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Why does face recognition fail?Jul 09, 2019 pm 02:42 PM
face recognition

The era of "looking at faces" has really arrived! With the continuous development of face recognition technology, "face scanning" can be applied in more and more scenarios. From using face to pay to using face to withdraw money, from using face to unlock access control to using face to check in, from using face to verify college entrance examination information to using face to authenticate services... "Swiping face" has begun to gradually penetrate into people's lives. in the details.

Why does face recognition fail?

However, "how to prove that you are you" is a problem that has always troubled people, and it seems that it still exists in the era of "looking at faces". Just imagine, when you select a product in the center and prepare to scan your face to check out, the machine suddenly prompts: "Failed to scan your face, payment failed." You may be heartbroken. Not long ago, Ms. Zhu from Huai'an encountered this embarrassing scene. (Recommended learning: PHP video tutorial)

The thing is like this: Ms. Zhu checked the information at the personal credit report independent inquiry machine of the local government affairs center, followed the machine prompts, and swiped her ID card first , then take a photo to "swipe your face", and then the result displayed by the machine is that the photo taken does not match the photo on the ID card, and the identity authentication fails. Ms. Zhu tried many times in succession, but the result was that the authentication failed. She was very puzzled, "My appearance has not changed much, but why can't the photo match the photo on the ID card?"

According to local authorities The staff of the Government Affairs Center explained that the success rate of "face recognition" at the self-service inquiry machine is about 95%, which means that although most people can pass by scanning their faces, there will still be a small number of people who are affected by their clothing, appearance, or photography. Due to environmental factors and other factors, the identity cannot be accurately identified by the machine.

Of course, a machine is just a machine after all. Due to the limitations of technological development, it is possible that 100% recognition cannot be achieved.

If the face recognition fails, it may not have much to do with appearance. It may just be that you have not mastered the skills of facial recognition! So, what is the correct posture for "swiping your face"?

1. Turn on the permissions of the mobile phone camera

Many users will ask "Why can't the camera take pictures", "Why can't I upload ID card photos" and so on In fact, the main reason for the problem is that when the user opened the app software, he denied the software permission to access the camera function. Just re-enable the relevant permissions in the system settings.

2. Take “clear” photos

Be sure to take good photos and adjust the light to avoid too strong or too dark light; at the same time, you must also pay attention to the shooting angle. Avoid reflected light spots and keep the shot as level and front-on as possible. Remember, your hands should not be shaking and the photos should not be "blurred"!

3. To fully "expose" your true self

In order to verify identity information, face recognition technology collects dynamic video streams for identification. So please follow the screen and voice prompts to blink, turn your head, open your mouth... and operate. It should be noted that large areas of bangs, hats, glasses and other objects may cause recognition failure.

It is worth mentioning that some people use photos or videos to replace themselves in the "face-swiping" operation in an attempt to get through, but they don't know that the face recognition system will perform liveness detection, using photos or videos. In the face of facial recognition technology, everyone has to show their true colors. Therefore, when performing face recognition, fully exposing your complete face is the best guarantee for successful recognition.

4. Go to the public security website to update photo information

When you have done all the above 3 points but still cannot be recognized by the machine, then you should carefully consider whether it is you. The photo information on the public security website is invalid. If the photo information is really expired, you can go to the police station or the ID card application center to update (re-register) your ID card photo.

I hope that the above few tips can help every reader who reads this article, and help everyone to happily swipe their faces and live easily in the face-swiping era.

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