Vibration measurement system, vibration measurement apparatus, vibration measurement method, and computer-readable recording medium

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United States of America Patent

PATENT NO 11178333
APP PUB NO 20210029297A1
SERIAL NO

17041092

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A vibration measurement system comprises an image capturing apparatus, a distance measuring apparatus, a sensor that outputs a signal according to an inclination of the image capturing apparatus relative to the vertical direction, and a vibration measurement apparatus. The vibration measurement apparatus includes calculating an angle formed by the normal of an image capturing surface of the image capturing apparatus and the normal of the measurement target surface that the image capturing apparatus shoots, based on the signal output by the sensor, converting the image obtained that the image capturing apparatus shoots into an image that would be obtained were the normal of the measurement target surface coincident with the normal of the image capturing surface of the image capturing apparatus, using the calculated angle, and measuring vibration of the structure, using the converted image and the measured distance from the image capturing apparatus to the measurement target surface.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION7-1 SHIBA 5-CHOME MINATO-KU TOKYO 108-8001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishii, Asuka Tokyo, JP 18 6
Murata, Kazuhito Tokyo, JP 16 138
Nakano, Gaku Tokyo, JP 46 61
Ohta, Masahiko Tokyo, JP 37 429

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