An Analysis of Stimulus Determinants of Target Detection in PBB (Passive Broadband) Displays

Abstract

Targets on passive broadband sonar displays may be detected on the basis of three distinct stimulus attributes--target contrast, target marking density, and by grouping of similar brightnesses. Previous research has failed to isolate and systematically manipulate these variables. Methods of doing so are proposed in order to determine which of these stimulus attributes underlie target detection. Enhancing the proper variables should improve target detection. Keywords: Marking density; Contrast ratio; Grouping similar brightnesses.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1985
Accession Number
ADA160203

Entities

People

  • Joseph Divita

Organizations

  • Naval Submarine Medical Research Laboratory

Tags

Communities of Interest

  • Biomedical
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Biomedical Research
  • Brightness
  • Broadband
  • Color Coding
  • Contrast
  • Converters
  • Detection
  • Illumination
  • Intensity
  • Measurement
  • Normal Distribution
  • Perception
  • Photometers
  • Probability
  • Submarines
  • Target Detection

Readers

  • Acoustical Oceanography.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.