US 11,897,382 B2
Vehicle lamp system, vehicle lamp control device and vehicle lamp control method
Yoshinori Shibata, Shizuoka (JP); and Takao Muramatsu, Shizuoka (JP)
Assigned to KOITO MANUFACTURING CO., LTD., Tokyo (JP)
Filed by KOITO MANUFACTURING CO., LTD., Tokyo (JP)
Filed on Aug. 17, 2021, as Appl. No. 17/404,430.
Application 17/404,430 is a continuation of application No. 16/479,638, granted, now 11,097,653, previously published as PCT/JP2018/000377, filed on Jan. 10, 2018.
Claims priority of application No. 2017-008585 (JP), filed on Jan. 20, 2017; application No. 2017-008586 (JP), filed on Jan. 20, 2017; application No. 2017-021543 (JP), filed on Feb. 8, 2017; application No. 2017-021544 (JP), filed on Feb. 8, 2017; application No. 2017-113719 (JP), filed on Jun. 8, 2017; and application No. 2017-192575 (JP), filed on Oct. 2, 2017.
Prior Publication US 2021/0370820 A1, Dec. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B60Q 1/14 (2006.01); G06V 10/141 (2022.01); G06V 20/56 (2022.01)
CPC B60Q 1/143 (2013.01) [G06V 10/141 (2022.01); G06V 20/56 (2022.01); B60Q 2300/42 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A vehicle lamp control device comprising:
an imaging unit configured to take an image ahead of a host vehicle;
a target analysis unit configured to detect target objects ahead of the host vehicle based on information obtained from the imaging unit;
a tracking unit configured to repeatedly determine a specific target object from the target objects detected by the target analysis unit and to repeatedly detect displacement of the specific target object based on a detection result of a luminance analysis unit configured to detect luminance of each of a plurality of individual areas ahead of the host vehicle based on the information obtained from the imaging unit; and
a pattern formation control unit configured to determine a formation range of a luminance-dependent light distribution pattern in which illuminance values are set depending on the luminances detected by the luminance analysis unit, and a formation range of a luminance-independent light distribution pattern in which illuminance values are set independently of the luminances detected by the luminance analysis unit,
wherein position information of a specific individual area corresponding to a position of the specific target object is updated based on the repeatedly detected displacement,
wherein a light distribution pattern to be formed by a light source unit of a vehicle lamp is determined based on the detection result of the luminance analysis unit and a detection result of the tracking unit, and
wherein the pattern formation control unit, based on a detection result of the luminance analysis unit, sets an area having a high possibility that a target object to be recognized will exist therein, as the formation range of the luminance-dependent light distribution pattern, and sets an area having a low possibility that a target object to be recognized will exist therein, as the formation range of the luminance-independent light distribution pattern.