[1/5] How can we improve pathologist efficiency in screening of normal colon biopsies? Take a look at our new #preprint that tackles this issue using #interpretable #AI 🔬 🚀 @PathLAKE_CoE

medrxiv.org/content/10.110…
@PathLAKE_CoE @jnkath @AI4Pathology @NormanZerbe @anantm @mitkoveta @olkazuraw @GuillaumeJaume @pushpak_pati @jana_lipkova @nadeem_lab [2/5] Our approach, named #IGUANA, uses #pathologist-derived #interpretable features within a geometric learning framework to categorise biopsies as normal or abnormal (containing both non-neoplastic and neoplastic conditions).
[3/5] IGUANA achieves 0.98 AUC-ROC on an internal cohort and 0.97 AUC-ROC on three external cohorts. Our analysis shows that at a high sensitivity threshold of 99%, the proposed model can, on average, reduce the number of normal slides to be reviewed by a pathologist by 55%.
[4/5] A key advantage of #IGUANA 🦎 is its ability to provide an #explainable output, highlighting potential abnormalities in a #WSI as a heatmap overlay, in addition to numerical values associating the model prediction with various histological features.
[5/5] Check out our interactive demo (not optimised for smartphone) online at iguana.dcs.warwick.ac.uk 💻

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More from @simongraham73

Apr 9, 2020
[1/6] We are pleased to announce our paper ‘Dense Steerable Filter CNNs for Exploiting Rotational Symmetry in
Histology Image Analysis’

paper: arxiv.org/abs/2004.03037
code: github.com/simongraham/ds…

@nmrajpoot @TIAwarwick
[2/6] Our model is rotation-equivariant and therefore features transform as expected with rotation of the input.
This is especially important for histology image analysis, where images can appear at any orientation.
[3/6] To enable rotation-equivariance our model uses @TacoCohen's group-convolution with steerable filters, as first explored by @maurice_weiler, to enable precise filter rotation. We then use the dense connectivity between layers to improve performance.
Read 6 tweets

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