CmdID

CmdID / Commands

pnmconvol

Convolute a PNM image. tldr-pages

On several platforms

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Several platforms

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Convolve a PNM image with the specified convolution matrix

pnmconvol -matrix=-1,3,-1 path/to/image.pnm >path/to/output.pnmIdentify

Convolve a PNM image with the convolution matrix in the specified files, one for each layer in the input image

pnmconvol -matrixfile path/to/matrix1,path/to/matrix2,... path/to/image.pnm >path/to/output.pnmIdentify

Convolve a PNM image with the convolution matrix in the specified PNM file

pnmconvol path/to/matrix.pnm path/to/image.pnm >path/to/output.pnmIdentify

Normalize the weights in the convolution matrix such that they add up to one

pnmconvol -matrix=-1,3,-1 -normalize path/to/image.pnm >path/to/output.pnmIdentify