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CapsCovNet: A Modified Capsule Network to Diagnose COVID-19 From Multimodal Medical Imaging.

Authors:
A F M Saif Tamjid Imtiaz Shahriar Rifat Celia Shahnaz Wei-Ping Zhu M Omair Ahmad

IEEE Trans Artif Intell 2021 Dec 16;2(6):608-617. Epub 2021 Aug 16.

Department of Electrical and Computer EngineeringConcordia University Montreal QC H3G 2W1 Canada.

Since the end of 2019, novel coronavirus disease (COVID-19) has brought about a plethora of unforeseen changes to the world as we know it. Despite our ceaseless fight against it, COVID-19 has claimed millions of lives, and the death toll exacerbated due to its extremely contagious and fast-spreading nature. To control the spread of this highly contagious disease, a rapid and accurate diagnosis can play a very crucial part. Motivated by this context, a parallelly concatenated convolutional block-based capsule network is proposed in this article as an efficient tool to diagnose the COVID-19 patients from multimodal medical images. Concatenation of deep convolutional blocks of different filter sizes allows us to integrate discriminative spatial features by simultaneously changing the receptive field and enhances the scalability of the model. Moreover, concatenation of capsule layers strengthens the model to learn more complex representation by presenting the information in a fine to coarser manner. The proposed model is evaluated on three benchmark datasets, in which two of them are chest radiograph datasets and the rest is an ultrasound imaging dataset. The architecture that we have proposed through extensive analysis and reasoning achieved outstanding performance in COVID-19 detection task, which signifies the potentiality of the proposed model.

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http://dx.doi.org/10.1109/TAI.2021.3104791DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8851432PMC
December 2021

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