Accession Number:

ADA101303

Title:

Median Filter Noise Improvement of Digital Imagery

Descriptive Note:

Final rept.

Corporate Author:

ARMY ARMAMENT RESEARCH AND DEVELOPMENT CENTER DOVER NJ FIRE CONTROL AND SMALL CALIBER WEAPON SYSTEMS LAB

Personal Author(s):

Report Date:

1981-06-01

Pagination or Media Count:

76.0

Abstract:

Designs for fire control automatic target recognition systems require poise-free or low-noise digital imagery of visible and infrared targets. Median filter noise cleaning of digital imagery was investigated to determine the extent to which different size median filter windows will improve the signal-to- noise ratio of a digital image with the least deterioration or degradation to the shape or position of the edges of a target. Examples of median filtering and adaptive window filtering AWMF are presented before and after noise cleaning, and an improvement over AWMF is proposed to remedy its display deficiencies. Recommendations are offered on how to proceed to obtain more meaningful results and how to extend the simulation to two dimensions before performing test on actual digital imagery data.

Subject Categories:

  • Infrared Detection and Detectors
  • Non-Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE