Urban three-dimensional terrain auxiliary surveying and mapping device

By using multi-source data synchronous acquisition and precise registration technology, combined with improved 3D modeling algorithms and stable support structures, the problem of insufficient accuracy and efficiency of existing urban 3D topographic mapping devices has been solved, realizing high-precision and rapid urban 3D topographic mapping, which is suitable for urban planning and municipal construction scenarios.

CN122408718APending Publication Date: 2026-07-17RIZHAO POLYTECHNIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
RIZHAO POLYTECHNIC
Filing Date
2026-04-23
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing urban 3D topographic mapping technologies suffer from several problems, including the lack of texture information from single devices, the significant impact of lighting on traditional photogrammetry, poor synchronization of multi-source data fusion, and poor fixation of support structures. These issues result in insufficient mapping accuracy and efficiency.

Method used

Employing multi-source data synchronous acquisition and precise registration technology, combined with an improved 3D modeling algorithm, and utilizing the support mechanism and the surveying instrument's built-in surveying system, including support base, support ring, adjusting rod, support rod and fixing components, it achieves stable support and synchronous acquisition, noise reduction, registration and 3D modeling of multi-source data, and supports remote control and visualization output.

Benefits of technology

It achieves high-precision mapping of complex urban terrain, with point cloud registration error not exceeding 3cm, shortens the mapping cycle, improves mapping accuracy and efficiency, adapts to special scenarios such as densely built-up areas, supports multi-format visualization output and data interoperability, and is suitable for different operating environments.

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Abstract

The application is suitable for the technical field of surveying and mapping, and provides a kind of urban three-dimensional terrain auxiliary surveying and mapping device, including support mechanism and surveying and mapping instrument on support mechanism, surveying and mapping system is built-in in surveying and mapping instrument, support mechanism includes support seat and support ring rotationally installed on support seat, support ring is used to support and fix surveying and mapping instrument, the bottom of support seat is also provided with multiple groups of support components, and the bottom of support seat is provided with fixing assembly for fixing support component in any working state, the application improves the surveying and mapping precision and efficiency of complex urban terrain, adapts to special scenes such as building-intensive area, low-lying area, etc., can provide accurate data support for urban planning and municipal construction, and has wide engineering application value.
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