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2013-10-20 08:42:02 -0500 asked a question Using camera calibration parameters in a real-time video capture application

So, I am capturing a video from a cheap usb web-cam. I then compute optic flow from this feed. I am finally using these optic-flow measurements for (monocular) robot navigation. I have calibrated my camera and have the intrinsic and distortion parameters in two separate xml files. My question is, how do I use these parameters in my video capture code now. If somebody could please show this using a code/pueudo-code, that would be very helpful.