公开(公告)号：US11127285B2

公开(公告)日：2021-09-21

申请号：US16229392

申请日：2018-12-21

Applicant: HERE Global B.V.

Inventor： Jingwei Xu ,  Xin Gao ,  Weimin Huang ,  Bruce Bernhardt

IPC: G08G1/01

Abstract: A method for improved traffic congestion estimation is provided using signal phase and timing data from traffic signals at intersections and probe data from vehicles traversing said intersections. An example method may include: identifying each of a plurality of paths through an intersection; identifying signal phase and timing data for each traffic light associated with each path through the intersection; receiving probe data for vehicles approaching or traversing the intersection; estimating a number of vehicles failing to traverse the intersection along a path through the intersection; estimating a congestion status of the path through the intersection based on the number of vehicles failing to traverse the intersection; and causing the congestion status to be provided to permit updating of a map to reflect the congestion status.

公开(公告)号：US20180286228A1

公开(公告)日：2018-10-04

申请号：US15473053

申请日：2017-03-29

Applicant: HERE Global B.V.

Inventor： Jingwei Xu ,  Bruce Bernhardt ,  Arnold Sheynman ,  Xin Gao

IPC: G08G1/082

CPC classification number: G08G1/082 ,  G08G1/0112 ,  G08G1/0129 ,  G08G1/0145 ,  G08G1/07

Abstract: A method is provided for controlling traffic lights of a road geometry network using a cloud-based traffic control system. Methods may include: receiving map data including road network geometry and traffic light locations relative to intersections of the road network geometry; receiving signal phase and timing of traffic lights at the traffic light locations; receiving probe and sensor data from a plurality of probes traversing the road network geometry; analyzing the received probe and sensor data from the plurality of probes relative to the road network geometry and the traffic light locations; determining revised signal phase and timing for at least one traffic light within the road network geometry based on the analyzed probe and sensor data relative to the road network geometry and the traffic light locations; and providing revised signal phase and timing to the at least one traffic light within the road network geometry.

公开(公告)号：US10181263B2

公开(公告)日：2019-01-15

申请号：US15363711

申请日：2016-11-29

Applicant: HERE Global B.V.

Inventor： Jingwei Xu ,  Xin Gao ,  Weimin Huang ,  Bruce Bernhardt

IPC: G08G1/01

Abstract: A method for improved traffic congestion estimation is provided using signal phase and timing data from traffic signals at intersections and probe data from vehicles traversing said intersections. An example method may include: identifying each of a plurality of paths through an intersection; identifying signal phase and timing data for each traffic light associated with each path through the intersection; receiving probe data for vehicles approaching or traversing the intersection; estimating a number of vehicles failing to traverse the intersection along a path through the intersection; estimating a congestion status of the path through the intersection based on the number of vehicles failing to traverse the intersection; and causing the congestion status to be provided to permit updating of a map to reflect the congestion status.

公开(公告)号：US10127811B2

公开(公告)日：2018-11-13

申请号：US15473053

申请日：2017-03-29

Applicant: HERE Global B.V.

Inventor： Jingwei Xu ,  Bruce Bernhardt ,  Arnold Sheynman ,  Xin Gao

IPC: G08G1/082

Abstract: A method is provided for controlling traffic lights of a road geometry network using a cloud-based traffic control system. Methods may include: receiving map data including road network geometry and traffic light locations relative to intersections of the road network geometry; receiving signal phase and timing of traffic lights at the traffic light locations; receiving probe and sensor data from a plurality of probes traversing the road network geometry; analyzing the received probe and sensor data from the plurality of probes relative to the road network geometry and the traffic light locations; determining revised signal phase and timing for at least one traffic light within the road network geometry based on the analyzed probe and sensor data relative to the road network geometry and the traffic light locations; and providing revised signal phase and timing to the at least one traffic light within the road network geometry.

公开(公告)号：US20180151064A1

公开(公告)日：2018-05-31

申请号：US15363711

申请日：2016-11-29

Applicant: HERE Global B.V.

Inventor： Jingwei Xu ,  Xin Gao ,  Weimin Huang ,  Bruce Bernhardt

IPC: G08G1/01

CPC classification number: G08G1/0125 ,  G08G1/0112 ,  G08G1/0116 ,  G08G1/0133 ,  G08G1/0141 ,  G08G1/0145

Abstract: A method for improved traffic congestion estimation is provided using signal phase and timing data from traffic signals at intersections and probe data from vehicles traversing said intersections. An example method may include: identifying each of a plurality of paths through an intersection; identifying signal phase and timing data for each traffic light associated with each path through the intersection; receiving probe data for vehicles approaching or traversing the intersection; estimating a number of vehicles failing to traverse the intersection along a path through the intersection; estimating a congestion status of the path through the intersection based on the number of vehicles failing to traverse the intersection; and causing the congestion status to be provided to permit updating of a map to reflect the congestion status.