[Geo4All] Need help -- Unsupervised classification in QGIS of a non-georeferenced aerial photo?

[labrinos at eled.auth.gr]

Hi Charlie,

You have to georefernce the image.
Go to Plugins and check the "Georeferencer GDAL" plugin and then run  
the plugin.
Follow the instructions.

Nikos



Παραθέτοντας από Charlie Schweik <cschweik at pubpol.umass.edu>:

> Hi GeoForAll colleagues,
>
> I'm trying to generate an unsupervised classifcation of a single aerial
> photo taken by a quadcopter of gulls in a water body. I'm trying to count
> the gulls.
> The image is in X/Y Cartesian coordinates -- it is not georeferenced. I'm
> trying to use QGIS' Semi-automated classification plug-in.
> I can't get it to work because the image isn't in a geographic or projected
> coordinate system.
>
> Does anyone have any ideas on how I could do this in QGIS?
>
> Thanks in advance,
>
> Charlie Schweik
>
>
> --
> Charlie Schweik
>
> Professor
> Department of Environmental Conservation & School of Public Policy
> University of Massachusetts, Amherst
>
> Facebook: Charles.Schweik
> Twitter: @cschweik



-- 
Δρ. Νίκος Λαμπρινός
Καθηγητής της Διδασκαλίας της Γεωγραφίας
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	  http://www.digital-earth.edu.gr/
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---------------------------------------------------------------------
Dr. Nikos Lambrinos
Professor of Geography Teaching
Director of Digital Analysis and Educational Design Laboratory
President of the Hellenic digital earth Centre of Excellence
Faculty of Education
School of Primary Education
Dept. of Science and New Technologies
Aristotle University of Thessaloniki
GR-54124 Thessaloniki, Greece
Tel: +30 2310 991201
Email: labrinos at eled.auth.gr
Web Page:     http://users.auth.gr/labrinos/
	      http://www.digital-earth.edu.gr/
	      https://www.auth.gr/en/univUnits