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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Multimodal Multi-label Classification with Small Foundation Models

Martin Björkdahl, Liv January 2024 (has links)
The use of electronic health records (EHR) from various sources like text, images and time-series data to make predictions or diagnosis have been researchedpreviously. Many previous methods have used separate models either for sepa-rate modalities or for distinct tasks. Recently, models trained to make medicalpredictions using multimodal input have emerged, as a unified approach wouldbe beneficial for health practitioners. We present a single model to make medicalpredictions for several tasks, using diverse input from different modalities. Wedemonstrate the effectiveness of using an autoencoder method to project (EHR)data from three different modalities – images, text and time-series data – into thesmall language model Gemma-2B. 6 projector models are used together with the small language model to perform multi-label prediction for 12 different medicalprediction tasks. Results show that a jointly trained model using asymmetric loss,a loss function that dynamically emphasises positives that are poorly predicted,shows good performance and predicts evenly across tasks.

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