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[MAN] pnmsmooth

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pnmsmooth

Section: User Commands (1)
Updated: 4 December 1994
Index Return to Main Contents
 

NAME

pnmsmooth - smooth out an image  

SYNOPSIS

pnmsmooth [-size width height] [-dump dumpfile] [pnmfile]  

DESCRIPTION

Smooths out an image by replacing each pixel with the average of its width X height neighbors. It is implemented as a C progam that generates a PGM convolution matrix and then invokes pnmconvol.  

OPTIONS

-size width height
Specifies the size of the convolution matrix. Default size is a 3x3 matrix. Width and height sizes must be odd. Maximum size of convolution matrix is limited by the maximum value for a pixel such that (width * height * 2) must not exceed the maximum pixel value.
-dump dumpfile
Generates and saves the convolution file only. Use of this option does not invoke pnmconvol.
 

SEE ALSO

pnmconvol(1), pnm(5)  

AUTHORS

Copyright (C) 1989, 1991 by Jef Poskanzer.
Converted from script to C program December 1994 by Mike Burns (burns@chem.psu.edu).


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO
AUTHORS

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Time: 04:45:30 GMT, September 16, 2022

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