MAKE_MASK
Section: User Commands (1)
Updated: June 1990
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NAME
make_mask - create an edge detector mask
SYNOPSIS
make_mask
[-s] [-1 .. -8] [-a] > outfile
DESCRIPTION
make_mask
creates an edge detector mask of a specified size
for detecting edges at a variety of angles. This file can
then be used as input to the HIPS program
mask.
The mask program performs a convolution of the image and this mask.
For symmetric masks, odd numbers should be used.
The default is -1 -3 -5 -7.
OPTIONS
[-s] size of output mask (default = 7)
[-1] mask at angle of 0 degrees
[-2] mask at angle of 22.5 degrees
[-3] mask at angle of 45 degrees
[-4] mask at angle of 67.5 degrees
[-5] mask at angle of 90 degrees
[-6] mask at angle of 112.5 degrees
[-7] mask at angle of 135 degrees
[-8] mask at angle of 157.5 degrees
[-a] mask with all of the above angles
AUTHOR
Brian Tierney, LBL email: bltierney@lbl.gov
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- AUTHOR
-
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