CmdID

CmdID / Commands

pnmnlfilt

Apply a non-linear filter onto a PNM image. tldr-pages

On several platforms

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Several platforms

from tldr-pages, CC BY 4.0

Apply the "alpha trimmed mean" filter with the specified alpha and radius values onto the PNM image

pnmnlfilt 0.0..0.5 radius path/to/image.pnm >path/to/output.pnmIdentify

Apply the "optimal estimation smoothing" filter with the specified noise threshold and radius onto the PNM image

pnmnlfilt 1.0..2.0 radius path/to/image.pnm >path/to/output.pnmIdentify

Apply the "edge enhancement" filter with the specified alpha and radius onto the PNM image

pnmnlfilt -0.9..(-0.1) radius path/to/image.pnm >path/to/output.pnmIdentify