原文链接：http://www.juzicode.com/archives/5950
在OpenCV-Python中常量类型可以通过dir(cv2)的方法列出，通过列表推导式加判断条件查询到某一种类型的常量，比如加入判断条件”CV_”找出所有的dtype类型：
import cv2
color = [c for c in dir(cv2) if c.startswith('CV_')]1、dtype类型
CV_16S CV_16SC1 CV_16SC2 CV_16SC3 CV_16SC4
CV_16U CV_16UC1 CV_16UC2 CV_16UC3 CV_16UC4
CV_32F CV_32FC1 CV_32FC2 CV_32FC3 CV_32FC4
CV_32S CV_32SC1 CV_32SC2 CV_32SC3 CV_32SC4
CV_64F CV_64FC1 CV_64FC2 CV_64FC3 CV_64FC4
CV_8S CV_8SC1 CV_8SC2 CV_8SC3 CV_8SC4
CV_8U CV_8UC1 CV_8UC2 CV_8UC3 CV_8UC4 2、色彩空间
COLOR_BAYER_BG2BGR COLOR_BAYER_BG2BGRA COLOR_BAYER_BG2BGR_EA
COLOR_BAYER_BG2BGR_VNG COLOR_BAYER_BG2GRAY COLOR_BAYER_BG2RGB
COLOR_BAYER_BG2RGBA COLOR_BAYER_BG2RGB_EA COLOR_BAYER_BG2RGB_VNG
COLOR_BAYER_GB2BGR COLOR_BAYER_GB2BGRA COLOR_BAYER_GB2BGR_EA
COLOR_BAYER_GB2BGR_VNG COLOR_BAYER_GB2GRAY COLOR_BAYER_GB2RGB
COLOR_BAYER_GB2RGBA COLOR_BAYER_GB2RGB_EA COLOR_BAYER_GB2RGB_VNG
COLOR_BAYER_GR2BGR COLOR_BAYER_GR2BGRA COLOR_BAYER_GR2BGR_EA
COLOR_BAYER_GR2BGR_VNG COLOR_BAYER_GR2GRAY COLOR_BAYER_GR2RGB
COLOR_BAYER_GR2RGBA COLOR_BAYER_GR2RGB_EA COLOR_BAYER_GR2RGB_VNG
COLOR_BAYER_RG2BGR COLOR_BAYER_RG2BGRA COLOR_BAYER_RG2BGR_EA
COLOR_BAYER_RG2BGR_VNG COLOR_BAYER_RG2GRAY COLOR_BAYER_RG2RGB
COLOR_BAYER_RG2RGBA COLOR_BAYER_RG2RGB_EA COLOR_BAYER_RG2RGB_VNG
COLOR_BGR2BGR555 COLOR_BGR2BGR565 COLOR_BGR2BGRA
COLOR_BGR2GRAY COLOR_BGR2HLS COLOR_BGR2HLS_FULL
COLOR_BGR2HSV COLOR_BGR2HSV_FULL COLOR_BGR2LAB
COLOR_BGR2LUV COLOR_BGR2Lab COLOR_BGR2Luv
COLOR_BGR2RGB COLOR_BGR2RGBA COLOR_BGR2XYZ
COLOR_BGR2YCR_CB COLOR_BGR2YCrCb COLOR_BGR2YUV
COLOR_BGR2YUV_I420 COLOR_BGR2YUV_IYUV COLOR_BGR2YUV_YV12
COLOR_BGR5552BGR COLOR_BGR5552BGRA COLOR_BGR5552GRAY
COLOR_BGR5552RGB COLOR_BGR5552RGBA COLOR_BGR5652BGR
COLOR_BGR5652BGRA COLOR_BGR5652GRAY COLOR_BGR5652RGB
COLOR_BGR5652RGBA COLOR_BGRA2BGR COLOR_BGRA2BGR555
COLOR_BGRA2BGR565 COLOR_BGRA2GRAY COLOR_BGRA2RGB
