how to connect with usb cameras using qt for ImageProcesssing.

Hi Everybody.,

I am new to qt i am using qt 4.4.1 in my project i want to connect with usb camera,

please anybody tell me how to connect with usb cameras and how to get the images from that camera.


Many Thanks

You need an additional library for that. Like OpenCV.

http://opencvlibrary.sourceforge.net/CameraCapture

Thank you very much for your valuable reply.

If you're developing on a Linux platform, you can read from /dev/videoN, using the Video4Linux(2) API. It's pretty straightforward.
On Windows, I have no clue ;)