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pgmtexture - Man Page

calculate textural features on a PGM image

Examples (TL;DR)



[-d d]



This program is part of Netpbm(1).

pgmtexture reads a PGM image as input and calculates textural features based on spatial dependence matrices at 0, 45, 90, and 135 degrees for a distance d (default = 1).

Textural features include:

Algorithm taken from: Haralick, R.M., K. Shanmugam, and I. Dinstein. 1973. Textural features for image classification. IEEE Transactions on Systems, Man, and Cybertinetics, SMC-3(6):610-621.


In addition to the options common to all programs based on libnetpbm (most notably -quiet, see Common Options ), pgmtexture recognizes the following command line option:

-d distance

The distance.  Default is 1.


The method for finding the Maximal Correlation Coefficient, which requires finding the second largest eigenvalue of a matrix Q, does not always converge.

See Also

pgm(1), pamsharpness(1), pamsharpmap(1), pgmedge(1), pgmminkowski(1)


Copyright (C) 1991 by Texas Agricultural Experiment Station, employer for hire of James Darrell McCauley.

Document Source

This manual page was generated by the Netpbm tool 'makeman' from HTML source.  The master documentation is at



22 August 1991 netpbm documentation