COLOR_BGRA2RGBA COLOR_BGRA2YUV_I420 COLOR_BGRA2YUV_IYUV
COLOR_BGRA2YUV_YV12 COLOR_BayerBG2BGR COLOR_BayerBG2BGRA
COLOR_BayerBG2BGR_EA COLOR_BayerBG2BGR_VNG COLOR_BayerBG2GRAY
COLOR_BayerBG2RGB COLOR_BayerBG2RGBA COLOR_BayerBG2RGB_EA
COLOR_BayerBG2RGB_VNG COLOR_BayerGB2BGR COLOR_BayerGB2BGRA
COLOR_BayerGB2BGR_EA COLOR_BayerGB2BGR_VNG COLOR_BayerGB2GRAY
COLOR_BayerGB2RGB COLOR_BayerGB2RGBA COLOR_BayerGB2RGB_EA
COLOR_BayerGB2RGB_VNG COLOR_BayerGR2BGR COLOR_BayerGR2BGRA
COLOR_BayerGR2BGR_EA COLOR_BayerGR2BGR_VNG COLOR_BayerGR2GRAY
COLOR_BayerGR2RGB COLOR_BayerGR2RGBA COLOR_BayerGR2RGB_EA
COLOR_BayerGR2RGB_VNG COLOR_BayerRG2BGR COLOR_BayerRG2BGRA
COLOR_BayerRG2BGR_EA COLOR_BayerRG2BGR_VNG COLOR_BayerRG2GRAY
COLOR_BayerRG2RGB COLOR_BayerRG2RGBA COLOR_BayerRG2RGB_EA
COLOR_BayerRG2RGB_VNG COLOR_COLORCVT_MAX COLOR_GRAY2BGR
COLOR_GRAY2BGR555 COLOR_GRAY2BGR565 COLOR_GRAY2BGRA
COLOR_GRAY2RGB COLOR_GRAY2RGBA COLOR_HLS2BGR
COLOR_HLS2BGR_FULL COLOR_HLS2RGB COLOR_HLS2RGB_FULL
COLOR_HSV2BGR COLOR_HSV2BGR_FULL COLOR_HSV2RGB
COLOR_HSV2RGB_FULL COLOR_LAB2BGR COLOR_LAB2LBGR
COLOR_LAB2LRGB COLOR_LAB2RGB COLOR_LBGR2LAB
COLOR_LBGR2LUV COLOR_LBGR2Lab COLOR_LBGR2Luv
COLOR_LRGB2LAB COLOR_LRGB2LUV COLOR_LRGB2Lab
COLOR_LRGB2Luv COLOR_LUV2BGR COLOR_LUV2LBGR
COLOR_LUV2LRGB COLOR_LUV2RGB COLOR_Lab2BGR
COLOR_Lab2LBGR COLOR_Lab2LRGB COLOR_Lab2RGB
COLOR_Luv2BGR COLOR_Luv2LBGR COLOR_Luv2LRGB
COLOR_Luv2RGB COLOR_M_RGBA2RGBA COLOR_RGB2BGR
COLOR_RGB2BGR555 COLOR_RGB2BGR565 COLOR_RGB2BGRA
COLOR_RGB2GRAY COLOR_RGB2HLS COLOR_RGB2HLS_FULL
COLOR_RGB2HSV COLOR_RGB2HSV_FULL COLOR_RGB2LAB
COLOR_RGB2LUV COLOR_RGB2Lab COLOR_RGB2Luv
COLOR_RGB2RGBA COLOR_RGB2XYZ COLOR_RGB2YCR_CB
COLOR_RGB2YCrCb COLOR_RGB2YUV COLOR_RGB2YUV_I420
COLOR_RGB2YUV_IYUV COLOR_RGB2YUV_YV12 COLOR_RGBA2BGR
COLOR_RGBA2BGR555 COLOR_RGBA2BGR565 COLOR_RGBA2BGRA
COLOR_RGBA2GRAY COLOR_RGBA2M_RGBA COLOR_RGBA2RGB
