find neck detection using c sharp.net

Hi,

 It's possible that i'm wrong, and you have solve your problem,  but if you need motion detection, or possibility to set up your webcam scale options, I can offer an example to you. I hope that will help to solve your aims or you can find more solutions for your project. 

http://www.camera-sdk.com/p_35-how-to-connect-to-an-usb-camera-and-display-the-picture-onvif.html

You can try and study the example. Besides that if you havel also solved the problem, you can find more solution how can you connect, and detect motions both sides: 

http://www.camera-sdk.com/p_60-how-to-set-motion-detection-sensitivity-onvif.html

I hope you will enjoy this camera solution.