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Yun-Chung Lai

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Open access Aug 2026

DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery

Abstract. Building footprint extraction from high-resolution satellite imagery requires accurate building boundary raster masks and an effective shape reconstruction method to produce natural building footprints. Unlike vertex-centric graph approaches or mask contour tracing, we propose DINO-EdgeQuery, an edge-first pa...

Yuji Kobayashi, Yun-Chung Lai · 0 citations
Preprint Aug 2026

Event ActivityNet: A Large-Scale Simulated-Event Benchmark for Untrimmed Action Understanding

Event ActivityNet is introduced, a large-scale simulated-event benchmark derived from human-annotated, untrimmed ActivityNet videos that provides a scalable benchmark for long-horizon event modeling, although native-camera evaluation remains essential for deployment-oriented conclusions.

Cheng-Yao Hong, Ting-Wei Lin, Yun-Chung Lai et al. · 0 citations

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