UAV Photogrammetry for Telecommunications Site 3D Modeling
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Solution Overview
Problem
The existing methods for creating 3D models of cell sites are inaccurate due to variations in location tracking and require physical access, which is dangerous and costly, especially with the need for frequent site surveys and maintenance at numerous cell towers across the United States.
Innovation Solution
A system and method using Unmanned Aerial Vehicles (UAVs) to capture data for creating a virtual 360-degree view of telecommunications sites, including photos and video, processed to generate accurate 3D models that can be modified to represent planned additions, allowing for remote planning, engineering, and installation without physical site access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical access to cell towers is used for site surveys and maintenance, then accurate inspection and maintenance can be performed, but safety risks and costs increase significantly
Solution Approach 1:
The patent creates a virtual copy of the cell site environment through photogrammetry, generating 3D models and 2D orthomosaics from UAV images. This virtual replica allows inspectors to examine the cell site remotely without physical access, maintaining inspection accuracy while eliminating safety risks associated with tower climbing.
Solution Approach 2:
The patent replaces the mechanical system of physical tower climbing with a UAV-based photogrammetry system. Instead of human workers physically accessing the tower, the system uses autonomous aerial vehicles to capture images and computationally generates the inspection data, substituting mechanical human labor with automated technology.
2Loss of information
If physical access to cell towers is required for site surveys, then complete site information can be obtained, but time and cost increase due to frequent travel and setup
Solution Approach 1:
The patent creates a comprehensive virtual copy of the cell site through photogrammetry, capturing all relevant spatial and visual information in a single remote operation. The generated 3D models and orthomosaics provide complete site data without requiring repeated physical visits, significantly reducing survey time while maintaining information completeness.
Solution Approach 2:
The patent performs preliminary data capture through UAV imaging before any physical inspection or maintenance work is needed. By pre-acquiring all necessary visual data and generating complete 3D models in advance, the system eliminates the need for repeated site visits during planning and execution phases.
3Measurement precision
If conventional 3D modeling methods are used with fixed cameras, then basic site mapping is possible, but location tracking variations reduce modeling accuracy
Solution Approach 1:
The patent employs dynamic image processing that automatically tracks and corrects for camera position and orientation changes during UAV flight. The photogrammetry system uses feature point matching and bundle adjustment algorithms to compensate for location tracking variations, maintaining high 3D model accuracy despite dynamic movement conditions.
Solution Approach 2:
The patent implements feedback mechanisms through iterative bundle adjustment and automated orientation correction. The system continuously refines the 3D model by comparing captured images with the generated model, adjusting camera parameters and point cloud positions to eliminate tracking errors and maximize measurement precision.
Data Source
AI summary
Systems and method for creating, modifying, and utilizing a virtual 360-degree view of a telecommunications site obtaining data capture from the telecommunications site, wherein the data capture comprises one or more of photos and video; processing the data capture to create a three-dimensional (3D) model of the telecommunications site in a first state, buildings, and constructions therein; importing the 3D model into modification software and adding one or more objects to the 3D model utilizing the modification software, wherein the one or more objects comprise one or more of geography, buildings, and constructions planned as possible additions to the telecommunications sites; creating a modified 3D model with the one or more objects and the 3D model in the first state such that the modified 3D model represents the telecommunications site in a second state; and utilizing the modified 3D model for one or more of planning, engineering, and installation.