COLOR_RGBA2YUV_I420 COLOR_RGBA2YUV_IYUV COLOR_RGBA2YUV_YV12
COLOR_RGBA2mRGBA COLOR_XYZ2BGR COLOR_XYZ2RGB
COLOR_YCR_CB2BGR COLOR_YCR_CB2RGB COLOR_YCrCb2BGR
COLOR_YCrCb2RGB COLOR_YUV2BGR COLOR_YUV2BGRA_I420
COLOR_YUV2BGRA_IYUV COLOR_YUV2BGRA_NV12 COLOR_YUV2BGRA_NV21
COLOR_YUV2BGRA_UYNV COLOR_YUV2BGRA_UYVY COLOR_YUV2BGRA_Y422
COLOR_YUV2BGRA_YUNV COLOR_YUV2BGRA_YUY2 COLOR_YUV2BGRA_YUYV
COLOR_YUV2BGRA_YV12 COLOR_YUV2BGRA_YVYU COLOR_YUV2BGR_I420
COLOR_YUV2BGR_IYUV COLOR_YUV2BGR_NV12 COLOR_YUV2BGR_NV21
COLOR_YUV2BGR_UYNV COLOR_YUV2BGR_UYVY COLOR_YUV2BGR_Y422
COLOR_YUV2BGR_YUNV COLOR_YUV2BGR_YUY2 COLOR_YUV2BGR_YUYV
COLOR_YUV2BGR_YV12 COLOR_YUV2BGR_YVYU COLOR_YUV2GRAY_420
COLOR_YUV2GRAY_I420 COLOR_YUV2GRAY_IYUV COLOR_YUV2GRAY_NV12
COLOR_YUV2GRAY_NV21 COLOR_YUV2GRAY_UYNV COLOR_YUV2GRAY_UYVY
COLOR_YUV2GRAY_Y422 COLOR_YUV2GRAY_YUNV COLOR_YUV2GRAY_YUY2
COLOR_YUV2GRAY_YUYV COLOR_YUV2GRAY_YV12 COLOR_YUV2GRAY_YVYU
COLOR_YUV2RGB COLOR_YUV2RGBA_I420 COLOR_YUV2RGBA_IYUV
COLOR_YUV2RGBA_NV12 COLOR_YUV2RGBA_NV21 COLOR_YUV2RGBA_UYNV
COLOR_YUV2RGBA_UYVY COLOR_YUV2RGBA_Y422 COLOR_YUV2RGBA_YUNV
COLOR_YUV2RGBA_YUY2 COLOR_YUV2RGBA_YUYV COLOR_YUV2RGBA_YV12
COLOR_YUV2RGBA_YVYU COLOR_YUV2RGB_I420 COLOR_YUV2RGB_IYUV
COLOR_YUV2RGB_NV12 COLOR_YUV2RGB_NV21 COLOR_YUV2RGB_UYNV
COLOR_YUV2RGB_UYVY COLOR_YUV2RGB_Y422 COLOR_YUV2RGB_YUNV
COLOR_YUV2RGB_YUY2 COLOR_YUV2RGB_YUYV COLOR_YUV2RGB_YV12
COLOR_YUV2RGB_YVYU COLOR_YUV420P2BGR COLOR_YUV420P2BGRA
COLOR_YUV420P2GRAY COLOR_YUV420P2RGB COLOR_YUV420P2RGBA
COLOR_YUV420SP2BGR COLOR_YUV420SP2BGRA COLOR_YUV420SP2GRAY
COLOR_YUV420SP2RGB COLOR_YUV420SP2RGBA COLOR_YUV420p2BGR
COLOR_YUV420p2BGRA COLOR_YUV420p2GRAY COLOR_YUV420p2RGB
COLOR_YUV420p2RGBA COLOR_YUV420sp2BGR COLOR_YUV420sp2BGRA
COLOR_YUV420sp2GRAY COLOR_YUV420sp2RGB COLOR_YUV420sp2RGBA
COLOR_mRGBA2RGBA
3、图片读入方式
IMREAD_ANYCOLOR
IMREAD_ANYDEPTH
