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A Technique for Measuring Vibration Displacement Using Camera Image
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카메라 영상을 이용한 진동변위 측정

논문 기본 정보

Type
Academic journal
Author
Ki-Sung Son (SAE-AN ENGINEERING CO) Hyeong-Seop Jeon (SAE-AN ENGINEERING CO) Jin-Ho Park (Korea Atomic Energy Research Institute) Jong Won Park (Chugnam National University)
Journal
Korean Society for Noise and Vibration Engineering(KSNVE) Transactions of the Korean Society for Noise and Vibration Engineering Vol.23 No.9
Published
2013.09
Pages
789 - 796 (8page)

Usage

cover
📌
Topic
본 연구는 카메라를 이용한 진동 변위 측정 기술을 제안하며, 기대값을 활용해 측정 해상도를 높이기 위한 방법을 탐구한다.
📖
Background
기존의 카메라 기반 진동 측정 기술은 해상도의 제한으로 인해 정확한 변위를 측정하기 어려운 상황에서 새로운 접근의 필요성을 강조한다.
🔬
Method
저해상도 카메라와 이웃 픽셀 정보를 결합한 EEPD 방법을 통해 진동 변위 측정을 실시하고 성능을 검증하였다.
🏆
Result
제안한 방법은 평균 P-P 오차가 0.0007 mm로, 커브피팅 방법 대비 측정 해상도를 8배 향상시키고 연산 속도를 80배 개선하였다.
A Technique for Measuring Vibration Displacement Using Camera Image
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Research history (2)

2013

A Technique for Measuring Vibration Displacement Using Camera Image
Ki-Sung Son ,  Hyeong-Seop Jeon ,  Jin-Ho Pa and others 3 Transactions of the Korean Society for Noise and Vibration Engineering 2013.09 Academic journal
Measuring Micro-Vibration Displacement by using Camera Image
Ki-Sung Son ,  Hyong-Seop Jeon ,  Doo-Byung Yoon and others 3 한국소음진동공학회 학술대회논문집 2013.04 Proceeding
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Abstract· Keywords

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Vibration measurements using image processing have been studied by many researchers as it can remotely measure vibration displacements at multiple points simultaneously. It is difficult, however, to obtain accurate displacement from the measured image signals because the resolution of image data is dependent on camera performance and normally lower than that of vibration transducer directly measured. This paper suggests the enhanced technique for vibration displacement measurement by applying the expected value of edge probability distribution to the varying pixel points in the image. The method can both increase the resolution limit of camera image and decrease the measurement errors. The working performance of the proposed technique is verified applying to the vibration measurement of a rotating machine.
#Displacement Measurement(변위측정) #Image Processing(영상처리) #Vibration(진동) #Camera(카메라)

AI Summary

Topic

본 연구는 카메라를 이용한 진동 변위 측정 기술을 제안하며, 기대값을 활용해 측정 해상도를 높이기 위한 방법을 탐구한다.

Background

기존의 카메라 기반 진동 측정 기술은 해상도의 제한으로 인해 정확한 변위를 측정하기 어려운 상황에서 새로운 접근의 필요성을 강조한다.

Method

저해상도 카메라와 이웃 픽셀 정보를 결합한 EEPD 방법을 통해 진동 변위 측정을 실시하고 성능을 검증하였다.

Result

제안한 방법은 평균 P-P 오차가 0.0007 mm로, 커브피팅 방법 대비 측정 해상도를 8배 향상시키고 연산 속도를 80배 개선하였다.

주요내용

Contents

ABSTRACT
1. 서론
2. 카메라를 이용한 진동변위 측정
3. 진동변위 측정 실험
4. 결론
참고문헌

References (5)

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김기영, 곽문규. 영상 처리 방법을 이용한 구조물의 큰 변위 저주파 진동 계측. 한국소음진동공학회논문집. 2005 dbpia 전형섭, 최영철, 박종원. 영상 신호에서 커브 피팅을 이용한 구조물 진동 측정. 한국소음진동공학회논문집. 2009 dbpia 전형섭, 최영철, 박종원. 영상 신호에서 커브피팅을 이용한 구조물 진동 측정. 한국소음진동공학회 학술대회논문집. 2009 dbpia 전형섭, 최영철, 박종원. 영상 신호에서 패턴인식을 이용한 다중 포인트 변위측정. 한국소음진동공학회 학술대회논문집. 2008 dbpia 전형섭, 최영철, 박종원. 영상 신호에서 패턴인식을 이용한 다중 포인트 변위측정. 한국소음진동공학회논문집. 2008 dbpia

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UCI(KEPA) : I410-ECN-0101-2015-530-001559717