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Patent Searching and Data


Title:
WATER DROPLET DETECTION DEVICE, AND THREE-DIMENSIONAL OBJECT DETECTION DEVICE USING SAID WATER DROPLET DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/017523
Kind Code:
A1
Abstract:
A three-dimensional object detection device provided with: an image conversion means (31) for converting the point-of-view of an image obtained by means of an imaging means (10) into a bird's-eye view image; a water droplet detection means (40) for detecting water droplets that attached to an imaging optical system; a first three-dimensional object detection means (33) for detecting a three-dimensional object on the basis of a differential image of bird's-eye view images captured at different times; a first three-dimensional object determination means (38) for determining whether the three-dimensional object detected by means of the first three-dimensional object detection means is another vehicle; and a control means (39) for driving a water droplet removal means in accordance with the attachment state of the water droplets detected by means of the water droplet detection means.

Inventors:
HAYAKAWA YASUHISA
FUKATA OSAMU
TAKEMURA MASAYUKI
UTAGAWA AKIRA
MURAMATSU SHOJI
IRIE KOTA
Application Number:
PCT/JP2013/070012
Publication Date:
January 30, 2014
Filing Date:
July 24, 2013
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
CLARION CO LTD (JP)
International Classes:
H04N5/225; B60R1/00; B60R21/00; G03B15/00; G06T1/00; G08G1/16; H04N7/18
Foreign References:
JP2006262242A2006-09-28
JP2002079880A2002-03-19
JP2001199492A2001-07-24
JP2010041120A2010-02-18
JP2007226605A2007-09-06
JP2005225250A2005-08-25
JP2008219063A2008-09-18
Other References:
See also references of EP 2879369A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
It can exceed and is a patent business corporation. (JP)
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