What question did this study set out to answer?

This research aims to analyze the accuracy of building boundaries and elevations obtained from a hybrid aerial LiDAR system compared to traditional sensors.

May 17, 2026Journal of the Korean Society of Surveying Geodesy Photogrammetry and Cartography

A Study on the Accuracy of Building Boundary and Elevation Extracted from HyBrid Aerial LiDAR

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Authors

SYSe Hun Yoon JKJay Hyoun KwonUniversity of Seoul

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Implication

Randomized trial examines elevation precision in urban 3D mapping, suggesting improved accuracy.

Key Points

This research aims to analyze the accuracy of building boundaries and elevations obtained from a hybrid aerial LiDAR system compared to traditional sensors.
Compared building boundary and elevation data from a hybrid aerial LiDAR with traditional measurement values.
Analyzed data from 15 buildings categorized by height (above and below 80m).
Measured horizontal and vertical accuracy using root mean square error (RMSE) metrics.
Horizontal position RMSE was 0.153m, and vertical RMSE was 0.151m, indicating high accuracy.
Precision improvements: approximately 45.4% in horizontal and 66.6% in vertical for high-rise buildings compared to existing methods.
For low-rise buildings, improvements were approximately 61.1% horizontally and 64.6% vertically.

Cite This Study

Yoon et al. (2026) studied this question.

synapsesocial.com/papers/6a095bba7880e6d24efe1934 https://doi.org/10.7848/ksgpc.2026.44.2.175

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A Study on the Accuracy of Building Boundary and Elevation Extracted from HyBrid Aerial LiDAR

Discussion

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Implication

Key Points

Cite This Study

A Study on the Accuracy of Building Boundary and Elevation Extracted from HyBrid Aerial LiDAR

Discussion

Member takes

Implication

Key Points

Cite This Study

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