IMREAD_COLOR
IMREAD_GRAYSCALE
IMREAD_IGNORE_ORIENTATION
IMREAD_LOAD_GDAL
IMREAD_REDUCED_COLOR_2
IMREAD_REDUCED_COLOR_4
IMREAD_REDUCED_COLOR_8
IMREAD_REDUCED_GRAYSCALE_2
IMREAD_REDUCED_GRAYSCALE_4
IMREAD_REDUCED_GRAYSCALE_8
IMREAD_UNCHANGED
4、视频读入方式
CAP_ANDROID
CAP_ANY
CAP_ARAVIS
CAP_AVFOUNDATION
CAP_CMU1394
CAP_DC1394
CAP_DSHOW
CAP_FFMPEG
CAP_FIREWARE
CAP_FIREWIRE
CAP_GIGANETIX
CAP_GPHOTO2
CAP_GSTREAMER
CAP_IEEE1394
CAP_IMAGES
CAP_INTELPERC
CAP_INTELPERC_DEPTH_GENERATOR
CAP_INTELPERC_DEPTH_MAP
CAP_INTELPERC_GENERATORS_MASK
CAP_INTELPERC_IMAGE
CAP_INTELPERC_IMAGE_GENERATOR
CAP_INTELPERC_IR_GENERATOR
CAP_INTELPERC_IR_MAP
CAP_INTELPERC_UVDEPTH_MAP
CAP_INTEL_MFX
CAP_MSMF
CAP_OPENCV_MJPEG
CAP_OPENNI
CAP_OPENNI2
CAP_OPENNI2_ASTRA
CAP_OPENNI2_ASUS
CAP_OPENNI_ASUS
CAP_OPENNI_BGR_IMAGE
CAP_OPENNI_DEPTH_GENERATOR
CAP_OPENNI_DEPTH_GENERATOR_BASELINE
CAP_OPENNI_DEPTH_GENERATOR_FOCAL_LENGTH
CAP_OPENNI_DEPTH_GENERATOR_PRESENT
CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION
CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION_ON
CAP_OPENNI_DEPTH_MAP
CAP_OPENNI_DISPARITY_MAP
CAP_OPENNI_DISPARITY_MAP_32F
CAP_OPENNI_GENERATORS_MASK
CAP_OPENNI_GRAY_IMAGE
CAP_OPENNI_IMAGE_GENERATOR
CAP_OPENNI_IMAGE_GENERATOR_OUTPUT_MODE
CAP_OPENNI_IMAGE_GENERATOR_PRESENT
CAP_OPENNI_IR_GENERATOR
CAP_OPENNI_IR_GENERATOR_PRESENT
CAP_OPENNI_IR_IMAGE
CAP_OPENNI_POINT_CLOUD_MAP
CAP_OPENNI_QVGA_30HZ
CAP_OPENNI_QVGA_60HZ
CAP_OPENNI_SXGA_15HZ
CAP_OPENNI_SXGA_30HZ
CAP_OPENNI_VALID_DEPTH_MASK
CAP_OPENNI_VGA_30HZ
CAP_PROP_APERTURE
CAP_PROP_ARAVIS_AUTOTRIGGER
CAP_PROP_AUTOFOCUS
CAP_PROP_AUTO_EXPOSURE
CAP_PROP_AUTO_WB
CAP_PROP_BACKEND
CAP_PROP_BACKLIGHT
CAP_PROP_BITRATE
CAP_PROP_BRIGHTNESS
CAP_PROP_BUFFERSIZE
CAP_PROP_CHANNEL
CAP_PROP_CODEC_PIXEL_FORMAT
CAP_PROP_CONTRAST
CAP_PROP_CONVERT_RGB
CAP_PROP_DC1394_MAX
CAP_PROP_DC1394_MODE_AUTO
