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| Biometric identification method | Advantages during pandemic | Drawbacks during pandemic |
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| Fingerprint recognition | More accurate compared to other methods; easier for information gathering | The touching collection machine allows the virus to pass along crowds; to achieve high accuracy, facilities are in need, which adds up the complexity |
| Palm recognition | Provide a contactless way to identify individuals | Variation of the palm line could easily cause face forgery of GAN generated patterns |
| Face recognition | Nontouching methods that are convenient for information gathering | Wearing a mask could cause a recognition error |
| Sclera recognition | Nontouching method identifies an individual by only a picture of the sclera | Need high-resolution cameras, which mean higher facility expense; pictures of different angles are needed for recording, which means time-consuming |
| Stride recognition | Only need the embedded sensor in the phone to identify gait | Relatively low accuracy rate |
| Voice recognition | The noncontact method which allows the machine to identify people without physically in touch | The environmental condition would largely affect the accuracy of the collection machine |
| Periocular recognition | Similar to face recognition, a smartphone with a camera embedded could identify individuals | To successfully perform recognition, a higher resolution of the camera and a closer distance might be required |
| Handwritten signature | Provide another way to solve the identification problem, and it does not need the actual bio-feature of individuals to process, which may have less discomfit | Needs extra handwritten input devices, and the collection of the handwritten script would not be as convenient as other biometric methods |
| Wrist vein recognition | Provide real-time recognition for noncontact human wrist recognition | Relatively low recognition accuracy |
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