JP2022145251A5

JP2022145251A5 -

Info

Publication number: JP2022145251A5
Application number: JP2021046574A
Authority: JP
Filing date: 2021-03-19
Publication date: 2023-10-11

Claims

a situation recognition unit that acquires vehicle position information, behavior information of the vehicle, and image information around and inside the vehicle as information sources, and recognizes the situation of the vehicle based on the information sources; and (36)
a determination unit that analyzes the recognition result of the situation recognition unit and determines the presence or absence of a risk event that may occur while the vehicle is running; (38, 40);
a notification unit that notifies at least a driver of the vehicle of advice for resolving the risk event when the determination unit determines that the risk event exists ;
The determination unit is configured to select at least one of a search condition based on a location where the vehicle is present, a search condition based on the behavior of the vehicle, a search condition based on the surrounding environment of the vehicle, and a search condition based on the state of the driver of the vehicle. The risk event is determined using a scene search formula for searching whether or not the search condition is met, and a judgment formula for determining the presence or absence of the risk event for the scene searched by the scene search formula. A driving support device that determines the presence or absence of an event .

The situation recognition unit
Classifying the information sources into essential information sources based on location information of the vehicle and behavior information of the vehicle, and optional information sources based on image information around the vehicle and inside the vehicle,
According to the recognition items used in the determination of the risk event by the determination unit,
a first recognition function that recognizes a driving situation based on the essential information source and outputs it to the determination unit as a first stage situation recognition;
If the first-stage output is insufficient as recognition items for use in determining risk events, the second-stage situation recognition recognizes the driving situation based on the essential information source and the optional information source, and the determination unit a second recognition function that outputs to
The driving support device according to claim 1, comprising:

The risk event determined by the determination unit can be overlapped with at least a behavior-type risk event related to a violation of the Road Traffic Act and a location-type risk event based on a scene determined by at least a driving location and own vehicle driving behavior. and scoring each of the behavioral risk event and the location risk event according to the importance of measures, and determines the priority of notification by the notification unit based on the scoring result. , The driving support device according to claim 1 or claim 2.

Claims 1 to 3, further comprising a monitoring unit that acquires the determination result of the determination unit, monitors the quality of the determination result of the determination unit, and updates the determination criteria of the determination unit based on the monitoring result. The driving support device according to claim 3.

The driving support device according to claim 4, wherein the monitoring unit acquires determination accuracy information from the determining unit and monitors the quality of the determination results in descending order of determination accuracy.

The driving support device according to any one of claims 1 to 5, wherein driving information of the vehicle is added as an information source acquired by the situation recognition unit.

Acquiring vehicle position information, behavior information of the vehicle, and image information around and inside the vehicle as information sources, and recognizing the situation of the vehicle based on the information sources;
Analyzing the recognition results to determine the presence or absence of a risk event that may occur while the vehicle is running;
when it is determined that the risk event exists, notifying at least the driver of the vehicle of advice for resolving the risk event;
Driving support method.

It is mounted on a vehicle, and photographs the surrounding environment including at least the front of the vehicle, records the photographed images within a predetermined capacity, rewriting them in order from the oldest images, and when an emergency period is detected. , a main control unit that stores images for a predetermined period before and after the emergency period;
The driving support device according to any one of claims 1 to 7;
A drive recorder with

computer,
Operate as each part of the driving support device according to any one of claims 1 to 6,
Driving support control program.