图像采集

从 IP 摄像头采集图像

使用 ipcam 对象创建到 IP 摄像头的连接。要创建该对象，您需要摄像头的 URL。如果摄像头需要身份验证，请指定用户名和密码。URL 必须为 HTTP/RTSP 上的 Motion JPEG (mjpeg) 或 RTSP 流上的 H.264。

使用 snapshot 函数从 IP 摄像头采集图像。您可以采集单个图像，也可以设置循环来采集多个图像。使用 preview 函数测试摄像头流。

有关显示如何连接的示例和查找 IP 摄像机的 URL 和流编解码器的提示，请参阅Connect to IP Cameras。

函数

`ipcam`	Create `ipcam` object to acquire images from an IP camera
`preview`	Preview live video data from IP camera
`snapshot`	Acquire single image frame from an IP camera
`closePreview`	Close IP camera preview window

Find IP Camera URL
Find the URL of your IP Camera.
Set Properties for IP Camera Acquisition
Set device specific properties of the IP camera during or after object creation and using the webread function.
Acquire Images from IP Cameras
Learn how to use the snapshot function to acquire one image frame from an IP camera and display it.
Acquire IP Camera Images in a Loop and Create an AVI File
Acquire multiple image frames from an IP camera, and log the images to an AVI file using MATLAB^® VideoWriter.