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US 2017/0372148 A1Published application
Lane level traffic
AssigneeHERE Global B.V.
InventorsXin CHEN, Xiang MA, Roman OSTROVSKIY, Terence ZHAO
Life of this patent
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Abstract
Lane level traffic levels are determined based on traffic camera images. A controller aligns a three-dimensional map with a traffic camera view, and identifies multiple lanes in the traffic camera view based on lane delineations of the three-dimensional map. The controller calculates a traffic parameter based on the multiple lanes in image frames from the traffic camera view and provides a traffic graphic based on the traffic parameter.
Claims20
A method comprising:
- obtaining image frames from a camera having a traffic camera view of a multiple lane road;
- aligning, with a processor, a three-dimensional map with the traffic camera view of the multiple lane road, the three-dimensional map and the traffic camera view having at least one common point with a known location;
- identifying a plurality of lanes in the image frames of the traffic camera view based on lane delineations of the three-dimensional map;
- tracking vehicles in the plurality of lanes between image frames of the traffic camera view;
- and
- calculating a traffic parameter based on the vehicles in image frames of the traffic camera view.
3 more elements
An apparatus comprising:
- at least one processor;
- and
- at least one memory including computer program code for one or more programs;
- the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to at least perform:
- align a three-dimensional map with a traffic camera view of a multiple lane road, the three-dimensional map and the traffic camera view having at least one common point with a known location;
- identify a plurality of lanes in image frames of the traffic camera view based on lane delineations of the three-dimensional map;
- track vehicles in the plurality of lanes between image frames of the traffic camera view;
- and
- calculate a traffic parameter based on the vehicles in image frames from the traffic camera view, wherein the plurality of lanes travel in a same direction and the traffic parameter includes data for each of the plurality of lanes in the same direction.
6 more elements
A non-transitory computer readable medium including instructions that when executed on a computer are operable to:
- align a three-dimensional map with a traffic camera view of a multiple lane road, the three-dimensional map and the traffic camera view having at least one common point with a known location;
- identify a plurality of lanes in image frames of the traffic camera view based on lane delineations of the three-dimensional map;
- track vehicles in the plurality of lanes between image frames of the traffic camera view;
- and
- calculate a traffic parameter based on the vehicles in image frames from the traffic camera view, wherein the plurality of lanes travel in a same direction and the traffic parameter includes data for each of the plurality of lanes in the same direction.
2 more elements
Dependencies are inferred from the claim text.