CAP_PROP_DC1394_MODE_MANUAL
CAP_PROP_DC1394_MODE_ONE_PUSH_AUTO
CAP_PROP_DC1394_OFF
CAP_PROP_EXPOSURE
CAP_PROP_EXPOSUREPROGRAM
CAP_PROP_FOCUS
CAP_PROP_FORMAT
CAP_PROP_FOURCC
CAP_PROP_FPS
CAP_PROP_FRAME_COUNT
CAP_PROP_FRAME_HEIGHT
CAP_PROP_FRAME_WIDTH
CAP_PROP_GAIN
CAP_PROP_GAMMA
CAP_PROP_GIGA_FRAME_HEIGH_MAX
CAP_PROP_GIGA_FRAME_OFFSET_X
CAP_PROP_GIGA_FRAME_OFFSET_Y
CAP_PROP_GIGA_FRAME_SENS_HEIGH
CAP_PROP_GIGA_FRAME_SENS_WIDTH
CAP_PROP_GIGA_FRAME_WIDTH_MAX
CAP_PROP_GPHOTO2_COLLECT_MSGS
CAP_PROP_GPHOTO2_FLUSH_MSGS
CAP_PROP_GPHOTO2_PREVIEW
CAP_PROP_GPHOTO2_RELOAD_CONFIG
CAP_PROP_GPHOTO2_RELOAD_ON_CHANGE
CAP_PROP_GPHOTO2_WIDGET_ENUMERATE
CAP_PROP_GSTREAMER_QUEUE_LENGTH
CAP_PROP_GUID
CAP_PROP_HUE
CAP_PROP_HW_ACCELERATION
CAP_PROP_HW_DEVICE
CAP_PROP_IMAGES_BASE
CAP_PROP_IMAGES_LAST
CAP_PROP_INTELPERC_DEPTH_CONFIDENCE_THRESHOLD
CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_HORZ
CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_VERT
CAP_PROP_INTELPERC_DEPTH_LOW_CONFIDENCE_VALUE
CAP_PROP_INTELPERC_DEPTH_SATURATION_VALUE
CAP_PROP_INTELPERC_PROFILE_COUNT
CAP_PROP_INTELPERC_PROFILE_IDX
CAP_PROP_IOS_DEVICE_EXPOSURE
CAP_PROP_IOS_DEVICE_FLASH
CAP_PROP_IOS_DEVICE_FOCUS
CAP_PROP_IOS_DEVICE_TORCH
CAP_PROP_IOS_DEVICE_WHITEBALANCE
CAP_PROP_IRIS
CAP_PROP_ISO_SPEED
CAP_PROP_MODE
CAP_PROP_MONOCHROME
CAP_PROP_OPENNI2_MIRROR
CAP_PROP_OPENNI2_SYNC
CAP_PROP_OPENNI_APPROX_FRAME_SYNC
CAP_PROP_OPENNI_BASELINE
CAP_PROP_OPENNI_CIRCLE_BUFFER
CAP_PROP_OPENNI_FOCAL_LENGTH
CAP_PROP_OPENNI_FRAME_MAX_DEPTH
CAP_PROP_OPENNI_GENERATOR_PRESENT
CAP_PROP_OPENNI_MAX_BUFFER_SIZE
CAP_PROP_OPENNI_MAX_TIME_DURATION
CAP_PROP_OPENNI_OUTPUT_MODE
CAP_PROP_OPENNI_REGISTRATION
CAP_PROP_OPENNI_REGISTRATION_ON
CAP_PROP_ORIENTATION_AUTO
CAP_PROP_ORIENTATION_META
CAP_PROP_PAN
CAP_PROP_POS_AVI_RATIO
CAP_PROP_POS_FRAMES
CAP_PROP_POS_MSEC
CAP_PROP_PVAPI_BINNINGX
CAP_PROP_PVAPI_BINNINGY
