CE RAN - Contrast Enhancement - Range

(5/03/01)

PURPOSE

Creates range image/volume. Useful for texture based segmentation.   Example.

SEE ALSO

CE MAX [Contrast Enhancement - Maximum]
CE MIN [Contrast Enhancement - Minimum]
CE VAR [Contrast Enhancement - Variance]

USAGE

.OPERATION: CE RAN

.INPUT FILE: VOL001
[Enter the name of the input file.]

.OUTPUT FILE: VOL002
[Enter name for output file.]

.NEIGHBORHOOD X & Y: 3, 3
[Length of the neighborhood around a pixel. (Should be an odd number).]

NOTES

  1. Image/volume is "circularly closed" so that pixels on boundaries have a neighbor on opposite boundary.

  2. Range is the maximum difference between any pixel in the the neighborhood and the central pixel under a kernal. The neighborhood is rectilinear and all pixels are weighted evenly.

SUBROUTINES

FILTER

CALLER

UTIL2

© Copyright Notice /       Enquiries: spider@wadsworth.org