# MIT Group Trains a Universal X-Ray Segmenter on Physics-Simulated Radiographs

FleXray predicts 60 anatomical structures on real clinical X-rays after training on synthetic projections generated from existing 3D computed tomography segmentations.

- Published: 2026-09-25T13:31:21.671Z
- Canonical: https://polylog.news/ai/2026-09-25/mit-group-trains-a-universal-x-ray-segmenter-on-physics-simu
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [arXiv](https://arxiv.org/abs/2609.26756), [FleXray project page](https://flexray.csail.mit.edu/)

Researchers at the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL), Massachusetts General Hospital and Harvard Medical School published FleXray, a single model that segments 60 anatomical structures across the whole body…

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