Vehicle light distribution control device and method
A light distribution control and control device technology, applied to signal devices, vehicle parts, headlights, etc., can solve problems such as restriction and release
Active Publication Date: 2015-04-29
TOYOTA JIDOSHA KK
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Problems solved by technology
In this way, there is a problem of unnecessarily repeating the limitation and release of the irradiation range due to objects (other than other vehicles) such as reflectors on the side of the road.
Method used
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[0020] Hereinafter, preferred embodiments will be described with reference to the drawings.
[0021] figure 1 It is a configuration diagram of main parts showing one embodiment of the vehicle light distribution control device 1 . The vehicle light distribution control device 1 includes an image sensor 10 , a switch 20 , a vehicle information acquisition unit 30 , a control ECU (Electronic Control Unit, electronic control unit) 40 , and a headlight 50 .
[0022] The image sensor 10 is composed of a camera, and captures an image of the scenery ahead of the vehicle (front environment image) using an imaging element such as a CCD (charge-coupled device) or a CMOS (complementary metal oxide semiconductor). The image sensor 10 is mounted on the vehicle so as to be able to capture the scenery ahead. For example, the image sensor 10 is mounted on, for example, the back side (surface on the front side of the vehicle) of an interior mirror. The image sensor 10 acquires an image of th...
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A vehicle light distribution control apparatus includes a camera configured to capture a scene in a forward direction of the vehicle; a lighting apparatus configured to illuminate a forward direction of the vehicle with illumination light; and a controller configured to detect an image portion in an image captured by the camera as an object estimated as another vehicle when the image portion meets a predetermined criterion, and control a light distribution of the illumination light based on a detection result, wherein if the controller detects the object estimated as another vehicle within an illumination region of the illumination light, it limits the illumination region of the illumination light such that the object estimated as another vehicle is not illuminated by the illumination light, and then if it does not detect an object estimated as another vehicle within a non-illumination region of the illumination light due to the limitation, it restricts a cancellation of the limitation of the illumination region of the illumination light until a predetermined cancellation criteria is met.
Description
technical field [0001] The invention relates to a vehicle light distribution control device and method. Background technique [0002] Conventionally, there is known a technique of controlling the light distribution of illumination light for illuminating the front of the vehicle based on the detection results of other vehicles detected by a camera so as not to dazzle other vehicles such as vehicles traveling ahead and oncoming vehicles ( For example, refer to Patent Documents 1 and 2, and Non-Patent Document 3). [0003] Patent Document 1: Japanese Unexamined Patent Publication No. 2009-211963 [0004] Patent Document 2: WO2009 / 037388 [0005] Non-Patent Document 3: Society of Lighting, paper published by Bernd Dreier, Ernst-Olaf Rosenhahn (Automotive Lighting Reutlingen, Germany) in the booklet "8th International Symposium on Automotive Lighting2009version13", titled "Camera ControlledAdaptive Cut-off and Adaptive Partial High Beam Applications” [0006] However, there i...
Claims
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IPC IPC(8): B60Q1/14
CPCB60Q2300/056B60Q2300/41B60Q2300/42B60Q2300/45B60Q2300/052B60Q1/143G06V20/584B60Q1/08
Inventor 高垣达也
Owner TOYOTA JIDOSHA KK