GRAY 11

#define CV_BGR2BGR565 12
#define CV_RGB2BGR565 13
#define CV_BGR5652BGR 14
#define CV_BGR5652RGB 15
#define CV_BGRA2BGR565 16
#define CV_RGBA2BGR565 17
#define CV_BGR5652BGRA 18
#define CV_BGR5652RGBA 19

#define CV_GRAY2BGR565 20
#define CV_BGR5652GRAY 21

#define CV_BGR2BGR555 22
#define CV_RGB2BGR555 23
#define CV_BGR5552BGR 24
#define CV_BGR5552RGB 25
#define CV_BGRA2BGR555 26
#define CV_RGBA2BGR555 27
#define CV_BGR5552BGRA 28
#define CV_BGR5552RGBA 29

#define CV_GRAY2BGR555 30
#define CV_BGR5552GRAY 31

#define CV_BGR2XYZ 32
#define CV_RGB2XYZ 33
#define CV_XYZ2BGR 34
#define CV_XYZ2RGB 35

#define CV_BGR2YCrCb 36
#define CV_RGB2YCrCb 37
#define CV_YCrCb2BGR 38
#define CV_YCrCb2RGB 39

#define CV_BGR2HSV 40
#define CV_RGB2HSV 41

#define CV_BGR2Lab 44
#define CV_RGB2Lab 45

#define CV_BayerBG2BGR 46
#define CV_BayerGB2BGR 47
#define CV_BayerRG2BGR 48
#define CV_BayerGR2BGR 49

#define CV_BayerBG2RGB CV_BayerRG2BGR
#define CV_BayerGB2RGB CV_BayerGR2BGR
#define CV_BayerRG2RGB CV_BayerBG2BGR
#define CV_BayerGR2RGB CV_BayerGB2BGR

#define CV_BGR2Luv 50
#define CV_RGB2Luv 51
#define CV_BGR2HLS 52
#define CV_RGB2HLS 53

#define CV_HSV2BGR 54
#define CV_HSV2RGB 55

#define CV_Lab2BGR 56
#define CV_Lab2RGB 57
#define CV_Luv2BGR 58
#define CV_Luv2RGB 59
#define CV_HLS2BGR 60
#define CV_HLS2RGB 61

#define CV_COLORCVT_MAX 100

/* Converts input array pixels from one color space to another */
CVAPI(void) cvCvtColor( const CvArr* src, CvArr* dst, int code );