covert kodak PNG images into JP2 with sampling factor

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Khawar Islam

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Oct 15, 2020, 7:05:43 AM10/15/20
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I am trying to convert png images into JP2 with sampling factor. I am imagemagick tool for conversion, as they mentioned in docs -sampling-factor is used for sampling but it did not work.
http://ftp.icm.edu.pl/pub/unix/graphics/ImageMagick/www/jp2.html

convert wizard.png -colorspace YUV -sampling-factor 2,2 wizard.jp2

My command, it did not work
convert test/images/kodim$i.png -quality $(($j*5)) -colorspace YUV -sampling-factor 4,2 test/JP2/kodim$i/`printf "%02d" $j`.jp2
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