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derwiki/ghostscript-resolution-comparison

Created March 31, 2017 21:30
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OCRing PDFs using Ghostscript and Google Cloud Vision
Raw
ghostscript-resolution-comparison
$ for x in 100 200 225 250 300 ; do echo $x; gs -sDEVICE=jpeg -DBATCH -dNOPAUSE -r$x -sOutputFile=warren.jpg -dLastPage=1 -dFirstPage=1 warren.pdf 1>/dev/null ; jpeginfo warren.jpg; done
100
warren.jpg 856 x 1400 24bit JFIF N 80332
200
warren.jpg 1712 x 2800 24bit JFIF N 240411
225
warren.jpg 1926 x 3150 24bit JFIF N 284315
250
warren.jpg 2140 x 3500 24bit JFIF N 337588
300
warren.jpg 2568 x 4200 24bit JFIF N 454876
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