CheXGenBench: A Unified Benchmark For Fidelity, Privacy and Utility of Synthetic Chest Radiographs
Raman Dutt, Pedro Sanchez, Yongchen Yao, Steven McDonagh, Sotirios A. Tsaftaris, Timothy Hospedales
2025-05-19
Summary
This paper talks about CheXGenBench, which is a new way to test how good computer-generated chest X-ray images are, by checking how real they look, how well they protect patient privacy, and how useful they are for doctors.
What's the problem?
The problem is that as computers get better at creating fake medical images, like chest X-rays, it's hard to know if these images are realistic enough for doctors to use, if they accidentally reveal private patient information, or if they're actually helpful for medical work.
What's the solution?
To solve this, the researchers designed CheXGenBench, a system that uses clear rules and measurements to judge the quality, privacy, and usefulness of these synthetic X-ray images. This makes it easier to compare different computer models and see which ones are best.
Why it matters?
This matters because using high-quality, private, and useful synthetic X-ray images can help train doctors and improve medical research without risking patient privacy, but only if we have a reliable way to check that these images are truly safe and helpful.
Abstract
CheXGenBench is a comprehensive evaluation framework for synthetic chest radiographs that assesses fidelity, privacy, and clinical utility of text-to-image generative models using standardized metrics and a unified protocol.