CAP_PROP_PVAPI_DECIMATIONHORIZONTAL
CAP_PROP_PVAPI_DECIMATIONVERTICAL
CAP_PROP_PVAPI_FRAMESTARTTRIGGERMODE
CAP_PROP_PVAPI_MULTICASTIP
CAP_PROP_PVAPI_PIXELFORMAT
CAP_PROP_RECTIFICATION
CAP_PROP_ROLL
CAP_PROP_SAR_DEN
CAP_PROP_SAR_NUM
CAP_PROP_SATURATION
CAP_PROP_SETTINGS
CAP_PROP_SHARPNESS
CAP_PROP_SPEED
CAP_PROP_TEMPERATURE
CAP_PROP_TILT
CAP_PROP_TRIGGER
CAP_PROP_TRIGGER_DELAY
CAP_PROP_VIEWFINDER
CAP_PROP_WB_TEMPERATURE
CAP_PROP_WHITE_BALANCE_BLUE_U
CAP_PROP_WHITE_BALANCE_RED_V
CAP_PROP_XI_ACQ_BUFFER_SIZE
CAP_PROP_XI_ACQ_BUFFER_SIZE_UNIT
CAP_PROP_XI_ACQ_FRAME_BURST_COUNT
CAP_PROP_XI_ACQ_TIMING_MODE
CAP_PROP_XI_ACQ_TRANSPORT_BUFFER_COMMIT
CAP_PROP_XI_ACQ_TRANSPORT_BUFFER_SIZE
CAP_PROP_XI_AEAG
CAP_PROP_XI_AEAG_LEVEL
CAP_PROP_XI_AEAG_ROI_HEIGHT
CAP_PROP_XI_AEAG_ROI_OFFSET_X
CAP_PROP_XI_AEAG_ROI_OFFSET_Y
CAP_PROP_XI_AEAG_ROI_WIDTH
CAP_PROP_XI_AE_MAX_LIMIT
CAP_PROP_XI_AG_MAX_LIMIT
CAP_PROP_XI_APPLY_CMS
CAP_PROP_XI_AUTO_BANDWIDTH_CALCULATION
CAP_PROP_XI_AUTO_WB
CAP_PROP_XI_AVAILABLE_BANDWIDTH
CAP_PROP_XI_BINNING_HORIZONTAL
CAP_PROP_XI_BINNING_PATTERN
CAP_PROP_XI_BINNING_SELECTOR
CAP_PROP_XI_BINNING_VERTICAL
CAP_PROP_XI_BPC
CAP_PROP_XI_BUFFERS_QUEUE_SIZE
CAP_PROP_XI_BUFFER_POLICY
CAP_PROP_XI_CC_MATRIX_00
CAP_PROP_XI_CC_MATRIX_01
CAP_PROP_XI_CC_MATRIX_02
CAP_PROP_XI_CC_MATRIX_03
CAP_PROP_XI_CC_MATRIX_10
CAP_PROP_XI_CC_MATRIX_11
CAP_PROP_XI_CC_MATRIX_12
CAP_PROP_XI_CC_MATRIX_13
CAP_PROP_XI_CC_MATRIX_20
CAP_PROP_XI_CC_MATRIX_21
CAP_PROP_XI_CC_MATRIX_22
CAP_PROP_XI_CC_MATRIX_23
CAP_PROP_XI_CC_MATRIX_30
CAP_PROP_XI_CC_MATRIX_31
CAP_PROP_XI_CC_MATRIX_32
CAP_PROP_XI_CC_MATRIX_33
CAP_PROP_XI_CHIP_TEMP
CAP_PROP_XI_CMS
CAP_PROP_XI_COLOR_FILTER_ARRAY
CAP_PROP_XI_COLUMN_FPN_CORRECTION
CAP_PROP_XI_COOLING
CAP_PROP_XI_COUNTER_SELECTOR
CAP_PROP_XI_COUNTER_VALUE
CAP_PROP_XI_DATA_FORMAT
CAP_PROP_XI_DEBOUNCE_EN
CAP_PROP_XI_DEBOUNCE_POL
