Patent ID: 11921189
Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A system for determining a three-dimensional (3D) coordinate of a moving target, the system comprising:
at least one non-transitory storage medium including a set of instructions;
at least one processor to communicate with the at least one non-transitory storage medium; and
a two-dimensional (2D) detection device, wherein the 2D detection device is mounted on a perimeter that is substantially perpendicular to a horizontal plane and the 2D detection device including a shell and at least two detection assemblies, wherein the shell is used to accommodate the at least two detection assemblies; and the at least two detection assemblies are mounted at a known height above the horizontal plane with a tilting angle, wherein the at least two detection assemblies are mounted at a known height above the horizontal plane with a tilting angle includes:
the at least two detection assemblies are mounted parallel to the shell of the 2D detection device and the shell of the 2D detection device is mounted with the tilting angle to the horizontal plane; or
the at least two detection assemblies are mounted with the tilting angle to the shell of the 2D detection device and the shell of the 2D detection device is mounted parallel to the horizontal plane;

and the 2D detection device is configured to:
generate 2D detection data of the moving target;

when executing the set of instructions, the at least one processor is directed to:
obtain the two-dimensional (2D) detection data from the 2D detection device;
determine a 2D coordinate of the moving target in a first coordinate system based on the 2D detection data, wherein the first coordinate system is a 2D coordinate system including the first axis and a second axis that is perpendicular to the first axis, and the 2D coordinate of the moving target includes a first value of the first axis and a second value of the second axis; and
determine the 3D coordinate of the moving target in a second coordinate system based on the 2D coordinate, the tilting angle, and the known height.