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The Effect of Synthetic Aperture Radar Image Resolution on Target Discrimination

by John E. McGowan
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Current price ₹1,462.00
Original price ₹1,639.00
Original price ₹1,639.00
Original price ₹1,639.00
(-11%)
₹1,462.00
Current price ₹1,462.00

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Book cover type: Paperback
  • ISBN13: 9781288395910
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Biblioscholar
  • Publisher Imprint: Biblioscholar
  • Publication Date:
  • Pages: 132
  • Original Price: GBP 12.95
  • Language: English
  • Edition: N/A
  • Item Weight: 195 grams
  • BISAC Subject(s): General

This research details the effect of spatial resolution on target discrimination in Synthetic Aperture Radar (SAR) images. Multiple SAR image chips containing targets and non-targets are used to test a baseline Automatic Target Recognition (ATR) system with reduced spatial resolution obtained by lowering the pixel count or synthesizing a degraded image. The pixel count is lowered by averaging groups of adjoining pixels to form a new single value. The degraded image is synthesized by low-pass filtering the image frequency space and then lowering the pixel count. A two parameter Constant False Alarm Rate (CFAR) detector is tested, and three different types of feature spaces; size, contrast, and texture; are used to trian a linear classifier. The results are scored using the Area Under the Receiver Operator Characteristic (AUROC) curve.

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