How to connect a network IP Camera to MATLAB ?

I have a Vivotek camera which is connected via Ethernet. The video format is MJPG. How do I use MATLAB to read data from the camera ? I know the IP Address. I am trying to run the Kalman Filter using the frame by frame data from the camera. Or is there some other work around ?

I tried :

url = 'http://169.254.244.236/video.mjpg'; data = imread(url);

But the program just says it's 'busy' and it never completes reading the image.