CAP_PROP_XI_DEBOUNCE_T0
CAP_PROP_XI_DEBOUNCE_T1
CAP_PROP_XI_DEBUG_LEVEL
CAP_PROP_XI_DECIMATION_HORIZONTAL
CAP_PROP_XI_DECIMATION_PATTERN
CAP_PROP_XI_DECIMATION_SELECTOR
CAP_PROP_XI_DECIMATION_VERTICAL
CAP_PROP_XI_DEFAULT_CC_MATRIX
CAP_PROP_XI_DEVICE_MODEL_ID
CAP_PROP_XI_DEVICE_RESET
CAP_PROP_XI_DEVICE_SN
CAP_PROP_XI_DOWNSAMPLING
CAP_PROP_XI_DOWNSAMPLING_TYPE
CAP_PROP_XI_EXPOSURE
CAP_PROP_XI_EXPOSURE_BURST_COUNT
CAP_PROP_XI_EXP_PRIORITY
CAP_PROP_XI_FFS_ACCESS_KEY
CAP_PROP_XI_FFS_FILE_ID
CAP_PROP_XI_FFS_FILE_SIZE
CAP_PROP_XI_FRAMERATE
CAP_PROP_XI_FREE_FFS_SIZE
CAP_PROP_XI_GAIN
CAP_PROP_XI_GAIN_SELECTOR
CAP_PROP_XI_GAMMAC
CAP_PROP_XI_GAMMAY
CAP_PROP_XI_GPI_LEVEL
CAP_PROP_XI_GPI_MODE
CAP_PROP_XI_GPI_SELECTOR
CAP_PROP_XI_GPO_MODE
CAP_PROP_XI_GPO_SELECTOR
CAP_PROP_XI_HDR
CAP_PROP_XI_HDR_KNEEPOINT_COUNT
CAP_PROP_XI_HDR_T1
CAP_PROP_XI_HDR_T2
CAP_PROP_XI_HEIGHT
CAP_PROP_XI_HOUS_BACK_SIDE_TEMP
CAP_PROP_XI_HOUS_TEMP
CAP_PROP_XI_HW_REVISION
CAP_PROP_XI_IMAGE_BLACK_LEVEL
CAP_PROP_XI_IMAGE_DATA_BIT_DEPTH
CAP_PROP_XI_IMAGE_DATA_FORMAT
CAP_PROP_XI_IMAGE_DATA_FORMAT_RGB32_ALPHA
CAP_PROP_XI_IMAGE_IS_COLOR
CAP_PROP_XI_IMAGE_PAYLOAD_SIZE
CAP_PROP_XI_IS_COOLED
CAP_PROP_XI_IS_DEVICE_EXIST
CAP_PROP_XI_KNEEPOINT1
CAP_PROP_XI_KNEEPOINT2
CAP_PROP_XI_LED_MODE
CAP_PROP_XI_LED_SELECTOR
CAP_PROP_XI_LENS_APERTURE_VALUE
CAP_PROP_XI_LENS_FEATURE
CAP_PROP_XI_LENS_FEATURE_SELECTOR
CAP_PROP_XI_LENS_FOCAL_LENGTH
CAP_PROP_XI_LENS_FOCUS_DISTANCE
CAP_PROP_XI_LENS_FOCUS_MOVE
CAP_PROP_XI_LENS_FOCUS_MOVEMENT_VALUE
CAP_PROP_XI_LENS_MODE
CAP_PROP_XI_LIMIT_BANDWIDTH
CAP_PROP_XI_LUT_EN
CAP_PROP_XI_LUT_INDEX
CAP_PROP_XI_LUT_VALUE
CAP_PROP_XI_MANUAL_WB
CAP_PROP_XI_OFFSET_X
CAP_PROP_XI_OFFSET_Y
CAP_PROP_XI_OUTPUT_DATA_BIT_DEPTH
CAP_PROP_XI_OUTPUT_DATA_PACKING
CAP_PROP_XI_OUTPUT_DATA_PACKING_TYPE
CAP_PROP_XI_RECENT_FRAME
CAP_PROP_XI_REGION_MODE
