Title:
AERIAL LINE EXTRACTION SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO/2020/044589
Kind Code:
A1
Abstract:
A problem to be solved by the present invention is to facilitate selection and designation of an aerial line from among a plurality of aerial lines. Disclosed is an aerial line extraction system comprising: an area of interest cropping part for cropping, from three-dimensional point group data, a region wherein an aerial line is estimated to be present as an area of interest using a body supporting the aerial line as a reference; an element segmenting part for segmenting the area of interest into a plurality of subdivision areas, aggregating the three-dimensional point groups present in each of the subdivision areas and obtaining histograms, and obtaining segment planes for the area of interest on the basis of the histograms; and an element display part for segmenting the area of interest into a plurality of segment areas according to the segment planes and displaying the three-dimensional point groups included in each of the segment areas in mutually distinguishable fashion.
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Inventors:
NAKANO SADAKI (JP)
KIMURA NOBUTAKA (JP)
MARUYAMA KISHIKO (JP)
CHIHARA NOBUHIRO (JP)
KIMURA NOBUTAKA (JP)
MARUYAMA KISHIKO (JP)
CHIHARA NOBUHIRO (JP)
Application Number:
PCT/JP2019/001046
Publication Date:
March 05, 2020
Filing Date:
January 16, 2019
Export Citation:
Assignee:
HITACHI SOLUTIONS LTD (JP)
International Classes:
G06T7/00; G01B21/00; G01C15/00; G06V10/25; G06V10/50
Domestic Patent References:
| WO2005017550A2 | 2005-02-24 |
Foreign References:
| JP2009068951A | 2009-04-02 | |||
| JP2014520307A | 2014-08-21 | |||
| JP2015001901A | 2015-01-05 |
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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