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arXiv · 2209.13171

RepsNet: Combining Vision with Language for Automated Medical Reports

Ajay Kumar Tanwani·Joelle Barral·Daniel Freedman
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Abstract

Writing reports by analyzing medical images is error-prone for inexperienced practitioners and time consuming for experienced ones. In this work, we present RepsNet that adapts pre-trained vision and language models to interpret medical images and generate automated reports in natural language. RepsNet consists of an encoder-decoder model: the encoder aligns the images with natural language descriptions via contrastive learning, while the decoder predicts answers by conditioning on encoded images and prior context of descriptions retrieved by nearest neighbor search. We formulate the problem in a visual question answering setting to handle both categorical and descriptive natural language answers. We perform experiments on two challenging tasks of medical visual question answering (VQA-Rad) and report generation (IU-Xray) on radiology image datasets. Results show that RepsNet outperforms state-of-the-art methods with 81.08 % classification accuracy on VQA-Rad 2018 and 0.58 BLEU-1 score on IU-Xray. Supplementary details are available at https://sites.google.com/view/repsnet

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Ajay Kumar Tanwani, Joelle Barral, Daniel Freedman. 2022-09-27. RepsNet: Combining Vision with Language for Automated Medical Reports. https://doi.org/10.1007/978-3-031-16443-9_68

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