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What are You Looking at? Modality Contribution in Multimodal Medical Deep Learning

Created by
  • Haebom

Author

Christian Gapp, Elias Tappeiner, Martin Welk, Karl Fritscher, Elke Ruth Gizewski, Rainer Schubert

Outline

This paper explores the information processing methods of deep neural networks that analyze high-dimensional, multimodal data. Specifically, to support the development and clinical application of multimodal models that integrate diverse medical data, we develop an occlusion-based modality contribution measurement method that is independent of model and performance. Using this method, we quantitatively measure the contribution of each modality to the model's task performance and apply it to three multimodal medical problems.

Takeaways, Limitations

Takeaways:
We present a method to quantitatively analyze how multimodal models process information from each modality.
Contributes to identifying the model's modality preference and dataset imbalance issues.
Provides useful insights for developing multimodal models and building datasets.
Helping to accelerate the clinical application of multimodal AI in healthcare.
Limitations:
The paper does not specify a specific Limitations. (However, further research may be needed to verify the model's generalization performance, applicability to various datasets, etc.)
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