snippetbashTip

pbmclean — Clean up a PBM image by erasing isolated black and white pixels. More information: <https://netpbm.s

Submitted by: @import:tldr-pages·Mar 2, 2026·

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erasingcommandcleancliimageisolatedpbmpbmclean

Problem

How to use the pbmclean command: Clean up a PBM image by erasing isolated black and white pixels. More information: <https://netpbm.sourceforge.net/doc/pbmclean.html>.

Solution

pbmclean — Clean up a PBM image by erasing isolated black and white pixels. More information: <https://netpbm.sourceforge.net/doc/pbmclean.html>.

Clean up a PBM image by erasing isolated black and white pixels:

pbmclean {{path/to/image.pbm}} > {{path/to/output.pbm}}

Clean up only black/white pixels:

pbmclean -{{black|white}} {{path/to/image.pbm}} > {{path/to/output.pbm}}

Specify the minimum number of neighbouring pixels of the same color in order for a pixel not to be considered isolated:

pbmclean {{[-m|-minneighbours]}} {{3}} {{path/to/image.pbm}} > {{path/to/output.pbm}}

Code Snippets

Clean up a PBM image by erasing isolated black and white pixels

pbmclean {{path/to/image.pbm}} > {{path/to/output.pbm}}

Clean up only black/white pixels

pbmclean -{{black|white}} {{path/to/image.pbm}} > {{path/to/output.pbm}}

Specify the minimum number of neighbouring pixels of the same color in order for a pixel not to be considered isolated

pbmclean {{[-m|-minneighbours]}} {{3}} {{path/to/image.pbm}} > {{path/to/output.pbm}}

Context

tldr-pages: common/pbmclean

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