How do I call a third-party camera in yolov5's detect?

To call a third-party camera in YOLOv5's detect, you can use the VideoCapture class in the OpenCV library to read the camera's video stream.

You can do this:

1. First, install the OpenCV library.

2. Then, include the following header files in your code:

#include <opencv2/opencv.hpp>
#include <opencv2/videoio.hpp>

3. Next, create a VideoCapture object for capturing the camera's video stream:

cv::VideoCapture cap;

4. Then, turn on the camera and check if it is successfully opened:

if (!cap.open(0)) {
    std::cerr << "Failed to open camera." << std::endl;
    return -1;
}

5. Next, you can use the cap.read() method to read each frame of the camera, and use the detect method of YOLOv5 to detect the target.

For example, you can read each frame of the camera in a loop and use YOLOv5's detect method to detect objects:

while (true) {
    cv::Mat frame;
    if (!cap.read(frame)) {
        break;
    }// 使用 YOLOv5 的 detect 方法来检测目标
    detect(frame);
}

Hope this information helps you.