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I want to test a program for image classification that uses GeoTiff data with a separate file for each band. So I'm looking for some sample satellite data, preferably of Landsat 7, that doesn't need any further correction or pre-processing (I'm not familiar with these things and just want to do a brief testing) and can be used as is. It should be in separate GeoTiff files for each band, or there should be a way to separate them.

I already searched a lot in the web and found services like GloVis, LandsatLook Viewer or USGS Earth Explorer, but I simply don't know how to use this data, it seems to require pre-processing, which I have neither the skills for nor do I have the software for that.

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    $\begingroup$ In all the sites you mention you can get the images in GeoTiff (one file per band), no further processing needed. I could answer this with some steps, but this question should go to GIS SE. Take into account that after 2003 Landsat 7 had the SLC-off, resulting in black stripes in most of the images. And also take into account that Landsat 8 data comes in 16-bits files, so no all image software will display it correctly without some level adjustments. $\endgroup$ – Camilo Rada Jan 26 at 16:34
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    $\begingroup$ I'm voting to close this question as off-topic because it belongs to gis.stackexchange.com $\endgroup$ – Camilo Rada Jan 26 at 16:36
  • $\begingroup$ You might get better answers at Open Data, but please read carefully the guidelines for that site before asking there. $\endgroup$ – gerrit Feb 21 at 8:03
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I don't exactly know what are you looking for, but based my own wild guess and hopefully you will be able to get your Landsat data (ready for analysis) from earth-science. https://search.earthdata.nasa.gov/search/granules?p=C1452914042-USGS_EROS&tl=1532843869!4!!&q=Landsat&ok=Landsat

cheers

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