Pgmkernel User Manual(0) Pgmkernel User Manual(0) (NAME) pgmkernel - (SYNOPSIS) pgmkernel [-weight=number] [-maxval=] {size | width height} . . . (DESCRIPTION) Netpbm(1) . pgmkernel pnmconvol . . pgmkernel PGM size width height . pgmkernel K : K(i,j) = 1 / ( 1 + w * sqrt(i^2 + j^2)) w -weight . i j . K . PGM pnmconvol K PGM () . (OPTIONS) libnetpbm ( -quiet ) pgmkernel : -weight=number . . 6.0 . -maxval=maxval (maxval) PGM. 255 . Netpbm 10.65 ( ) . maxval . (LIMITATIONS) width*height . . FFT ( ) . (HISTORY) Netpbm 10.65 ( ) PGM ( Plain) . ( Netpbm PGM raw -plain ). Netpbm 10.65 ( ) -weight ( -1.0 ). -weight . (SEE ALSO) pnmconvol(1), pnmsmooth(1) pamgauss(1) pgm(1) (AUTHORS) Alberto Accomazzi (alberto@cfa.harvard.edu). (DOCUMENT SOURCE) Netpbm 'makeman' HTML . : http://netpbm.sourceforge.net/doc/pgmkernel.html netpbm documentation 19 December 2013 Pgmkernel User Manual(0)