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tldr/pages/common/pbmreduce.md
Lena 6fd816e36e
pages/*: use lowercase n for integer placeholders (#16033)
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2025-03-27 21:23:12 +05:30

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pbmreduce

Proportionally reduce a PBM image. See also: pamenlarge, pamditherbw. More information: https://netpbm.sourceforge.net/doc/pbmreduce.html.

  • Reduce the specified image by the specified factor:

pbmreduce {{n}} {{path/to/image.pbm}} > {{path/to/output.pbm}}

  • Use simple thresholding when reducing:

pbmreduce -threshold {{n}} {{path/to/image.pbm}} > {{path/to/output.pbm}}

  • Use the specified threshold for all quantizations:

pbmreduce -value {{0.6}} {{n}} {{path/to/image.pbm}} > {{path/to/output.pbm}}