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Eye-bot Aerial Solutions Creates Highly Accurate 3D Vertical Monopole Models

By: Bentley Systems

Eye-bot Aerial Solutions Creates Highly Accurate 3D Vertical Monopole Models

ContextCapture Safely Collects More Data Faster to Build Precise Reality Meshes


Improving Cell Antenna Fidelity 

In 2017, Eye-bot Aerial Solutions, a drone service company, completed a 3D reality model of cell tower antennas in Springdale, Pennsylvania. The project team at Eye-bot initiated the Springdale Monopole project to improve model fidelity, positional accuracy, and photo-realism by comprehensively modeling vertical monopole structures that feature transparent, complex cross-bracing. In the long term, Eye-bot strives to use the enhanced models to help create standardized 3D modeling workflows.

The organization specializes in using unmanned aerial vehicle (UAV) photogrammetry to generate 3D models of cell towers. Based in Pittsburgh, Pennsylvania, Eye-bot has worked within several industries, including industrial manufacturing, oil and gas, telecommunication, infrastructure, construction, insurance, and power and utilities. A Federal Aviation Administration-certified company, Eye-bot can inspect, monitor, aerial survey, and 3D model a variety of locations.

Difficulty Modeling Towers
 
The main challenge of the Springdale Monopole project was the characteristics of the cell tower antennas. Vertical monopole antenna towers are difficult to model solely with UAV photogrammetry, and using UAV photogrammetry is even harder when the tower contains complex cross-bracing and is see through. These features are common in self-supporting, guyed towers, as was the case on this project. Because of these conditions, the team realized that it needed to incorporate LiDAR scanning as part of the data capture process. A software application that could accommodate both survey methods was necessary. Eye-bot combined UAV photogrammetry with LiDAR scans to easily create 3D models with Bentley’s ContextCapture.

"ContextCapture is the only software we’ve found that can use photogrammetry and LiDAR scans together, giving it a unique advantage in this application,” said Jake Lydick, founder, and CEO of Eye-bot.


3D reality mesh generated from UAV photogrammetry & LiDAR scan

The application also helped the project team fully utilize all its equipment. Previously, Eye-bot had difficulty processing images greater than 40 megapixels. ContextCapture processed all high-resolution images without any issues. This capability allowed the project team to experiment with new data collection procedures, ultimately yielding a better model. 
 
Sharing Modeling Information, Improving Safety and Reliability

Besides the technical benefits, ContextCapture also enabled Eye-bot to share project information with prospective clients. Eye-bot made the collected data available in a variety of formats. The project team also had a 3D mesh and 2D orthomosaic available through a hosted web portal, providing global access to the information. Additionally, clients or prospective clients can download and view the mesh and point cloud in the CAD program of their choice if they wanted to evaluate the models more thoroughly. ContextCapture’s interoperability makes this possible.

ContextCapture enabled Eye-bot to take and share precise measurements without visiting the site, improving safety for the project team. By using UAVs to capture the data and then inputting them into the reality modeling application, Eye-bot eliminated the danger of workers falling from the tower, which can occur using traditional climbing methods.In addition to the safety of the personnel, the 3D reality models allowed the project team to analyze the safety of the tower itself, checking for structural deformities and other issues. Lastly, because of the ability to easily share these detailed models and information with all parties, Eye-bot reduced travel, reducing its carbon footprint. These models will allow for better-informed decisions, keeping everyone safer.

Updating Model Information

Eye-bot created an efficient and repeatable means of inspecting vertical monopoles, collecting more data with better accuracy in a faster and safer manner than traditional methods. The team can periodically update the models with ContextCapture to keep them current, providing accurate information about its clients’ assets.

ContextCapture increased Eye-bot’s efficiency from design and implementation to maintenance, expansion, and monitoring. By comparing 3D models, users can measure and monitor monopole alignment for any in the network. This practice helped Eye-bot and its clients create a single source of truth for their antenna data. Also, users can perform updates on a regular basis to ensure that the equipment is in good condition as well as monitor known issues before a physical correction is necessary. Once the user determines the required repair or upgrades, the workmen can reference the model when performing their tasks. The model will aid in project planning and material selection, increasing overall efficiency and quality of the project and reducing resource hours.

Saving Project Time, Improving Service
 
Eye-bot saved time and money using many different features in ContextCapture. The application’s master-engine program allowed users to distribute the workload over the network, reducing the amount of time required between data collection and project delivery. Also, ContextCapture’s interoperability with MicroStation® allowed the team to produce a model that can be directly imported into the other application. This capability eliminated the need to convert the model to CAD format and further helped reduce the time between collection and delivery. Because the team could generate a web view of the model, Eye-bot could host its models on its own server, lowering the overall cost of service.

Additionally, these models will help Eye-bot attain more dependable wireless networks because the detailed, precise, and easily shareable models will enable technicians to catch service problems sooner. In a world that heavily depends on wireless communication, this reliability is crucial. ContextCapture’s capabilities allow the cell towers to be inspected and monitored faster, safer, and more reliably.

Look closer watch the video ContextCapture for its total capabilities.

This case study originally appeared on the Bentley Systems Website

© 2018 Bentley Systems, Incorporated. Bentley, the Bentley logo, MicroStation and ContextCapture are either registered or unregistered trademarks or service marks of Bentley Systems, Incorporated or one of its direct or indirect wholly owned subsidiaries. Other brands and product names are trademarks of their respective owners. 19522 07/18
  Project Summary

 Organization
 Eye-bot Aerial  Solutions

 Solution
 Reality Modeling


 Location
 Springdale,  Pennsylvania, United  States


 Project Objectives

 * Improve model 
    fidelity while 
    achieving better 
    positional accuracy
    and more photo-
    realism.
 * Create a     
    standardized 
    workflow to 
    generate reality 
    meshes of antenna 
    towers.

 Products Used
 ContextCapture



 Fast Facts

  • ContextCapture combined UAV photogrammetry with LiDAR scans to easily create 3D models of the vertical structures.

  • The transparent, complex cross-bracing monopoles are extremely difficult to model based solely on UAV photogrammetry.

 ROI
  • ContextCapture increased Eye-bot’s efficiency from design and implementation to maintenance, expansion, and monitoring.

  • ContextCapture eliminated model conversion to CAD, reducing the time between collection and delivery.

  • The 3D reality model will aid in project planning and material selection, increasing overall efficiency and reducing resource hours.
 Quote

 “We delivered a vast
 & complete verified
 accurate, and up-to-
 date record of the
 current state and
 position of the 

 client’s tangible 
 assets,  contained in
 an easily consumable
 source.”
 – Jake Lydick, Founder
 & CEO, Eye-bot Aerial
 Solutions


















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