Metric measurements of 3D object features by a moving camera

H. D. Chen; Y. F. Li

doi:10.1109/IMTC.2004.1351097

Metric measurements of 3D object features by a moving camera

H. D. Chen, Y. F. Li^*

^*Corresponding author for this work

International College of Semiconductor Technology

Research output: Contribution to journal › Conference article › peer-review

2 Scopus citations

Abstract

With a partially calibrated stereo or shape from unknown motion method, the reconstruction of an object can be performed but at most up to a scale factor. Therefore, metric measurements of the 3D features cannot be achieved. This paper proposes a method to enable metric measurements of the 3D features starting from 3D length measurement by moving camera. The best focused location in an image is used as a cue in upgrading the relative geometry of a target feature into an absolute one. Hence, we can obtain dimension and metric sizes of object features.

Original language	English
Pages (from-to)	498-503
Number of pages	6
Journal	Conference Record - IEEE Instrumentation and Measurement Technology Conference
Volume	1
DOIs	https://doi.org/10.1109/IMTC.2004.1351097
State	Published - 8 Oct 2004
Event	Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference, IMTC/04 - Como, Italy Duration: 18 May 2004 → 20 May 2004

Keywords

3D measurement
Best focused location
Moving camera
Robot vision
Visual feature

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AB - With a partially calibrated stereo or shape from unknown motion method, the reconstruction of an object can be performed but at most up to a scale factor. Therefore, metric measurements of the 3D features cannot be achieved. This paper proposes a method to enable metric measurements of the 3D features starting from 3D length measurement by moving camera. The best focused location in an image is used as a cue in upgrading the relative geometry of a target feature into an absolute one. Hence, we can obtain dimension and metric sizes of object features.

KW - 3D measurement

KW - Best focused location

KW - Moving camera

KW - Robot vision

KW - Visual feature

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JF - Conference Record - IEEE Instrumentation and Measurement Technology Conference

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Y2 - 18 May 2004 through 20 May 2004

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Metric measurements of 3D object features by a moving camera

Abstract

Keywords

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