Abstract: An information processing system for transmitting support information to a support target vehicle based on target vehicle data, the information processing system comprising: a moving body encounter situation estimating unit that estimates whether or not a situation of the area is a moving object encounter situation based on target vehicle data in a preset area; and a vehicle support unit that transmits support information to the support target vehicle when a situation of an area in which the support target vehicle is located is a moving object encounter situation, and does not transmit support information to the support target vehicle when a situation of an area in which the support target vehicle is located is not a moving object encounter situation.

Abstract: An acquisition unit that acquires target vehicle data including information on the activation of warning light displays in a predetermined target vehicle and/or predetermined operations by the driver of the target vehicle; and the number of activations of warning light displays acquired by the acquisition unit and/or the predetermined operations. and a determination unit that determines whether the activation of the warning light display and/or the occurrence of the predetermined operation is due to submergence of the target vehicle based on the number of occurrences of the warning light display.

Abstract: A driver assist system is provided with a plurality of vehicles at which predetermined driver assist is performed and a server configured to be able to communicate with the vehicles. The server is configured to set an assist region for making the vehicles perform driver assist and set as an assist road segment a road segment with a high frequency of occurrence of at least one of accidents and near misses from among the road segments of intersections in that assist region, based on predetermined information stored in the server, and send information relating to a specific intersection having that assist road segment to the vehicles. The vehicles are configured to receive information relating to that specific intersection from the server, and perform the driver assist when running on the assist road segment.

Abstract: A traffic risk estimation device includes: a data generation unit that generates aggregated data regarding a predetermined dangerous phenomenon from vehicle data acquired in an entire target area including a plurality of unit areas; and a risk determination unit that determines a traffic risk for each of the plurality of unit areas based on the aggregated data.

Abstract: The information processing server includes an unstable behavior position recognition unit configured to recognize an unstable behavior position being a position on a map, at which the target vehicle has performed an unstable behavior, based on the target vehicle data, a support target vehicle determination unit configured to, when the unstable behavior position recognition unit recognizes the unstable behavior position, determine whether or not there is a support target vehicle, based on the unstable behavior position and the target vehicle data, the support target vehicle being the target vehicle estimated to perform the unstable behavior at the unstable behavior position within a predetermined time, and a vehicle support unit configured to, when the support target vehicle determination unit determines that there is the support target vehicle, perform, on the support target vehicle, a vehicle support for suppressing performing of the unstable behavior at the unstable behavior position.

Abstract: A precipitation level estimation system includes a calculation unit configured to: acquire detection data related to precipitation; and calculate a precipitation amount in a predetermined area included in an observation target area. The calculation unit is configured to: calculate a first feature in a first predetermined period based on first detection data acquired from a first area including the predetermined area, the first predetermined period being a period that is past with respect to present; calculate a second feature in a second predetermined period in a second area adjacent to the first area based on second detection data acquired in the second area, the second predetermined period being a period that is past with respect to the first predetermined period; calculate the precipitation amount using a precipitation amount estimation model using the first feature and the second feature as variables; and calculate the precipitation amount based on the features.

Abstract: A vehicle assist server performs a vehicle assist for an object vehicle using a previously generated assist content, based on object vehicle data including a traveling state of the object vehicle and position information about the object vehicle on a map. The vehicle assist server includes a prevalence degree estimation unit, a prevalence degree determination unit, and a registration unit.

Abstract: An information processing server includes a target vehicle data recognition unit configured to recognize target vehicle data including a traveling state of a target vehicle and position information of the target vehicle on a map, an unstable behavior position recognition unit configured to recognize an unstable behavior position which is a position on the map, at which at least one target vehicle has performed an unstable behavior, based on a plurality of pieces of the target vehicle data, a determination unit configured to determine whether the unstable behavior position is in a continuous occurrence situation or a discontinuous situation, based on whether or not a plurality of the target vehicles perform the unstable behavior at the unstable behavior position, and a storage processing unit configured to store a determination result by the determination unit, in a storage database in association with the unstable behavior position.

Abstract: An acquisition unit that acquires target vehicle data including information on the activation of warning light displays in a predetermined target vehicle and/or predetermined operations by the driver of the target vehicle; and the number of activations of warning light displays acquired by the acquisition unit and/or the predetermined operations. and a determination unit that determines whether the activation of the warning light display and/or the occurrence of the predetermined operation is due to submergence of the target vehicle based on the number of occurrences of the warning light display.

Abstract: A model update necessity determination system is a model update necessity determination system that determines necessity of updating a machine learning model that performs learning using vehicle data under predetermined learning conditions and predicts changes in the behavior of a target vehicle based on target vehicle data acquired from target vehicles within a preset area. The system includes a number-of-deviations calculation unit that calculates the number of deviations in which the target vehicle data deviates from the learning condition based on the target vehicle data of the target vehicles in the area, and an update necessity determination unit that determines the necessity of updating the machine learning model.

