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Multiple Instance Captioning: Learning Representations from Histopathology Textbooks and Articles

2021-03-08 22:18:36
Jevgenij Gamper, Nasir Rajpoot
arXiv_AI
       
Abstract

We present ARCH, a computational pathology (CP) multiple instance captioning dataset to facilitate dense supervision of CP tasks. Existing CP datasets focus on narrow tasks; ARCH on the other hand contains dense diagnostic and morphological descriptions for a range of stains, tissue types and pathologies. Using intrinsic dimensionality estimation, we show that ARCH is the only CP dataset to (ARCH-)rival its computer vision analog MS-COCO Captions. We conjecture that an encoder pre-trained on dense image captions learns transferable representations for most CP tasks. We support the conjecture with evidence that ARCH representation transfers to a variety of pathology sub-tasks better than ImageNet features or representations obtained via self-supervised or multi-task learning on pathology images alone. We release our best model and invite other researchers to test it on their CP tasks.

Abstract (translated)

URL

https://arxiv.org/abs/2103.05121

PDF

https://arxiv.org/pdf/2103.05121.pdf

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