Measurement of Strain of Sheet Metal by Image Processing (II)

화상처리기법을 이용한 판재의 변형률 측정(II)

  • 정재윤 (서강대학교 대학원 기계공학과) ;
  • 황창원 (서강대학교 대학원 기계공학과) ;
  • 허만성 ((주)화신기술연구소) ;
  • 김낙수 (서강대학교 기계공학과)
  • Published : 1997.10.01

Abstract

This paper presents a method for measuring and analyzing strains in sheet metal forming by stereo vision system. A better understanding and evaluation of the formability can be achieved by analyzing stain distribution in deformed sheet metals. By means of image processing technique, it is possible to get strain distribution efficiently. For measuring strain automatically and accurately, algorithms for camera calibration, grid detection, stereo matching and strain analysis has been developed and verified by experiments with GUI(Graphic User Interface).

Keywords