In-vehicle device, information processing system, and information processing method

1. An in-vehicle device comprising first circuitry configured to:

detect that a predetermined lane change has been made in a vehicle;

acquire information indicating acceleration of the vehicle, the acceleration being an acceleration at a time when the lane change is made;

acquire image data obtained by imaging a periphery of the vehicle;

detect a predetermined event in front of the vehicle by analyzing the image data acquired by the first circuitry;

judge a traveling environment of the vehicle, the traveling environment being a traveling environment when the lane change is made, based upon the presence or absence of the predetermined event;

decide a first risk level by comparing the information indicating the acceleration acquired by the first circuitry with one or more first threshold values when the predetermined event is not detected;

determine a risk level of the lane change using the first risk level decided by the first circuitry and the traveling environment of the vehicle judged by the first circuitry; and

stop risk level decision processing of the first circuitry or invalidate the risk level decided by the first circuitry when the first circuitry detects the predetermined event,

wherein the predetermined event is an event in which a rapid deceleration operation of the vehicle is unavoidable.

2. The in-vehicle device according to claim 1 , wherein the first circuitry is configured to:

acquire information indicating a distance between the vehicle and another vehicle, the distance being a distance when the lane change is made;

decide a second risk level by comparing the information indicating the distance acquired by the first circuitry with one or more second threshold values; and

determine the risk level of the lane change by further using the second risk level decided by the first circuitry.

3. An in-vehicle device comprising first circuitry configured to:

detect that a predetermined lane change has been made in a vehicle;

acquire a time-converted information indicating a distance between the vehicle and another vehicle, the distance being a distance when the lane change is made;

acquire image data obtained by imaging a periphery of the vehicle;

detect a predetermined event in front of the vehicle by analyzing the image data acquired by the first circuitry;

judge a traveling environment of the vehicle, the traveling environment being a traveling environment when the lane change is made, based upon the presence or absence of the predetermined event;

decide a second risk level by comparing the time-converted information indicating the distance between the vehicle and another vehicle acquired by the first circuitry with one or more second threshold values when the time-converted information indicating the distance between the vehicle and another vehicle exceeds a first threshold value;

determine a risk level of the lane change using the second risk level decided by the first circuitry and the traveling environment of the vehicle judged by the first circuitry; and

stop risk level decision processing of the first circuitry or invalidate the risk level decided by the first circuitry when the first circuitry detects the predetermined event,

wherein the predetermined event is an event in which a rapid deceleration operation of the vehicle is unavoidable.

4. The in-vehicle device according to claim 1 , wherein the predetermined event includes detection of a red light, a pedestrian, or an obstacle in front of the vehicle.

5. The in-vehicle device according to claim 3 , wherein the predetermined event includes detection of a red light, a pedestrian, or an obstacle in front of the vehicle.

6. The in-vehicle device according to claim 1 , wherein the predetermined lane change includes a lane change for the vehicle to overtake or pass another vehicle.

7. The in-vehicle device according to claim 3 , wherein the predetermined lane change includes a lane change for the vehicle to overtake or pass another vehicle.

8. The in-vehicle device according to claim 1 , wherein that the predetermined lane change includes a lane change in which the vehicle moves forward or backward with respect to another vehicle.

9. The in-vehicle device according to claim 3 , wherein that the predetermined lane change includes a lane change in which the vehicle moves forward or backward with respect to another vehicle.

10. The in-vehicle device according to claim 1 , further comprising a transmission unit configured to transmit determination information including a determination result of the first circuitry to an information processing apparatus that is linked with a predetermined service provided to a user of the vehicle.

11. The in-vehicle device according to claim 3 , further comprising a transmission unit configured to transmit determination information including a determination result of the first circuitry to an information processing apparatus that is linked with a predetermined service provided to a user of the vehicle.

12. An information processing system comprising:

the in-vehicle device according to claim 10 ; and

an information processing apparatus configured to communicate with the in-vehicle device through a network,

wherein the information processing apparatus includes

a receiver configured to receive determination information, which is transmitted from the in-vehicle device and includes a determination result of a risk level of a lane change by a vehicle in which the in-vehicle device is mounted, and

second circuitry configured to

manage one or more pieces of the determination information received by the receiver by storing the pieces of the determination information in a storage unit, and

link one or more pieces of the determination information managed by the second circuitry with the predetermined service provided to the user.

13. An information processing system comprising:

the in-vehicle device according to claim 11 ; and

an information processing apparatus configured to communicate with the in-vehicle device through a network,

wherein the information processing apparatus includes

a receiver configured to receive determination information, which is transmitted from the in-vehicle device and includes a determination result of a risk level of a lane change by a vehicle in which the in-vehicle device is mounted, and

second circuitry configured to

manage one or more pieces of the determination information received by the receiver by storing the pieces of the determination information in a storage unit, and

link one or more pieces of the determination information managed by the second circuitry with the predetermined service provided to the user.

14. An information processing method characterized by comprising:

detecting that a predetermined lane change has been made in a vehicle by using a computer;

acquiring information indicating acceleration of the vehicle, the acceleration being an acceleration at a time when the lane change is made by using the computer;

acquire image data obtained by imaging a periphery of the vehicle;

detect a predetermined event in front of the vehicle by analyzing the image data acquired by the computer;

judging a traveling environment of the vehicle, the traveling environment being a traveling environment when the lane change is made by using the computer, based upon the presence or absence of the predetermined event;

deciding a first risk level by comparing the acquired information indicating the acceleration with one or more threshold values by using the computer when the predetermined event is not detected;

determining a risk level of the lane change using the decided first risk level and the judged traveling environment of the vehicle by using the computer; and

stop risk level decision processing of the computer or invalidate the risk level decided by computer when the computer detects the predetermined event,

wherein the predetermined event is an event in which a rapid deceleration operation of the vehicle is unavoidable.