.TH pbmclean "12 Dec 1990" .SH NAME pbmclean - flip isolated pixels in portable bitmap .SH SYNOPSIS pbmclean [-connect] [pbmfile] .SH DESCRIPTION Reads a portable bitmap as input. Outputs a portable bitmap with every pixel which has less than .I connect identical neighbours inverted. The default for .I connect is 1 - only completely isolated pixels are flipped. Pbmclean can be used to clean up "snow" on bitmap images. .SH "SEE ALSO" pbmplus(1) .SH AUTHOR Copyright (C) 1990 by Angus Duggan Copyright (C) 1989 by Jef Poskanzer. .\" Permission to use, copy, modify, and distribute this software and its .\" documentation for any purpose and without fee is hereby granted, provided .\" that the above copyright notice appear in all copies and that both that .\" copyright notice and this permission notice appear in supporting .\" documentation. This software is provided "as is" without express or .\" implied warranty.