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Heatmap - intracranial hemorrhage

Case contributed by Dimitrios Toumpanakis
Diagnosis not applicable

Acute intraparenchymal bleeding in the left frontal lobe with intraventricular extension.

Case Discussion

Axial NCCT image of a brain with acute intracranial bleeding with a superimposed saliency map ("heatmap") showing the probability of each pixel representing blood.

To generate the saliency map 3D Global Average Pooling layer weights and gradient-based visualizations were used on a 3D convolutional neural network. Original results from Dimitrios Toumpanakis' personal research archive.

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