Passive Infrared Surveillance: New Methods of Analysis

Abstract

A new theoretical procedure is presented for calculating the performance of scanning background-limited (BLIP) infrared sensors with adaptive threshold signal processing logic. The performance predictions obtained with this model are background-conditional, i.e., are valid only for a given infrared background scene, presumably specified as a radiance map of arbitrary (but deterministic) structure. The non-stationary statistical nature of the photocurrent is explicitly taken into account. The basic approach involves a combination of some results from optical communications theory with a formalism for the threshold-crossing statistics of nonstationary noises, originally developed by Rice, Cramer, and Leadbetter.

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Document Details

Document Type
Technical Report
Publication Date
Sep 24, 1979
Accession Number
ADA074742

Entities

People

  • Richard A. Steinberg

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes
  • Sensors
  • Space

DTIC Thesaurus Topics

  • Detection
  • Detectors
  • Distribution Functions
  • Dwell Time
  • False Alarms
  • Focal Planes
  • Frequency
  • Gaussian Distributions
  • Gaussian Processes
  • Peak Values
  • Quantum Efficiency
  • Random Variables
  • Signal Processing
  • Stationary Processes
  • Stochastic Processes
  • Time Intervals
  • Warning Systems

Fields of Study

  • Physics

Readers

  • Image Processing and Computer Vision.
  • Statistical inference.