Reality capture has transformed how we approach Architecture, Engineering, and Construction (AEC). Over the years, two key technologies have led this charge: LiDAR and photogrammetry. And both continue evolving at a rapid pace. Let’s break down their journey and the trends reshaping their use today.
LiDAR (Light Detection and Ranging) started as a bulky, expensive method used mostly by specialists in geospatial fields. Early LiDAR units required significant effort, specialized training, and costly data processing. Photogrammetry, which creates 3D models from photos, had similar hurdles—initially slow, cumbersome, and not entirely accurate.
But tech advances changed the game. Today’s LiDAR systems are smaller, faster, and dramatically cheaper. Mobile LiDAR, handheld scanners, and SLAM (Simultaneous Localization and Mapping) LiDAR can capture precise data on the move, even indoors and in complex environments. Drone-based LiDAR is common, letting teams cover large sites quickly and safely. Companies like Emesent have pushed innovation further—I’ve had the opportunity to work with Dr. Stefan Hrabar on an early prototype of drone-mounted SLAM LiDAR for aerial 3D mapping.
LiDAR is even featured in recent versions of Apple’s Pro iPhone models. While these built-in LiDAR sensors aren’t as precise as professional-grade units, they’re suitable for estimating measurements and creating low-resolution models quickly and affordably.
I’ve personally scanned numerous diverse projects using LiDAR technology, including sustainable bamboo architecture in Bali, large hydroelectric dams, Delicate Arch with the FARO team, reverse engineering auto parts and frames, power plants, bridges, and multiple large building and construction sites. Pete Kelsey and I also collaborated with the National Park Service and US Navy on mapping the USS Arizona at Pearl Harbor, utilizing LiDAR, SONAR, and photogrammetry to create comprehensive models both above and below the waterline.
Photogrammetry benefited from camera advancements and software that rapidly stitches together thousands of images into highly accurate 3D models. It’s now a go-to option for quick site capture, progress models, and detailed inspections.
Trends Shaping LiDAR and Photogrammetry
Here are the main shifts driving adoption and innovation:
1. Integration with BIM
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Reality capture data now seamlessly integrates into Building Information Modeling (BIM) workflows. Accurate site models inform early design, reduce rework, and boost productivity.
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Expect deeper BIM integration, turning captured reality into actionable insights even faster.
2. AI and Automation
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AI streamlines data processing, recognizing patterns, classifying elements, and automatically extracting critical features.
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Automation speeds workflows, freeing teams from tedious tasks and focusing their efforts on high-value activities.
3. Real-time Data and Analysis
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Real-time capture and instant visualization of sites are becoming standard. Immediate feedback lets teams make quicker, smarter decisions on-site.
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Tools now allow continuous updates, giving stakeholders the most current view of a project’s status.
4. Accessibility and Affordability
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Once limited to specialists, reality capture tools are now user-friendly enough for almost anyone on a project team.
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Lower costs and simpler workflows have democratized access, driving wider adoption across projects of all sizes.
5. Mixed Reality and Visualization
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Reality capture increasingly merges with virtual and augmented reality (VR/AR). Project stakeholders can virtually visit construction sites, interact with accurate models, and visualize project outcomes clearly.
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Expect more robust VR and AR integrations, enhancing collaboration and project clarity.
6. Digital Twins and Infrastructure Management
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Reality capture is vital for creating digital twins of existing structures, enabling ongoing management, maintenance, and modifications.
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LiDAR and photogrammetry data help recreate accurate drawings and detailed models for older infrastructure that lacks current documentation, significantly improving maintenance planning and reducing risks.
7. Quality Assurance (QA) Standard
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Reality capture is becoming a standard method for verifying construction fit and compliance with design requirements.
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Accurate data comparison ensures projects adhere to plans, reducing costly rework and enhancing overall project quality. For example, it allows teams to precisely measure quantities such as the amount of fill material removed or currently in piles.
8. Historical Preservation and Insurance Claims
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Reality capture supports historical preservation by creating accurate digital records of culturally significant structures and sites, helping preserve them digitally for future generations.
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It is also increasingly used in the insurance industry to document property conditions before damage occurs, enabling precise assessments during claim processes.
Looking Ahead
As reality capture keeps advancing, it’s reshaping what’s possible in AEC. LiDAR and photogrammetry aren’t just tools—they’re essential parts of how teams visualize, plan, and build. Keeping pace with these trends means staying ahead, ensuring your projects benefit from better accuracy, collaboration, and efficiency.
