Geographic coordinate to Image coordinate

H
hwe Kanote · Jan 18, 2022 · 2.1K views
Question
I have images which are extracted from google earth and I would like to transform geography coordinate to simple image coordinate (x,y) of some point. I have four corner point coordinates of image. The point which I transform is 16 48 36.49 N, 96 7 0.82. What should I do and What are useful methods?
Expert Answer
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Kshitij Singh PhD Expert
Answered Aug 24, 2026

You should use the georasterref function to create geographic raster reference object. For example,

 

R = georasterref('LatitudeLimits', [27 28], 'LongitudeLimits', [86 87],'RasterSize', [121 121])
The raster size is your image size. 
 
Then you can use the function geographicToIntrinsic to obtain the intrinsic coordinates. The function can be called as,
 
 
[xIntrinsic, yIntrinsic] = geographicToIntrinsic(R,lat, lon)

 

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