An Automatic Method of the Depth Measurement of Static Objects in a Monocular Image

HE Lixin; KONG Bin; YANG Jing

doi:10.13203/j.whugis20140656

Volume 41 Issue 5

May 2016

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Geomatics and Information Science of Wuhan University > 2016 > 41(5): 635-641. > DOI: 10.13203/j.whugis20140656

HE Lixin, KONG Bin, YANG Jing. An Automatic Method of the Depth Measurement of Static Objects in a Monocular Image[J]. Geomatics and Information Science of Wuhan University, 2016, 41(5): 635-641. DOI: 10.13203/j.whugis20140656

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An Automatic Method of the Depth Measurement of Static Objects in a Monocular Image

1.
Department of Automation, University of Science and Technology of China, Hefei 230027, China;
2.
Hefei Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, China;
3.
The Key Lab of Network and Intelligent Information Processing, Hefei University, Hefei 230601, China

Funds: The National Natural Science Foundation of China, Nos. 91120307, 61005010; the Natural Science Foundation of Department of Education of AnHuiProvince, Nos. KJ2013B230, KJ2013A226, KJ2015A162; the Quality Engineering of Higher Education of AnHuiProvince, Nos. 2015ckjh047, 2015ckjh048, 2015ckjh058, 2015ckjh061, 2015zy054; Key Constructive Discipline of Hefei University, No.2014xk08; Training Object for Academic Leader of Hefei University, No.2014dtr08.

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Received Date: May 05, 2015
Published Date: May 04, 2016

Graphical Abstract

Abstract

Abstract

Measurement of object depth information in an image is an important task in the stereo vision domain. An automatic method of the depth measurement from two images captured by an ordinary monocular camera is proposed. While keeping the parameters of camera constant, two images are captured at the distance between object and the lens definted as u and u+d, respectively. Objects in the images are acquired by the image segment method using the LBF model. The objects are matched automatically using the combined the relative difference ratios of entropy from the object image and the weighted HU invariant moment. The object depth can be calculated by a formula presented in this paper.. Experimental results show that the method is effective.
- monocular image,
- depth measurement,
- image segment,
- object match

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An Automatic Method of the Depth Measurement of Static Objects in a Monocular Image

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