COMPARISON with ACCURACY of TERRESTRIAL LASER SCANNER by USING POINT CLOUD ALIGNED with SHAPE MATCHING and BEST FITTING METHODS

T. Ogawa, Yoshiki Hori

研究成果: ジャーナルへの寄稿Conference article

1 引用 (Scopus)

抄録

Recently operation systems of laser scanning have been obviously improved; for instance shape matching has been equipped with software on a post processing stage so measurement without any targets is a prerequisite condition of field surveying with laser scanners. Moreover a shape matching method enables us to easily register a pair of point clouds with some errors even if those data are scanned by several type scanners. Those slightly errors can influence accuracy of alignments if the object is large to require a lot of scans. Laser scanning data has random errors and accuracy of alignments can be improved by matching error distributions of pairs of point clouds to natural distributions. This method is called "best fitting" in contrast "shape matching" in a software, PolyWorks |Inspector. In this paper, accuracy of alignments between shape matching and best fitting is discussed. The scan data of three phaseshift laser scanners (FARO Focus 3D MS120, FARO Focus 3D X330 and Z+F Imager 5016) and two time-of-flight scanners (Leica BLK 360 and Leica Scan station C5) are used for analyses. Accuracy of alignments by using shape matching and best fitting methods is demonstrated by showing points of scan data with histograms of error distributions.

元の言語英語
ページ(範囲)535-541
ページ数7
ジャーナルISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
42
発行部数2/W9
DOI
出版物ステータス出版済み - 1 31 2019
イベント8th International Workshop on 3D Virtual Reconstruction and Visualization of Complex Architectures, 3D-ARCH 2019 - Bergamo, イタリア
継続期間: 2 6 20192 8 2019

Fingerprint

scanner
scanners
laser
Lasers
alignment
Scanning
lasers
Random errors
Surveying
software
Image sensors
computer programs
histogram
scanning
random errors
surveying
registers
histograms
Processing
stations

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences (miscellaneous)
  • Environmental Science (miscellaneous)
  • Instrumentation

これを引用

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abstract = "Recently operation systems of laser scanning have been obviously improved; for instance shape matching has been equipped with software on a post processing stage so measurement without any targets is a prerequisite condition of field surveying with laser scanners. Moreover a shape matching method enables us to easily register a pair of point clouds with some errors even if those data are scanned by several type scanners. Those slightly errors can influence accuracy of alignments if the object is large to require a lot of scans. Laser scanning data has random errors and accuracy of alignments can be improved by matching error distributions of pairs of point clouds to natural distributions. This method is called {"}best fitting{"} in contrast {"}shape matching{"} in a software, PolyWorks |Inspector. In this paper, accuracy of alignments between shape matching and best fitting is discussed. The scan data of three phaseshift laser scanners (FARO Focus 3D MS120, FARO Focus 3D X330 and Z+F Imager 5016) and two time-of-flight scanners (Leica BLK 360 and Leica Scan station C5) are used for analyses. Accuracy of alignments by using shape matching and best fitting methods is demonstrated by showing points of scan data with histograms of error distributions.",
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