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. 2020 Aug 3;8(12):9603–9610. doi: 10.1109/JIOT.2020.3013710

Fig. 4.

Fig. 4.

(Top two rows with red circles) Six COVID-19 DL-based applications have been tested within the scope of this research with the normal recognition rate shown within the red circles. (Bottom two rows with blue circles) After a DL-based adversarial perturbation attack, the recognition ability of DL algorithms is compromised, though human experts can still recognize the actual class.