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Author

M. Sakamoto

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Open access Jul 2026

Automatic Reconstruction of High-Accuracy 3D Roof Models from Orthophotos and Digital Surface Models

In the experiments, 3D roof models manually digitized by stereoscopic measurement were used as the ground truth, and the automatically reconstructed 3D roof models were evaluated by comparison with this reference.

Yong-Heng Li, Masaya Shimasaki, M. Sakamoto et al. · 0 citations
Open access Jul 2026

A Lightweight CNN–Mamba Hybrid Architecture for Efficient Crack Segmentation

A lightweight CNN-Mamba hybrid architecture for crack segmentation as a deployment-oriented redesign of CT-CrackSeg is proposed, showing that the proposed model maintains competitive topology-aware segmentation performance while substantially improving computational efficiency.

Masaya Shimasaki, M. Sakamoto, Toshiaki Satoh · 0 citations
Open access Jul 2026

A Multi-Stage Deep Learning Framework for Shadow Detection in Aerial Orthophotos

A three-stage multi-resolution segmentation framework that progressively refines shadow predictions from low to high resolution and improves fuzzy Intersection over Union (IoU) by approximately 0.05, and is applicable to other large-scale segmentation tasks requiring extensive receptive fields.

Yohei Kobayashi, M. Sakamoto, Sho Nakamura et al. · 0 citations

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