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Text File  |  1990-09-07  |  330 b   |  11 lines
  1. * example of contrast stretching and
  2. * histogram equalization
  3. *
  4. read moon a * read the moon image
  5. don 2       * use display contrast stretching
  6. copy a b    * .. from now on
  7. don         * back to normal display
  8. equ a c     * performs histogram equalization
  9. hist a      * display histogram of A
  10. hist c      * display histogram of C
  11.