Measurement Errors of Angles in Digital Pictures Using Graphic Software

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  • SATO Yoichiro
    Department of Rehabilitation, Faculty of Medical Science & Welfare, Tohoku Bunka Gakuen, University
  • MURAKAMI Ken-ichi
    Department of Rehabilitation, Faculty of Medical Science & Welfare, Tohoku Bunka Gakuen, University
  • FUJISAWA Hiroyuki
    Department of Rehabilitation, Faculty of Medical Science & Welfare, Tohoku Bunka Gakuen, University

Bibliographic Information

Other Title
  • デジタル画像における角度測定の測定誤差　　―画面内区画およびカメラ機種による違い―
  • デジタル ガゾウ ニ オケル カクド ソクテイ ノ ソクテイ ゴサ ガメン ナイ クカク オヨビ カメラ キシュ ニ ヨル チガイ
  • ─画面内区画およびカメラ機種による違い─

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Abstract

[Purpose] The present study was designed to clarify whether errors in measurement of angles of goniometry are different among sites in digital pictures or digital cameras. [Methods] Four goniometric angles were put on 9 sites on a wall and recorded using 3 cameras. Five physical therapists measured them using graphic software for personal computer. [Results] Intraclass correlation coefficients (1,1) and (2,1) were calculated and showed 1.00 for all sites and cameras. Also, no statistically significant differences were observed in measurement errors for site and camera. [Conclusion] The present results indicate that measurement angle using software may be a useful tool for assessing patients who receive physical therapy.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 25 (6), 977-981, 2010

    The Society of Physical Therapy Science

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