Title:
TRAFFIC LANE RECOGNITION DEVICE
Document Type and Number:
Japanese Patent JP3945494
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a traffic lane recognition device capable of discriminating the type of a lane marker without using past data.
SOLUTION: This traffic lane recognition device 1 for detecting a white line 30 of a travel road 20 on the basis of a photographic image obtained by photographing the travel road 20 adjacently sets a near side area 41 and a far side area 42 along a vehicle running direction in the photographic image, respectively detects the length of the white line 30 in the near side area 41 and the far side area 42 and discriminates the type of the white line 30 on the basis of the length of the white line 30 in the near side area 41 and the length of the white line 30 in the far side area 42. Consequently, the type of the white line 30 can be discriminated on the basis of one photographic image, and the type of the white line 30 can be discriminated without using the past detected data and the like.
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Inventors:
Toshihiro Miyashita
Makoto Nishida
Makoto Nishida
Application Number:
JP2004141536A
Publication Date:
July 18, 2007
Filing Date:
May 11, 2004
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
G01B11/02; G06T1/00; G08G1/16; G06T7/60; G06V10/22; G06V10/44; (IPC1-7): G08G1/16; G01B11/02; G06T1/00; G06T7/60
Domestic Patent References:
| JP2003067752A | ||||
| JP7311896A | ||||
| JP8320997A | ||||
| JP11312299A | ||||
| JP8249597A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Tatsuya Shioda
Tatsuya Shioda