US 12,272,159 B2
Driving analysis device and driving analysis method for analyzing driver tendency
Keisuke Kurokawa, Kariya (JP); and Kaname Ogawa, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on May 27, 2022, as Appl. No. 17/826,403.
Application 17/826,403 is a continuation of application No. PCT/JP2020/044557, filed on Nov. 30, 2020.
Claims priority of application No. 2019-218107 (JP), filed on Dec. 2, 2019.
Prior Publication US 2022/0284718 A1, Sep. 8, 2022
Int. Cl. G06V 20/59 (2022.01); B60K 35/00 (2006.01); G06T 7/73 (2017.01); G06T 11/20 (2006.01); G06V 10/62 (2022.01); G06V 10/766 (2022.01); B60K 35/65 (2024.01)
CPC G06V 20/597 (2022.01) [B60K 35/00 (2013.01); G06T 7/74 (2017.01); G06T 11/206 (2013.01); G06V 10/62 (2022.01); G06V 10/766 (2022.01); B60K 35/65 (2024.01); B60K 2360/741 (2024.01); G06T 2207/20081 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/30201 (2013.01); G06T 2207/30268 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A driving analysis device comprising:
an information generation unit configured to generate a time series of detection elements including a line-of-sight direction indicating to which of a plurality of preset viewable areas a line of sight of a driver driving a vehicle is oriented and an open/closed state of driver's eyes;
an acquisition unit configured to acquire evaluation data from the time series of the detection elements using a time window having a preset time width;
an extraction unit configured to extract a plurality of feature quantities including at least a result of summation of appearance frequencies with respect to each of the detection elements from the evaluation data;
an analysis unit configured to analyze a driver's tendency using a function receiving, as input, at least a part of the feature quantities extracted by the extraction unit; and
a display configured to display the at least the part of the feature quantities extracted by the extraction unit in a form of radar chart.