Masks and Manuscripts: Advancing Medical Pre-training with End-to-End Masking and Narrative Structuring

Fuente: arXiv
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Main Authors: Gowda, Shreyank N, Clifton, David A.
Format: Preprint
Published: 2024
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author Gowda, Shreyank N
Clifton, David A.
author_facet Gowda, Shreyank N
Clifton, David A.
contents Contemporary medical contrastive learning faces challenges from inconsistent semantics and sample pair morphology, leading to dispersed and converging semantic shifts. The variability in text reports, due to multiple authors, complicates semantic consistency. To tackle these issues, we propose a two-step approach. Initially, text reports are converted into a standardized triplet format, laying the groundwork for our novel concept of ``observations'' and ``verdicts''. This approach refines the {Entity, Position, Exist} triplet into binary questions, guiding towards a clear ``verdict''. We also innovate in visual pre-training with a Meijering-based masking, focusing on features representative of medical images' local context. By integrating this with our text conversion method, our model advances cross-modal representation in a multimodal contrastive learning framework, setting new benchmarks in medical image analysis.
format Preprint
id arxiv_https___arxiv_org_abs_2407_16264
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Masks and Manuscripts: Advancing Medical Pre-training with End-to-End Masking and Narrative Structuring
Gowda, Shreyank N
Clifton, David A.
Computer Vision and Pattern Recognition
Contemporary medical contrastive learning faces challenges from inconsistent semantics and sample pair morphology, leading to dispersed and converging semantic shifts. The variability in text reports, due to multiple authors, complicates semantic consistency. To tackle these issues, we propose a two-step approach. Initially, text reports are converted into a standardized triplet format, laying the groundwork for our novel concept of ``observations'' and ``verdicts''. This approach refines the {Entity, Position, Exist} triplet into binary questions, guiding towards a clear ``verdict''. We also innovate in visual pre-training with a Meijering-based masking, focusing on features representative of medical images' local context. By integrating this with our text conversion method, our model advances cross-modal representation in a multimodal contrastive learning framework, setting new benchmarks in medical image analysis.
title Masks and Manuscripts: Advancing Medical Pre-training with End-to-End Masking and Narrative Structuring
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2407.16264