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Title:
LAMP DETECTION DEVICE AND LAMP DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/006451
Kind Code:
A1
Abstract:
Provided is a lamp detection device, which detects (21) edge parts (31a, 31b) within a camera image which have a brightness difference which is greater than or equal to a prescribed value, and adjusts (22) the brightness difference between the edge parts to be smaller, generating a smoothed image. The lamp detection device extracts (24), from the smoothed image, synchronized pixels in which the brightness changes in synchronization with an alternating current period of electricity which is supplied to a lamp, and detects (26) the lamp from the synchronized pixels.

Inventors:
OKI, Takahiko (LTD. Intellectual Property Department1-1, Morinosatoaoyama, Atsugi-sh, Kanagawa 23, 〒2430123, JP)
MATSUO, Haruo (LTD. Intellectual Property Department1-1, Morinosatoaoyama, Atsugi-sh, Kanagawa 23, 〒2430123, JP)
YAMANOI, Daiki (LTD. Intellectual Property Department1-1, Morinosatoaoyama, Atsugi-sh, Kanagawa 23, 〒2430123, JP)
Application Number:
JP2015/069599
Publication Date:
January 12, 2017
Filing Date:
July 08, 2015
Export Citation:
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Assignee:
NISSAN MOTOR CO., LTD. (2 Takara-cho, Kanagawa-ku Yokohama-sh, Kanagawa 23, 〒2210023, JP)
International Classes:
G08G1/09
Foreign References:
JP2008134916A2008-06-12
JP2013258685A2013-12-26
JPH05316361A1993-11-26
Other References:
See also references of EP 3321911A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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