Accession Number : ADD014199

Title :   Image Preprocessing by Modified Median Filter.

Descriptive Note : Patent, Filed 5 Apr 88, patented 24 May 85,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : May, Bruce O

Report Date : 05 Apr 1989

Pagination or Media Count : 6

Abstract : Preprocessing of a noisy image, such as is obtained by a raster scan, by subtracting the median of the pixel values of one or more lines from the medians of predetermined pixel neighborhoods. Patents. (rh)

Descriptors :   *IMAGES, *PATENTS, *PREPROCESSING, *RASTERS, SCANNING

Subject Categories : Target Direction, Range and Position Finding
      Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE