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A novel method of measurement for large space 3-d coordinate by binocular code matching

  • Gang Chen*
  • , Zhijing Yu
  • , Rensheng Che
  • , Changying Liu
  • , Dong Ye
  • , Qingchcng Huang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalConference articlepeer-review

Abstract

A 3-D coordinate measurement with novel concept and experimental arrangements of large space and multiple viewpoints is proposed. The measurement system includes a stereovision sensor and a separate LCD stripe projection. This measurement method ensures a high number of object points, up to 5x5x5m measurement volume, and rapid data acquisition. If only one and next partial view have an overlap area, system could automatically transform each partial views measuring data into a same world coordinate system. It can measure a wider area or 360 degrees (whole-body) shape by alter the stripe projection's position. Furthermore, it is unnecessary to stick any marker on the object surface and a subsequent matching of the partial view is not required to obtain a whole-body measurement.

Original languageEnglish
Pages (from-to)20-27
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4921
DOIs
StatePublished - 5 Sep 2002
EventOptical Manufacturing Technologies 2002 - Shanghai, China
Duration: 14 Oct 200218 Oct 2002

Keywords

  • 3-d coordinate measurement
  • Binocular code matching
  • Large space

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