That's exactly that image magick is ment for: write a bash script with:
for file in *.jpg
do
#write image magick comands here
done
and all is done automatically without any hand work for you ...
Kneops schrieb am 12.10.19 um 12:10:
Using imagemagick is not an option for me because I usually have to
process lots of images.
Op 11-10-19 om 23:46 schreef [email protected]:
3. Use imagemagick for resize and sharpening (the resize must come
first, IM process in the exact order of the command line, so sharpening
is the last instruction set). I have a set of script that output jpegs
and then I run
convert <infile.jpg> -sampling-factor 4:2:0 -strip -quality 85
-interlace Plane -colorspace RGB --resize 900x900 -sharpen 8x2.0
<outfile-s8-20.jpg>
convert <infile.jpg> -sampling-factor 4:2:0 -strip -quality 85
-interlace Plane -colorspace RGB --resize 900x900 -sharpen 7x2.0
<outfile-s7-20.jpg>
all the way to
convert <infile.jpg> -sampling-factor 4:2:0 -strip -quality 85
-interlace Plane -colorspace RGB --resize 900x900 -sharpen 1x2.0
<outfile-s1-20.jpg>
--
regards
Bernhard
https://www.bilddateien.de
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