Classifiers can identify the origin of chest X-rays across NIH, CheXpert, MIMIC-CXR, and PadChest with F1 scores up to about 99%, and the bias appears driven mainly by pixel intensity and texture.
Jorge Cardoso and Wenqi Li et al
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Understanding Dataset Bias in Medical Imaging: A Case Study on Chest X-rays
Classifiers can identify the origin of chest X-rays across NIH, CheXpert, MIMIC-CXR, and PadChest with F1 scores up to about 99%, and the bias appears driven mainly by pixel intensity and texture.