There is a problem
Posted: Thu Feb 06, 2025 10:39 am
Fairy Tales of Safety: A Successful Experiment
Vladimir Bezmaly | 01/27/2021
- Hi, Bob!
- Good morning, boss! What happened?
— Six months ago, there was a terrorist attack in the metro. People died, and then there were no trains on the fifth line for almost four months.
- Yes, I remember. After that, the FBI decided to panama mobile database cameras in the subway.
— Or rather, Company M installed cameras in the subway at the request of the police and the FBI. And we were able to track passengers both at the approaches to the subway and on the platforms, and then even on trains. But now, due to the epidemic, people wear masks, which means it is impossible to track passengers as before. Any ideas?
- Well, I think it will make our work much more difficult, but it will hardly stop us. I read that the staff of the technical university taught the "smart home" system to recognize faces under a medical mask using inexpensive video adapters.
— Are you familiar with their work?
- Yes. I studied at this university. To identify a person whose face is hidden under a mask, a special algorithm was developed: it identifies key points in the upper part of the face and identifies the person by them. The system reads the part of the face that is not hidden by the mask and compares it with the biometric data loaded into the database.
- But in this way the system can only recognize those it already knows?
— That's right. But it's better than nothing. In fact, the system is designed for checkpoints, not for the metro. The algorithm allows up to 30-40 people per minute to pass through the turnstile, and there is no need to specifically stop in front of the camera. The algorithm does not allow the system to be fooled by a photo or an image on the screen. The development allows not only to recognize faces and objects, but also to perform intelligent video surveillance and remote identification.
Vladimir Bezmaly | 01/27/2021
- Hi, Bob!
- Good morning, boss! What happened?
— Six months ago, there was a terrorist attack in the metro. People died, and then there were no trains on the fifth line for almost four months.
- Yes, I remember. After that, the FBI decided to panama mobile database cameras in the subway.
— Or rather, Company M installed cameras in the subway at the request of the police and the FBI. And we were able to track passengers both at the approaches to the subway and on the platforms, and then even on trains. But now, due to the epidemic, people wear masks, which means it is impossible to track passengers as before. Any ideas?
- Well, I think it will make our work much more difficult, but it will hardly stop us. I read that the staff of the technical university taught the "smart home" system to recognize faces under a medical mask using inexpensive video adapters.
— Are you familiar with their work?
- Yes. I studied at this university. To identify a person whose face is hidden under a mask, a special algorithm was developed: it identifies key points in the upper part of the face and identifies the person by them. The system reads the part of the face that is not hidden by the mask and compares it with the biometric data loaded into the database.
- But in this way the system can only recognize those it already knows?
— That's right. But it's better than nothing. In fact, the system is designed for checkpoints, not for the metro. The algorithm allows up to 30-40 people per minute to pass through the turnstile, and there is no need to specifically stop in front of the camera. The algorithm does not allow the system to be fooled by a photo or an image on the screen. The development allows not only to recognize faces and objects, but also to perform intelligent video surveillance and remote identification.