An Image Analysis System for Measurement of Vibration of High Aspect-Ratio Linear Structures

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Other Title
  • 117 レンズを用いた線材全体の振動現象の可視化

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Abstract

Image analysis techniques are now widely applied to measurement for scientific and engineering studies. It has a great advantage in that simultaneous aerial measurement is possible. One disadvantage is that, as the aspect ratio of a TV display is about 5 : 3, it is difficult to visualize the whole span of an object with high aspect-ratio such as cables, bridges, etc. Three techniques are proposed to overcome the difficulty : (1) Employment of a cylindrical lens system, (2) Development of a proper computer algorithm, and (3) Development of a special video camera. The combination of all these three will accomplish simultaneous measurement of whole span of linear objects with satisfactory accuracy.

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Details 詳細情報について

  • CRID
    1390001204618362368
  • NII Article ID
    10002674069
    130003443132
  • NII Book ID
    AN10374478
  • DOI
    10.3154/jvs.16.1supplement_111
  • ISSN
    1884037X
    09164731
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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