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I finally figured it out, it was just the image statistics. I needed to ignore 0's when computing image stats and it came out fine.


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I got it to work. I think the instructions on the QGIS 2.6 for macOS installer's read me are not 100% correct. There we can read: For the Value enter: /Library/Frameworks/Python.framework/Versions/3.6/bin:/Library/Frameworks/GDAL.framework/Versions/2.3/Programs: but it turned out I had to enter 2 PATH variables and not only one. Plus, the GDAL version ...


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It appears more of a limiting factor due to RGB color band assignment and color matching due to several factors. Hexagon Geospatial provides an article Supervised Classification - Signature Editor - color chips where they provide a diagnosis to a similar issue you are facing. Symptoms Sometimes the Signature Editor - color chips do not match image ...


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That is noise / offset pixels or unexpected dark or light strips fringing an object. Data from airborne multispectral or hyperspectral imaging scanners shows a pronounced striping pattern due to varying offsets in the multielement detectors. This effect can be further exacerbated by unfavorable sun angle. These artifacts can be minimized by correcting each ...


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