영상 신호에서 커브 피팅을 이용한 구조물 진동 측정
영상 신호에서 커브 피팅을 이용한 구조물 진동 측정 Measuring Structural Vibration from Video Signal Using Curve Fitting 저자 전형섭, 최영철, 박종원 소속 충남대학교, 충남대학교, 한국원자력연구원 학술지정보 한국소음진동공학회지 발행정보 한국소음진동공학회 2009년 자료제공처 국회도서관 KISTI 기계·건설공학연구정보센터 한국연구재단 주제분야 공학 > 기계공학 <초록> Many studies for measuring vibration using image signal are suggested. These methods can measure vibration of multi-points simultaneously. However, it has the disadvantage that is very sensitive to an environment. If the measured environment is not good, image signals can be measured including much background noise. So, it is difficult to obtain accurate vibration from the measured image signals. Another problem is that camera imaging has a resolution limit. Because the resolution of the camera image is relatively much lower than that of a data acquisition system, accurate measuring vibration cannot be performed. In this paper, we proposed the enhanced technique for measuring vibration using camera signa