What question did this study set out to answer?

This study aims to assess the efficiency and accuracy of different photogrammetry strategies for 3D urban modelling.

June 13, 2026Geocarto InternationalOpen Access

Integrating oblique and close-range photogrammetry for 3D modelling in built-up areas: the impact of image collection strategies on efficiency and accuracy

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This study aims to assess the efficiency and accuracy of different photogrammetry strategies for 3D urban modelling.
Evaluated seven oblique photogrammetry strategies for coarse modelling.
Tested twelve close-range combinations for refinement.
Analyzed the impact of photogrammetric factors on modelling effectiveness.
Enhanced Multi-view oblique imaging maximized efficiency, reducing acquisition time by 35.3% and processing time by 65.9%, with a 13.8% accuracy improvement.
Increasing the camera angle to −45° significantly lowers RMSE for refined modelling with limited GCPs.
Facade modelling requires a higher GCP density than terrain modelling for optimal accuracy.

Authors

HWHao WangNanjing University of Information Science and Technology JLJ F LiMacau University of Science and Technology ZWZixin WangChinese University of Hong Kong

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Implication

Randomized trial evaluates image collection strategies impacting efficiency and accuracy in urban modelling, suggesting improved techniques for 3D reconstruction.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf300faef96ed7f055831 https://doi.org/10.1080/10106049.2026.2684802

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Implication

Randomized trial evaluates image collection strategies impacting efficiency and accuracy in urban modelling, suggesting improved techniques for 3D reconstruction.

Integrating oblique and close-range photogrammetry for 3D modelling in built-up areas: the impact of image collection strategies on efficiency and accuracy

Key Points

Discussion

Implication

Cite This Study

Integrating oblique and close-range photogrammetry for 3D modelling in built-up areas: the impact of image collection strategies on efficiency and accuracy

Key Points

Discussion

Implication

Cite This Study

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