I tried gdal translate to png:
gdal_translate image.bsq image.jpg -of JPEG -outsize 10% 10% -scale
and jpeg:
gdal_translate image.bsq image.png -of PNG -outsize 10% 10% -scale
jpeg looks better and file size is smaller. In general should I expect poor result with png?
Using the -r cubic and bilinear are almost the same to my eyes:
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