Geometric Speckle Reduction.

Abstract

The presence of speckle in imagery produced with coherent illumination (e.g., synthetic aperture radar) reduces the detectability of objects in the images. It also reduces the effectiveness of some computer algorithms (e.g., edge detection) designed for automatic image analysis. Thus it is desirable to reduce speckle in synthetic aperture radar (SAR) images both to assist radar image interpreters and to preprocess images for automatic recognition algorithms on computers. The goal is to smooth out the speckle but at the same time preserve features of interest like edges, strong returns, etc.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1986
Accession Number
ADA174628

Entities

People

  • Thomas R. Crimmins

Organizations

  • Environmental Research Institute of Michigan

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Human Systems
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Algorithms
  • Boundaries
  • Change Detection
  • Computers
  • Curvature
  • Detection
  • Digital Signal Processing
  • Digital Video
  • Dynamic Range
  • Electrical Engineering
  • Engineering
  • Radar Images
  • Scientists
  • Signal Processing
  • Synthetic Aperture Radar
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Computer science
  • Physics

Readers

  • Computational Linguistics
  • Radar Systems Engineering.