PROBLEM TO BE SOLVED: To provide a luminance value calculation device and a traffic lane detection system that can enlarge a difference in a luminance value between a traffic lane and a road surface other than the traffic lane.SOLUTION: A luminance value calculation device (1) comprises: color image acquisition means (5) for acquiring a color image captured by photographing an outside of a vehicle; luminance value calculation means (5) for calculating a luminance value A of a pixel in at least one part area of the color image on the basis of an expression (1). The expression (1):A=αA+βA+γA, where in the expression (1), Arepresents luminance of R in the pixel of which the luminance value A is calculated, Arepresents luminance of G in the pixel of which the luminance value A is calculated, Arepresents luminance of B in the pixel of which the luminance value A is calculated, and α, β, and γ are a constant having a magnitude relationship of α>β>γ established.
【課題】車線とそれ以外の路面との輝度値の差を大きくすることができる輝度値算出装置及び車線検出システムを提供すること。【解決手段】車両の外を撮影して得られたカラー画像を取得するカラー画像取得手段(5)と、前記カラー画像の少なくとも一部の領域における画素の輝度値Aを、式(1)に基づき算出する輝度値算出手段(5)と、を備えることを特徴とする輝度値算出装置(1)。式(1):A=αAR+βAG+γAB。式(1)において、ARは輝度値Aを算出しようとする画素におけるRの輝度であり、AGは輝度値Aを算出しようとする画素におけるGの輝度であり、ABは輝度値Aを算出しようとする画素におけるBの輝度である。α、β、γは、α>β>γの大小関係が成立する定数である。【選択図】 図1
LUMINANCE VALUE CALCULATION DEVICE AND TRAFFIC LANE DETECTION SYSTEM
輝度値算出装置及び車線検出システム
2015-07-02
Patent
Elektronische Ressource
Japanisch
IPC: | G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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