Title:
LOCAL LOCATION COMPUTATION DEVICE AND LOCAL LOCATION COMPUTATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/125297
Kind Code:
A1
Abstract:
Provided is a local location computation device, comprising a light projector (11) which projects a light pattern (32a) upon a road surface (31) in the vicinity of a vehicle, and a camera (12) which captures an image of the road surface (31) in the vicinity of the vehicle including a region whereupon the light pattern (32a) is projected, and acquires an image (38). The local location computation device computes an attitude angle of the vehicle (10) with respect to the road surface (31) from a location of the light pattern (32a) in the image (38) which is acquired by the camera (12), and computes an attitude change degree of the vehicle on the basis of a change over time of a plurality of feature points upon the road surface which are detected from the image (38). The local location computation device adds the attitude change degree to an initial location and attitude angle of the vehicle, thereby computing the present location and attitude angle of the vehicle, and if a detection state of the plurality of feature points does not satisfy a first reference, projects the light pattern (32a).
Inventors:
YAMAGUCHI ICHIRO (JP)
NISHIUCHI HIDEKAZU (JP)
NISHIUCHI HIDEKAZU (JP)
Application Number:
PCT/JP2014/054311
Publication Date:
August 27, 2015
Filing Date:
February 24, 2014
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
G08G1/16; G01C21/28; G06V10/145
Domestic Patent References:
| WO2012172870A1 | 2012-12-20 |
Foreign References:
| JP2013147114A | 2013-08-01 | |||
| JP2007256090A | 2007-10-04 | |||
| JPH06325298A | 1994-11-25 | |||
| JP2013187862A | 2013-09-19 | |||
| JP2010101683A | 2010-05-06 |
Other References:
See also references of EP 3113148A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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