Abstract: An information processing system for estimating whether the activation of a collision warning in a predetermined target vehicle is reproduced in another target vehicle, comprising: an acquisition unit for acquiring target vehicle data, which is information about the target vehicle; and a target of the predetermined target vehicle. By inputting the target vehicle data acquired by the acquisition unit into the collision warning reproduction model generated by extracting the feature amount that contributes to the reproduction of the collision warning from the vehicle data, it is possible to determine whether the collision warning will be reproduced in other target vehicles and a reproduction estimation unit for estimating.

Abstract: A driving assistance system includes an assistance information acquisition unit configured to acquire assistance information from an information processing server, a setting information acquisition unit configured to acquire an assistance timing of an in-vehicle driving assistance unit set by a driver of a target vehicle, and an assistance information providing unit configured to execute driving assistance for the target vehicle based on the acquired assistance information. The assistance information providing unit provides the driving assistance based on the assistance information when the assistance timing is within a first timing range and does not execute the driving assistance based on the assistance information when the assistance timing is within a second timing range later than the first timing range.

Abstract: An information processing system for transmitting support information to a support target vehicle based on target vehicle data, the information processing system comprising: a moving body encounter situation estimating unit that estimates whether or not a situation of the area is a moving object encounter situation based on target vehicle data in a preset area; and a vehicle support unit that transmits support information to the support target vehicle when a situation of an area in which the support target vehicle is located is a moving object encounter situation, and does not transmit support information to the support target vehicle when a situation of an area in which the support target vehicle is located is not a moving object encounter situation.

Abstract: An information processing system for transmitting support information to a support target vehicle based on target vehicle data, the information processing system comprising: a moving body encounter situation estimating unit that estimates whether or not a situation of the area is a moving object encounter situation based on target vehicle data in a preset area; and a vehicle support unit that transmits support information to the support target vehicle when a situation of an area in which the support target vehicle is located is a moving object encounter situation, and does not transmit support information to the support target vehicle when a situation of an area in which the support target vehicle is located is not a moving object encounter situation.

Abstract: A vehicle communication system includes: a communication server and a vehicle control device. The vehicle control device includes at least one electronic control unit configured to: recognize a position of the host vehicle; acquire section information on the communication established section and the communication interrupted section; determine in which section, either the communication established section or the communication interrupted section, the host vehicle is traveling or is to travel; perform system driven control of the host vehicle based on the road condition information when the host vehicle travels in the communication established section; and perform driver driven control of the host vehicle when the host vehicle travels in the communication interrupted section.

Abstract: An information processing server is configured to acquire target vehicle data having traveling conditions of target vehicles and position information of the target vehicles on a map, recognize, based on the target vehicle data, an unstable behavior position on the map where at least one of the target vehicles exhibits unstable behavior, measure an occurrence count of the unstable behavior positions within a predetermined period in a mesh preset on the map, enlarge the mesh to include the unstable behavior positions within the predetermined period such that the occurrence count of the unstable behavior positions is equal to or larger than a first threshold, and store the mesh and the unstable behavior positions of the mesh in a storage database related to each other.

Abstract: A vehicle communication system includes: a communication server and a vehicle control device. The vehicle control device includes at least one electronic control unit configured to: recognize a position of the host vehicle; acquire section information on the communication established section and the communication interrupted section; determine in which section, either the communication established section or the communication interrupted section, the host vehicle is traveling or is to travel; perform system driven control of the host vehicle based on the road condition information when the host vehicle travels in the communication established section; and perform driver driven control of the host vehicle when the host vehicle travels in the communication interrupted section.

Abstract: A vehicle communication system includes: a communication server and a vehicle control device. The vehicle control device (102) includes at least one electronic control unit configured to: recognize a position of the host vehicle; acquire section information on the communication established section and the communication interrupted section; determine in which section, either the communication established section or the communication interrupted section, the host vehicle is traveling or is to travel; perform system driven control of the host vehicle based on the road condition information when the host vehicle travels in the communication established section; and perform driver driven control of the host vehicle when the host vehicle travels in the communication interrupted section.

Abstract: A change point detection device includes a memory 170 that stores map information representing a structure associated with a traveling condition on and around a road, an object detection unit 162 that detects a shielding object 20 hiding the structure from an image acquired by an in-vehicle camera 110 mounted on a vehicle 100 and representing an environment around the vehicle 100, a collation unit 163 that eliminates the structure hidden by the shielding object 20 in the map information, collates the image with the map information, and calculates a coincidence degree between the image and the map information, and a change point detection unit 164 that determines, when the coincidence degree is less than or equal to a predetermined threshold value, that the structure represented in the image has a change point different from the corresponding structure represented in the map information.

Abstract: A driving assistance system includes an assistance information acquisition unit configured to acquire assistance information from an information processing server, a setting information acquisition unit configured to acquire an assistance timing of an in-vehicle driving assistance unit set by a driver of a target vehicle, and an assistance information providing unit configured to execute driving assistance for the target vehicle based on the acquired assistance information. The assistance information providing unit provides the driving assistance based on the assistance information when the assistance timing is within a first timing range and does not execute the driving assistance based on the assistance information when the assistance timing is within a second timing range later than the first timing range.