Geographic coordinate to Image coordinate

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hwe Kanote - 2022-01-18T13:40:24+00:00
Question: Geographic coordinate to Image coordinate

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?

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    • Expert Answer

    Profile picture of Kshitij Singh Kshitij Singh answered . 2025-11-20

    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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