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

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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 KCI Accredited Journals
Published
2013.9
Pages
789 - 796 (8page)

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A Technique for Measuring Vibration Displacement Using Camera Image
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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.

Contents

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

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