CAP_PROP_XI_REGION_SELECTOR
CAP_PROP_XI_ROW_FPN_CORRECTION
CAP_PROP_XI_SENSOR_BOARD_TEMP
CAP_PROP_XI_SENSOR_CLOCK_FREQ_HZ
CAP_PROP_XI_SENSOR_CLOCK_FREQ_INDEX
CAP_PROP_XI_SENSOR_DATA_BIT_DEPTH
CAP_PROP_XI_SENSOR_FEATURE_SELECTOR
CAP_PROP_XI_SENSOR_FEATURE_VALUE
CAP_PROP_XI_SENSOR_MODE
CAP_PROP_XI_SENSOR_OUTPUT_CHANNEL_COUNT
CAP_PROP_XI_SENSOR_TAPS
CAP_PROP_XI_SHARPNESS
CAP_PROP_XI_SHUTTER_TYPE
CAP_PROP_XI_TARGET_TEMP
CAP_PROP_XI_TEST_PATTERN
CAP_PROP_XI_TEST_PATTERN_GENERATOR_SELECTOR
CAP_PROP_XI_TIMEOUT
CAP_PROP_XI_TRANSPORT_PIXEL_FORMAT
CAP_PROP_XI_TRG_DELAY
CAP_PROP_XI_TRG_SELECTOR
CAP_PROP_XI_TRG_SOFTWARE
CAP_PROP_XI_TRG_SOURCE
CAP_PROP_XI_TS_RST_MODE
CAP_PROP_XI_TS_RST_SOURCE
CAP_PROP_XI_USED_FFS_SIZE
CAP_PROP_XI_WB_KB
CAP_PROP_XI_WB_KG
CAP_PROP_XI_WB_KR
CAP_PROP_XI_WIDTH
CAP_PROP_ZOOM
CAP_PVAPI
CAP_PVAPI_DECIMATION_2OUTOF16
CAP_PVAPI_DECIMATION_2OUTOF4
CAP_PVAPI_DECIMATION_2OUTOF8
CAP_PVAPI_DECIMATION_OFF
CAP_PVAPI_FSTRIGMODE_FIXEDRATE
CAP_PVAPI_FSTRIGMODE_FREERUN
CAP_PVAPI_FSTRIGMODE_SOFTWARE
CAP_PVAPI_FSTRIGMODE_SYNCIN1
CAP_PVAPI_FSTRIGMODE_SYNCIN2
CAP_PVAPI_PIXELFORMAT_BAYER16
CAP_PVAPI_PIXELFORMAT_BAYER8
CAP_PVAPI_PIXELFORMAT_BGR24
CAP_PVAPI_PIXELFORMAT_BGRA32
CAP_PVAPI_PIXELFORMAT_MONO16
CAP_PVAPI_PIXELFORMAT_MONO8
CAP_PVAPI_PIXELFORMAT_RGB24
CAP_PVAPI_PIXELFORMAT_RGBA32
CAP_QT
CAP_REALSENSE
CAP_UEYE
CAP_UNICAP
CAP_V4L
CAP_V4L2
CAP_VFW
CAP_WINRT
CAP_XIAPI
CAP_XINE 5、字体
FONT_HERSHEY_COMPLEX
FONT_HERSHEY_COMPLEX_SMALL
FONT_HERSHEY_DUPLEX
FONT_HERSHEY_PLAIN
FONT_HERSHEY_SCRIPT_COMPLEX
FONT_HERSHEY_SCRIPT_SIMPLEX
FONT_HERSHEY_SIMPLEX
FONT_HERSHEY_TRIPLEX
FONT_ITALIC
6、阈值化type参数类型
'THRESH_BINARY',
'THRESH_BINARY_INV',
'THRESH_MASK',
'THRESH_OTSU',
'THRESH_TOZERO',
'THRESH_TOZERO_INV',
'THRESH_TRIANGLE',
'THRESH_TRUNC'7、范式
NORM_HAMMING
NORM_HAMMING2
NORM_INF
NORM_L1
NORM_L2
NORM_L2SQR
NORM_MINMAX
NORM_RELATIVE
NORM_TYPE_MASK