A method and apparatus for acquiring target spatial position information of a target object

By acquiring the image location of the target object and the pose information of the camera device in the drone image, and combining the spatial location of map points, the three-dimensional coordinate system position of the target object is calculated, which solves the problem of inaccurate target object location determination in drone monitoring and improves the accuracy and efficiency of the monitoring system.

CN115439531BActive Publication Date: 2026-04-28HISCENE INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202210703660.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-21
Publication Date
2026-04-28
Estimated Expiration
2042-06-21

AI Technical Summary

Technical Problem

Existing drone monitoring systems struggle to accurately pinpoint the spatial location of targets in real time, resulting in inaccurate correspondence between drone images and actual geographical locations, thus impacting patrol efficiency.

Method used

By acquiring the target object image location information, camera pose information, and spatial location information of multiple map points in the UAV image, and combining the imaging model of the camera device, the spatial location of the target object in the three-dimensional Cartesian coordinate system is calculated.

Benefits of technology

It achieves accurate positioning of drone images against real geographical locations, improving the accuracy and efficiency of drone monitoring and providing a good aerial photography experience.

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Abstract

The application aims to provide a method and device for obtaining target space position information of a target object, comprising: obtaining a UAV image of the target object captured by a camera of a UAV device and camera pose information of the camera when the UAV image is captured, wherein the camera pose information comprises camera position information and camera attitude information of the camera; obtaining image position information of the corresponding target object in the UAV image; obtaining space position information of a plurality of map points; and determining target space position information of the target object in a three-dimensional rectangular coordinate system according to the space position information of the plurality of map points, the image position information, the camera position information and the camera attitude information. The application helps monitoring personnel to quickly and accurately correspond the real geographical position of the UAV image and the target object, and provides a good UAV device patrol and aerial photography experience.
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