A Computer-Directed System for Measuring Distance between Edges in Optical Images

Abstract

An automatic measuring system for time-varying optical images is described. After the operator specifies the location of the segment to be measured on an outline image produced by the system, the equipment periodically prints the current length on a teletype. A detailed study of optical edge detection by two different transformations is given. Finally tests of the system as a means of measuring and recording dynamic blood vessel diameters in the rat mesentery are explained.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1968
Accession Number
AD0771740

Entities

People

  • Carl M. Shinn Jr.
  • Raymond M. Kline

Organizations

  • University of Washington

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Blood
  • Blood Vessels
  • Cameras
  • Cardiovascular System
  • Change Detection
  • Computer Programs
  • Computers
  • Detection
  • Health Services
  • Image Processing
  • Information Processing
  • Measurement
  • Optical Images
  • Pattern Recognition
  • Photographic Materials
  • Photographs
  • Video Signals

Fields of Study

  • Physics

Readers

  • Computer Vision.
  • Geodesy
  • Instructional Design and Training Evaluation.