Research Article
A COVID-19 Auxiliary Diagnosis Based on Federated Learning and Blockchain
Table 1
Comparison of healthcare systems programs based on federated learning.
| Ref. | FL type | Technology | Clients | Aggregator | Dataset type | Application |
| [19] | HFL | / | Hospital | Data center | Acute neurological disorders | Object detection | [21] | HFL | / | Medical sites | Federated sever | Breast density classification | Image classification | [22] | VFL | / | Hospital | Federated sever | COVID-19 | Object detection | [23] | HFL | / | Hospital | Federated sever | Pneumonia | Image classification | [24] | HFL | DP | MRI machines | Federated sever | Brain tumour | Image segmentation | [25] | HFL | DP | Hospital | Data center | Diabetic retinopathy | Image classification | [26] | HFL | DP | Medical sites | Federated sever | Multitype lesion map | Object detection | [27] | VFL | GAN | Hospital | Cloud sever | Prostate cancer | Image classification | [31] | VFL/HFL | Blockchain | Smart service | Blockchain | / | / | [33] | HFL | Blockchain | Hospital | Blockchain | COVID-19 | Image segmentation/class | [34] | HFL | Blockchain | Medical sites | Blockchain | COVID-19 | Image segmentation | [35] | HFL | Blockchain | Hospital | Blockchain | MNIST | Image classification |
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