Posted 12/28/2023, 10:18:39 AM
Study Finds AI Skin Cancer Classifiers Focus on Irrelevant Features, Calls for Improved Testing
- Leverages generative AI and physician expertise to audit medical image classifiers
- Finds classifiers rely on shortcuts like color and lighting instead of clinically relevant features
- Proposes counterfactual image generation to identify influential input features
- Tests approach on skin cancer classifiers using public datasets like ISIC and Fitzpatrick17k
- Calls for stronger transparency and testing requirements when approving AI systems for clinical use