This is where I write about the ideas behind my research in plain language — plant phenotyping, 3D reconstruction, and the robots that collect the data. Papers are written for reviewers; these posts are written for anyone curious about how you measure a growing plant without ever touching it. Expect short explainers on the core concepts, notes on what did not make it into the papers, and the occasional account of something that went wrong in the greenhouse.
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Two hundred tourists photograph a statue, and from the photographs alone you can work out where each of them stood. That is Structure-from-Motion, and COLMAP is the program that does it — explained from scratch, then in practice.
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The usual way to turn a point cloud into a model is to stretch a surface over it. Plants punish that assumption — so here is the alternative.
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Walk around a plant with a camera and you can rebuild it in three dimensions. Here is how that actually works — and what it quietly fails to tell you.
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The difference between a plant’s genes and how it actually grows — and why measuring the second one is surprisingly hard.
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