Acquire Images from IP Cameras
This example shows how to use the
snapshot function to acquire one
image frame from an IP camera and display it.
ipcamobject using the URL of the IP camera. The URL must be for a Motion JPEG (
mjpeg) over HTTP or RTSP stream or H.264 over RTSP stream with basic authentication or digest authentication. For more information on finding the URL, see Troubleshooting Connection Issues to the IP Camera.
cam = ipcam('http://172.28.17.104/video/mjpg.cgi')
cam = Display Summary for ipcam: URL: 'http://172.28.17.104/video/mjpg.cgi' Username: '' Password: '' Timeout: 10
ipcamfunction creates the object and connects it to the IP camera with the specified URL. The camera used in this example does not require user authentication. If your camera does, see Connect with User Authentication to create the object with user name and password.
Optionally, preview the image from the camera.
The preview window opens and displays live video stream from your camera. For more information about the preview window, see the
You can close the preview window at any time.
Acquire a single image from the camera using the
snapshotfunction, and assign it to
img = snapshot(cam);
Display the acquired image.
Release the camera by clearing the object.
You can also acquire the timestamp with the snapshot. See Acquire One Image Frame and the Timestamp from an IP Camera.