An ar precise navigation method and system for mountainous construction safety

CN121498702BActive Publication Date: 2026-06-23YINGYU (SHANGHAI) TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YINGYU (SHANGHAI) TECH CO LTD
Filing Date
2025-12-01
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing AR navigation systems suffer from insufficient environmental perception and safety assessment capabilities, inadequate positioning accuracy, and poor AR visualization navigation effects in emergency construction scenarios in mountainous areas. They are unable to effectively identify and warn of potential terrain hazards, resulting in inaccurate navigation path planning and affecting rescue efficiency and safety.

Method used

By monitoring sudden emergency events at construction sites in mountainous areas in real time, using drones to collect high-definition video streams to construct a three-dimensional environmental feature set, generating a visual anchor point library and performing registration, combining it with satellite positioning for weighted fusion, dynamically analyzing terrain and environmental features, generating a real-time hazard assessment matrix, and rendering virtual navigation signs and dangerous area boundaries on AR display devices to achieve precise navigation.

Benefits of technology

It achieves adaptive fusion of visual positioning and satellite positioning in mountainous environments, dynamically corrects elevation deviations, comprehensively quantifies terrain hazard features, and dynamically plans safe routes, thereby improving the perception capabilities and decision-making efficiency of rescue personnel, reducing the risk of secondary accidents, and providing a high-precision, high-safety, and highly intuitive navigation solution.

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Abstract

The application belongs to the technical field of augmented reality, and discloses an AR precise navigation method and system for mountainous area construction safety, which comprises the following steps: constructing a three-dimensional environment feature set and identifying visual feature points, registering the visual feature points with a pre-stored GIS map, and generating a visual anchor point library; collecting real-time video streams, identifying real-time anchor points matched with the visual anchor point library, calculating the actual elevation values of each real-time anchor point, and generating a dynamic elevation correction parameter set; combining satellite positioning with visual positioning based on the real-time anchor points to obtain the position of rescue personnel, and dynamically planning a local safety path in combination with the dynamic elevation correction parameter set; performing perspective transformation on the local safety path, and rendering virtual navigation marks, dangerous area boundaries and safety prompt information on an AR display device; and the application can significantly improve the perception ability and decision-making efficiency of rescue personnel in complex mountainous terrain, and effectively reduce the risk of secondary accidents in the emergency rescue process.
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