https://siqi-liu.com/en/categories/digitaltwin/Recent content in DigitalTwin on Yosgi BlogHugoenFri, 12 Jun 2026 04:28:41 +0000https://siqi-liu.com/en/post/from-extracting-drawing-text-to-placing-2d-annotations-in-a-3d-scene/Thu, 11 Jun 2026 00:00:00 +0000https://siqi-liu.com/en/post/from-extracting-drawing-text-to-placing-2d-annotations-in-a-3d-scene/A practical engineering recap of how a simple drawing text extraction task turned into a 2D-to-3D mapping workflow for digital twins, combining SVG parsing, vision models, geometry rules, registration math, and agent tool design.