最終更新:2019-06-03 (月) 16:15:53 (1787d)
cv::VideoCaptureProperties
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CV_CAP_PROP_* cv::CAP_PROP_POS_MSEC? CV_CAP_PROP_POS_MSEC 0 Current position of the video file in milliseconds. cv::CAP_PROP_POS_FRAMES CV_CAP_PROP_POS_FRAMES 1 0-based index of the frame to be decoded/captured next. cv::CAP_PROP_POS_AVI_RATIO? CV_CAP_PROP_POS_AVI_RATIO? 2 Relative position of the video file: 0=start of the film, 1=end of the film. cv::CAP_PROP_FRAME_WIDTH? CV_CAP_PROP_FRAME_WIDTH 3 Width of the frames in the video stream. cv::CAP_PROP_FRAME_HEIGHT? CV_CAP_PROP_FRAME_HEIGHT 4 Height of the frames in the video stream. cv::CAP_PROP_FPS? CV_CAP_PROP_FPS 5 Frame rate. cv::CAP_PROP_FOURCC CV_CAP_PROP_FOURCC 6 4-character code of codec. see VideoWriter::fourcc . cv::CAP_PROP_FRAME_COUNT CV_CAP_PROP_FRAME_COUNT? 7 Number of frames in the video file. cv::CAP_PROP_FORMAT? CV_CAP_PROP_FORMAT? 8 Format of the %Mat objects returned by VideoCapture::retrieve(). cv::CAP_PROP_MODE? CV_CAP_PROP_MODE? 9 Backend-specific value indicating the current capture mode. cv::CAP_PROP_BRIGHTNESS? CV_CAP_PROP_BRIGHTNESS? 10 Brightness of the image (only for those cameras that support). cv::CAP_PROP_CONTRAST? CV_CAP_PROP_CONTRAST? 11 Contrast of the image (only for cameras). cv::CAP_PROP_SATURATION? CV_CAP_PROP_CONTRAST? 12 Saturation of the image (only for cameras). cv::CAP_PROP_HUE? CV_CAP_PROP_HUE? 13 Hue of the image (only for cameras). cv::CAP_PROP_GAIN? CV_CAP_PROP_GAIN? 14 Gain of the image (only for those cameras that support). cv::CAP_PROP_EXPOSURE? CV_CAP_PROP_EXPOSURE? 15 Exposure (only for those cameras that support). cv::CAP_PROP_CONVERT_RGB? CV_CAP_PROP_CONVERT_RGB? 16 Boolean flags indicating whether images should be converted to RGB. cv::CAP_PROP_WHITE_BALANCE_BLUE_U? CV_CAP_PROP_WHITE_BALANCE_BLUE_U 17 Currently unsupported. cv::CAP_PROP_RECTIFICATION? CV_CAP_PROP_RECTIFICATION? 18 Rectification flag for stereo cameras (note: only supported by DC1394 v 2.x backend currently). cv::CAP_PROP_MONOCHROME? CV_CAP_PROP_MONOCHROME? 19 cv::CAP_PROP_SHARPNESS? CV_CAP_PROP_SHARPNESS? 20 cv::CAP_PROP_AUTO_EXPOSURE? CV_CAP_PROP_AUTO_EXPOSURE? 21 DC1394: exposure control done by camera, user can adjust reference level using this feature. cv::CAP_PROP_GAMMA? CV_CAP_PROP_GAMMA? 22 cv::CAP_PROP_TEMPERATURE? CV_CAP_PROP_TEMPERATURE? 23 cv::CAP_PROP_TRIGGER? CV_CAP_PROP_TRIGGER? 24 cv::CAP_PROP_TRIGGER_DELAY? CV_CAP_PROP_TRIGGER_DELAY? 25 cv::CAP_PROP_WHITE_BALANCE_RED_V? CV_CAP_PROP_WHITE_BALANCE_RED_V? 26 cv::CAP_PROP_ZOOM? CV_CAP_PROP_ZOOM? 27 cv::CAP_PROP_FOCUS? CV_CAP_PROP_FOCUS? 28 cv::CAP_PROP_GUID? CV_CAP_PROP_GUID? 29 cv::CAP_PROP_ISO_SPEED? CV_CAP_PROP_ISO_SPEED? 30 cv::CAP_PROP_BACKLIGHT? CV_CAP_PROP_BACKLIGHT? 32 cv::CAP_PROP_PAN? CV_CAP_PROP_PAN? 33 cv::CAP_PROP_TILT? CV_CAP_PROP_TILT? 34 cv::CAP_PROP_ROLL? CV_CAP_PROP_ROLL? 35 cv::CAP_PROP_IRIS? CV_CAP_PROP_IRIS? 36 cv::CAP_PROP_SETTINGS? CV_CAP_PROP_SETTINGS 37 Pop up video/camera filter dialog (note: only supported by DSHOW backend currently. The property value is ignored) cv::CAP_PROP_BUFFERSIZE? CV_CAP_PROP_BUFFERSIZE? 38 cv::CAP_PROP_AUTOFOCUS? CV_CAP_PROP_AUTOFOCUS? 39 cv::CAP_PROP_SAR_NUM? CV_CAP_PROP_SAR_NUM? 40 Sample aspect ratio: num/den (num) cv::CAP_PROP_SAR_DEN? CV_CAP_PROP_SAR_DEN? 41 Sample aspect ratio: num/den (den) cv::CAP_PROP_BACKEND 42 Current backend (enum VideoCaptureAPIs). Read-only property cv::CAP_PROP_CHANNEL? 43 Video input or Channel Number (only for those cameras that support) cv::CAP_PROP_AUTO_WB? 44 enable/ disable auto white-balance cv::CAP_PROP_WB_TEMPERATURE? 45 white-balance color temperature