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Tianjing Feng

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Preprint Aug 2026

CrossProjection: Geometric Grounding Beyond Viewpoint Change in Architectural Drawings

CrossProjection is introduced, an anchor-grounded diagnostic of whether vision-language models preserve component identity and externalize geometry across heterogeneous architectural views, and categorical correctness should not be treated as evidence of candidate-free spatial reliability for drawing-guided CAD/BIM sys...

Kaho Li, Peng-Yu Zeng, Yu-Qin Dai et al. · 0 citations

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