1. Network status: The device is not connected to the network, or the signal is too poor to upload the input data to the terminal and execute the next instruction.
2. Lighting conditions: In face recognition, the environment is dark, and the equipment cannot clearly distinguish faces.
3. Software version: The system pushes the latest software version, but the equipment is not updated, which affects the data transmission to the terminal.
Extended data:
Application prospect of face recognition
1, enterprise, residential safety and management. Such as face recognition access control attendance system, face recognition security door, etc.
2. Electronic passport and ID card. China's e-passport program is planned and implemented by the Ministry of Public Security.
3. Public safety, justice and criminal investigation. For example, face recognition systems and networks are used to search for fugitives nationwide.
4. Self-service.
5. Information security.
Baidu Encyclopedia-Face Recognition