Blockchain-Federated-Learning and Deep Learning Models for COVID-19 detection using CT Imaging

• URL: http://arxiv.org/abs/2007.06537v2
• Date: Tue, 8 Dec 2020 07:52:02 GMT
• Title: Blockchain-Federated-Learning and Deep Learning Models for COVID-19 detection using CT Imaging
• Authors: Rajesh Kumar, Abdullah Aman Khan, Sinmin Zhang, Jay Kumar, Ting Yang, Noorbakhash Amiri Golalirz, Zakria, Ikram Ali, Sidra Shafiq and WenYong Wang
• Abstract summary: Primary problem in diagnosing COVID-19 patients is the shortage and reliability of testing kits. Second real-world problem is to share the data among the hospitals globally. Thirdly, we design a method that can collaboratively train a global model using blockchain technology.
• Score: 8.280858576611587
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: With the increase of COVID-19 cases worldwide, an effective way is required to diagnose COVID-19 patients. The primary problem in diagnosing COVID-19 patients is the shortage and reliability of testing kits, due to the quick spread of the virus, medical practitioners are facing difficulty identifying the positive cases. The second real-world problem is to share the data among the hospitals globally while keeping in view the privacy concerns of the organizations. Building a collaborative model and preserving privacy are major concerns for training a global deep learning model. This paper proposes a framework that collects a small amount of data from different sources (various hospitals) and trains a global deep learning model using blockchain based federated learning. Blockchain technology authenticates the data and federated learning trains the model globally while preserving the privacy of the organization. First, we propose a data normalization technique that deals with the heterogeneity of data as the data is gathered from different hospitals having different kinds of CT scanners. Secondly, we use Capsule Network-based segmentation and classification to detect COVID-19 patients. Thirdly, we design a method that can collaboratively train a global model using blockchain technology with federated learning while preserving privacy. Additionally, we collected real-life COVID-19 patients data, which is, open to the research community. The proposed framework can utilize up-to-date data which improves the recognition of computed tomography (CT) images. Finally, our results demonstrate a better performance to detect COVID-19 patients.

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