Real algorithm, real source
The registration is performed by Elastix — the same Insight Toolkit component used in production medical imaging — compiled to WebAssembly via the ITK-Wasm project. No re-implementation, no toy.
Non-rigid
medical-image registration
in your browser.
Two images go in. A dense, smooth deformation field comes out — the kind a clinic uses to align "before" and "after" exams pixel-by-pixel.
Everything runs client-side. No upload. No backend. No analytics. After the WebAssembly finishes downloading, the network tab stays empty.
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Nothing leaves the device
Photos and DICOMs are loaded with the browser's own decoder, processed in a Web Worker, and rendered back to a canvas. There is no upload endpoint to leak to. GDPR-compatible by construction.
The deformation is the demo
A registered image alone is uninteresting — it just looks like the target. We render the underlying displacement field as arrows on a sparse grid plus a magnitude colormap, so you can see what the algorithm did.