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Using Photo points to "geotag" old images in QGIS

Geographic Information Systems Asked by john10710 on August 3, 2020

I have a bunch of old aerial images(in jpg format), however they do not contain any coordinates.
I have a shape file which has the coordinates of the images and one of the attributes is the image file name. ( i assume that it will be the center point of these images)

Is there a way to "geotag" or to pin the photos to these points using QGIS?

There are about 6000 aerial photos.

One Answer

For a QGIS solution, if you know the size of the image in pixels and also what size each pixel is you should be able to georeference the images by calculating the corner locations as per this question: Georeference image using center point and size?

The documentation for gdal-translate is here: https://gdal.org/programs/gdal_translate.html

This can relatively easily be integrated into a geoprocessing script to process all of your data.

Answered by Ed Rollason on August 3, 2020

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