# Chamber calibration Internal matrix, what do the values represent?

So I did a camera calibration using the checkerboard and Matlab camera calibration dashboard. So the internal matrix I got for this particular session looks like this:

Internal matrix: [349.3601.0.0; 0.349.7267.0; 258,0883,210,5905,1]

I am trying to find the meaning of these values in a matrix but have no success so far.

Can anyone help me?

thank

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