最終更新:2020-05-11 (月) 19:17:51 (1439d)
OpenCV/カメラ
C++
OpenCvSharp
OpenCV 3.2
- 数字以外のパスも渡せるようになった
- cv::VideoCapture cap("/dev/video20", cv::CAP_V4L);
カメラの個数の取得
- There is still no any functionality related to camera count in OpenCV at the current moment (OpenCV 3.0)
Windows (DirectShow用)
内部の実装
Windows
VideoCapture::open
OpenCV 4
- cv::VideoBackendRegistry::getAvailableBackends_CaptureByFilename?
- cv::VideoBackendRegistry::getAvailableBackends_CaptureByIndex
