Title:
VEHICLE TYPE DETERMINATION DEVICE, TOLL COLLECTION FACILITY, VEHCILE TYPE DTERMINATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2016/136660
Kind Code:
A1
Abstract:
A vehicle type determination device (1A) provided with: multiple light-projecting units (S1) that project light beams; multiple light-receiving units (S2) arranged in correspondence with the multiple light-projecting units (S1) and capable of receiving the light beams (P); a blocked-light region acquisition unit (110) that receives an input of detection signals indicating whether the light beams (P) are received by the multiple light-receiving units (S2), thereby acquiring a blocked-light region, which is a region of blocked light occupied by a light-receiving unit (S2) corresponding to a blocked light beam (P) among the regions in which the multiple light-receiving units (S2) are arranged; and a vehicle type determination unit (111) that acquires a vehicle silhouette, which is two-dimensional information obtained by aligning, on a time axis, multiple blocked-light regions acquired at different times, and that determines the vehicle type classification to which the vehicle belongs on the basis of the vehicle silhouette and reference patterns which are classified according to vehicle type classifications.
More Like This:
Inventors:
FUKUZAKI SHIGETAKA (JP)
NAKAYAMA HIROYUKI (JP)
OWARI NOBUYUKI (JP)
KOJIMA YOHEI (JP)
NAKAO KENTA (JP)
YAMAGUCHI YASUHIRO (JP)
NAKAYAMA HIROYUKI (JP)
OWARI NOBUYUKI (JP)
KOJIMA YOHEI (JP)
NAKAO KENTA (JP)
YAMAGUCHI YASUHIRO (JP)
Application Number:
PCT/JP2016/055038
Publication Date:
September 01, 2016
Filing Date:
February 22, 2016
Export Citation:
Assignee:
MITSUBISHI HEAVY IND MECHATRONICS SYSTEMS LTD (JP)
International Classes:
G08G1/015; G01B11/24; G07B15/00; G08G1/04
Foreign References:
| JPH05225490A | 1993-09-03 | |||
| JPH08235488A | 1996-09-13 | |||
| JP2014002534A | 2014-01-09 | |||
| JPH08273091A | 1996-10-18 | |||
| JP2016038629A | 2016-03-22 | |||
| US5614894A | 1997-03-25 | |||
| JPH11339175A | 1999-12-10 | |||
| JP2002228423A | 2002-08-14 | |||
| JP2013200656A | 2013-10-03 |
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Woods Ryuichiro (JP)
Woods Ryuichiro (JP)
Download PDF: