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Title of Journal: Optoelectron Lett

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Abbravation: Optoelectronics Letters

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Tianjin University of Technology

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DOI

10.1007/s11164-014-1653-2

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1993-5013

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A noncontact realtime measurement of lamp dimens

Authors: Limei Song Pengqiang Wang Yulan Chang Xiaojie Li Jiangtao Xi Qinghua Guo Bingnan Li
Publish Date: 2015/03/15
Volume: 11, Issue: 2, Pages: 145-148
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Abstract

In order to realize the online measurement of lamp dimension the bulb image dimension measurement based on vision BIDMV is proposed The image of lamp is obtained by camera After image processing such as Otsu algorithm median filter ellipse fitting and envelope rectangle fitting the dimension of lamp can be calculated Based on this method a noncontact realtime measurement system of the lamp’s dimension is developed The precision of the proposed method is 007 mm and it can satisfy the tolerance of the National Standard GB1576612008 The experiment results show that the proposed method has a faster measuring speed and a higher precision compared with other measurement methodsThis work has been supported by the National Natural Science Foundation of China Nos60808020 and 61078041 the National Science and Technology Support No2014BAH03F01 the Tianjin Research Program of Application Foundation and Advanced Technology No10JCYBJC07200 and the Technology Program of Tianjin Municipal Education Commission No20130324

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