Consider an image with the centre pixel coordinates x y located at point 2500 1875 Given that the square pixel is 0 0016 mm wide the distorted pixel xd yd is located at 1267 2480 and we want the undistorted point xu yu to differ by only one pixel In other words xu xa y 0 0016mm What is the value of the first order distortion parameter given the above conditions and that Pin Cushion distortion is present Round your answer to 2 sf K