Is there a routine in MATLAB which could help morph images in a specific manner?

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Rudy
Rudy 2016-3-24
回答： Charles Dunn 2016-3-24
Hi there,
My brother has some old photos taken from a plane on which he wants to put coordinates. The eventual goal is to be able to compare them to modern photos. Problem is: the old photos are deformed due to the lens' shape and the angle under which the photos were taken (camera was not pointed towards the ground). He asked me if I could write a code in MATLAB which could morph his old photos so that they will have the same dimensions as the modern ones. Is there a routine in MATLAB which could help solve this problem? Any help is welcome.
Kind regards, Rudy

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Charles Dunn
Charles Dunn 2016-3-24
If you have access to the lens that took the images, you could use MATLABs camera calibration tool
http://www.mathworks.com/help/vision/ug/single-camera-calibrator-app.html
You need to take photos of a checkerboard. If you don't have access to the camera/lens setup still, the problem is a bit harder. You could start by looking into common lens distortion equations though. See the Mapping Functions section of this page for some possibilities:
https://en.wikipedia.org/wiki/Fisheye_lens

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