3 results about "Heritage building" patented technology

The application relates to the technical field of cultural heritage building scanning detection, and discloses a high-precision 3D scanner system and method based on AI technology fusion. The system comprises a data acquisition module, an AI data preprocessing module, a structural feature analysis module, a self-adaptive laser detection module and an AI simulation modeling and detection result fusion module. The method obtains cultural heritage building point cloud data through laser scanning, extracts structural feature parameters and determines morphological tendency categories after AI multi-stage noise reduction and segmentation processing, adaptively adjusts the laser incidence direction and the scanning path, combines AI three-dimensional reconstruction and texture optimization to generate a high-precision simulation model, and simultaneously completes structural defect detection and classification. The application clearly defines the dynamic setting, calibration method and feature sub-region adaptive division strategy of key parameters, solves the problem of insufficient precision caused by environmental interference and complex structure in cultural heritage building scanning, significantly improves the scanning detection precision and efficiency, and provides technical support for cultural heritage protection.

This invention relates to the intersection of fire protection technology and drone application technology, and provides a pre-positioned drone firefighting method and system for protected cultural heritage buildings. By completing liquid pressurization and automatic docking and delivery to storage tanks within the drone base station, utilizing a visual inertial navigation system to achieve non-contact static hovering relative to the building structure, employing an infrared thermal imaging array for differentiated spraying of the core high-temperature zone and the peripheral smoldering zone, and enabling aerial relay and automatic liquid replenishment between the first and second drones, this invention solves the technical problems of drone drift and collision due to GPS signal loss within protected cultural heritage buildings, uncontrollable water damage from traditional firefighting methods, and the limited liquid capacity of a single drone preventing continuous operation. It offers advantages such as precise positioning without external infrastructure dependence, controllable water damage risk during firefighting, and uninterrupted firefighting operations.

This invention discloses a method for fusion of multi-source data from both the interior and exterior of a cultural relic building to create a 3D reconstruction and display system. This method falls under the field of digital cultural heritage preservation technology and includes the following steps: S1 Multi-source data collaborative acquisition: High-overlap, multi-view sequence images of the exterior of the cultural relic building are acquired using UAV oblique photogrammetry technology; laser point cloud and visual image data of the interior of the cultural relic building are simultaneously acquired using a handheld 3D laser scanner; S2 Multi-source data processing and model reconstruction: Based on the outdoor sequence images acquired in step S1, aerial triangulation, dense point cloud generation, triangulation construction, and texture mapping are performed using real-scene 3D modeling software to generate an outdoor real-scene 3D mesh model; Based on the indoor laser point cloud and visual image data acquired in step S1, a full-dimensional, high-precision digital presentation and integrated interactive display of the cultural relic building, from its overall exterior form to its detailed interior components, can be achieved.