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Author

Impyeong Lee

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Open access Aug 2026

Road Change Detection for Map Updating Using Geometric Boundary Deviation Between Digital Maps and Aerial Segmentation Results

Experimental results demonstrate that the proposed automated road change detection method effectively detects both structural changes and subtle geometric variations, including road expansions and boundary shifts, providing a practical and efficient framework for digital map updating workflows.

Juhee Lee, Chong Lee, Inhyeok Lee et al. · 0 citations
Open access Jul 2026

Target Vessel Identification in Aerial Search Imagery via MLLM-Based Attribute Extraction and Geolocation Fusion

Results show that coarse semantic cues, when combined with approximate geolocation, provide a resilient basis for identifying target vessels under high uncertainty, enabling faster and more reliable prioritization during wide-area maritime search operations.

Jeonghyo Oh, Y. Oh, Impyeong Lee · 0 citations
Open access Aug 2026

Automated Geometric Correction of OpenStreetMap Buildings via Context- and Boundary-Aware Segmentation

This study proposes a two-stage framework that integrates SegFormer, which excels in global context recognition, with SAM 2, which is capable of precise boundary segmentation, and offers scalability applicable to any region worldwide without additional label construction, provided that high-resolution true orthoimagery...

Inhyeok Lee, Chong Lee, J. Cheon et al. · 0 citations
Open access Jul 2026

Rapid Georeferencing of Sensor-Limited Helicopter Imagery for Wildfire Response

Abstract. In the initial response to wildfires, securing rapid and accurate geographic information is essential. However, helicopter imagery acquired on-site often lacks precise sensor metadata, such as camera pose and internal parameters, making the application of georeferencing difficult. In particular, obliquely cap...

Seongyun Kim, Jeonghyo Oh, J. Cheon et al. · 0 citations

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