OpenCV编程->USB摄像头参数调试

OpenCV实战：USB摄像头参数调优

最新推荐文章于 2025-09-29 15:12:36 发布

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最新推荐文章于 2025-09-29 15:12:36 发布 · 1.2w 阅读

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CC 4.0 BY-SA版权

本文详细探讨了使用OpenCV库进行USB摄像头参数的调试过程，包括调整分辨率、帧率、曝光时间等，以优化图像质量和捕获性能。通过实例代码展示了如何访问和修改摄像头参数，为视频流应用提供更好的图像效果。

enum
{
    // modes of the controlling registers (can be: auto, manual, auto single push, absolute Latter allowed with any other mode)
    // every feature can have only one mode turned on at a time
    CV_CAP_PROP_DC1394_OFF         = -4,  //turn the feature off (not controlled manually nor automatically)
    CV_CAP_PROP_DC1394_MODE_MANUAL = -3, //set automatically when a value of the feature is set by the user
    CV_CAP_PROP_DC1394_MODE_AUTO = -2,
    CV_CAP_PROP_DC1394_MODE_ONE_PUSH_AUTO = -1,
    CV_CAP_PROP_POS_MSEC       =0,  //获取某一时间点的图像
    CV_CAP_PROP_POS_FRAMES     =1,  //获取某一帧图像
    CV_CAP_PROP_POS_AVI_RATIO  =2,  //获取*位置的图像
    CV_CAP_PROP_FRAME_WIDTH    =3,  //获取帧宽度
    CV_CAP_PROP_FRAME_HEIGHT   =4,  //获取帧高度
    CV_CAP_PROP_FPS            =5,  //获取帧率
    CV_CAP_PROP_FOURCC         =6,  //4字符编码的编码器.
    CV_CAP_PROP_FRAME_COUNT    =7,  //获取总帧数
    CV_CAP_PROP_FORMAT         =8,  //视频格式
    CV_CAP_PROP_MODE           =9,  //布尔型标记图像是否应该被转换为RGB.
    CV_CAP_PROP_BRIGHTNESS    =10,  //亮度
    CV_CAP_PROP_CONTRAST      =11,  //对比度
    CV_CAP_PROP_SATURATION    =12,  //饱和度
    CV_CAP_PROP_HUE           =13,  //色调
    CV_CAP_PROP_GAIN          =14,  //增益
    CV_CAP_PROP_EXPOSURE      =15,  //曝光
    CV_CAP_PROP_CONVERT_RGB   =16,  //立体相机的矫正标记
    CV_CAP_PROP_WHITE_BALANCE_BLUE_U =17, //白平衡
    CV_CAP_PROP_RECTIFICATION =18,
    CV_CAP_PROP_MONOCROME     =19,
    CV_CAP_PROP_SHARPNESS     =20,
    CV_CAP_PROP_AUTO_EXPOSURE =21, // exposure control done by camera,
                                   // user can adjust refernce level
                                   // using this feature
    CV_CAP_PROP_GAMMA         =22,
    CV_CAP_PROP_TEMPERATURE   =23,
    CV_CAP_PROP_TRIGGER       =24,
    CV_CAP_PROP_TRIGGER_DELAY =25,
    CV_CAP_PROP_WHITE_BALANCE_RED_V =26,
    CV_CAP_PROP_ZOOM          =27,
    CV_CAP_PROP_FOCUS         =28,
    CV_CAP_PROP_GUID          =29,
    CV_CAP_PROP_ISO_SPEED     =30,
    CV_CAP_PROP