Pneumonia X-ray CNN explorer

Precomputed predictions of two models on the 624 official test images of PneumoniaMNIST (seed 0 of each model). Move the threshold to see the sensitivity and specificity trade-off. Everything runs in your browser from a static JSON file.

Model

Probabilities Temperature-scaled (T fitted on validation only)

Decision threshold on P(pneumonia)

0.50

Gallery Show Grad-CAM overlay (evidence for pneumonia) Show

All 624 test images at this threshold

	Predicted normal	Predicted pneumonia
True normal
True pneumonia

ROC curve

The dot is the current threshold. Picking a threshold by looking at the test set is optimistic; in the study the threshold is chosen on validation data and the shift between validation and test is reported in the README.

Pneumonia X-ray CNN explorer

All 624 test images at this threshold

ROC curve

Test images