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Man Pages


Manual Reference Pages  -  MAKECR (1)

NAME

makecr - create circumscribing rectangles in an image

CONTENTS

Synopsis
Description
Options
See Also
Author

SYNOPSIS

makecr [-options] in_file | stdin out_file

DESCRIPTION

makecr finds connected components of black pixels in a binary image, and creates circumscribing rectangles.

The file format of in_file is binary pbm(5). The circumscribing rectangles are written on out_file, whose file format is d4file(4). Each rectangle is denoted by a 4-tuple, the position of the left-top corner, the width, and the height of the rectangle.

If the string "stdin" is passed instead of in_file, makecr reads image from standard input.

OPTIONS

-bstr N Add N black pixels to both ends of each horizontal black run before finding connected components.
-rls N Apply Runlength Smoothing Algorithm. The horizontal white runs which is shorter than N pixels are filled with black pixels before finding connected components.

SEE ALSO

pbm(5), d4file(4)

AUTHOR

Copyright (C) 1994-1997 Hideaki Goto

E-Mail: hgot@ecip.tohoku.ac.jp, hgot@aso.ecei.tohoku.ac.jp

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--> MAKECR (1) Feb. 1997

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