What is the purpose of eating with a brush face in Hangzhou No.11 Middle School?

Recently, the dining hall of Hangzhou No.11 Middle School began to push the face to eat, which can generate a nutrition report for students to eat every day.

There is a "face brush" in front of each window in the student canteen, which is equipped with a camera and can be operated by touch screen. At first glance, it looks like a normal tablet. Students will be recognized as long as they stand in front of the "face brush" for one second. Then, dining information such as name, meal card balance and set meal type will appear on the screen. Click "OK", that is, after the checkout is completed, you can get the delicious food handed over by the canteen master.

This is version 3.0 of the Wisdom Canteen in Hangzhou No.11 Middle School. The previous version 2.0 has been able to complete ordering and payment through mobile phone WeChat, but a card is needed in the process of picking up meals. On the basis of version 2.0, version 3.0 adds the function of face recognition, so that students can authenticate to take meals just by brushing their faces in line, and no longer need to bring cards. At the same time, the nutrition report generated according to students' daily diet has been sent to parents once a month from once a week.

Zhang Guanchao, vice president of the school, said that the reason for upgrading the smart canteen this semester is because teachers found that there are many "little horses and big ha". About 50 students forget to bring their meal cards every day, and some even lose their meal cards directly. The most exaggerated one actually lost three meal cards in one semester. So, a week after the version 3.0 of the smart canteen was launched, high school students said: From now on, my mother no longer has to worry that I forgot my card.

Version 3.0 of Smart Canteen actually associates each student with a student ID number and their IC card, and everyone's photo is also associated with the student ID number. When the camera takes photos of students, it will read the photos in the database. Successful photo matching means successful matching with IC card, so the information in IC card can be called naturally. So the recharge is still charged into the IC card, but this IC card is already a virtual IC card, it is just a card number and account number.

"I think it's very convenient to brush your face, and you don't need to bring a meal card." Xiao Yu, a senior one boy, is whispering to his classmates with a dish. However, because I just started trying, some interesting little situations will happen from time to time at the scene, which makes people laugh:

For example, a boy stood in front of the "face brush" and was not recognized. "Is it because I am not good-looking, so I refuse to recognize me?" The boy joked that he had had a good time before making his classmates laugh. He smiled, and the meal information immediately popped up on the screen. "It turned out that it just deliberately denied me and wanted me to laugh."

The other boy was recognized soon, but the system showed that he was in the wrong line. "Oh, I ordered the D package. How did I get to the window of the C package? I still have a good memory!" The boy moved quickly to the next window.

In order to ensure that the instrument can accurately identify all the students in the school, it is suggested that students POSE different poses and different expressions when inputting photos, such as serious face, smiling face and slightly sideways face. In this way, whether you are serious or smiling, positive or side face, you will be recognized as long as you meet the "face brush".

In addition to changing photos, cartoon heads may be used in the future-all real photos are input and recognized, but cartoon heads are displayed on the instrument.

The school is going to verify the speed and accuracy of swiping the card by brushing the face for dinner, and then use it to brush the face for attendance. Because of the implementation of elective courses in high schools, teachers are very picky about the attendance rate of students who drop out of classes. Every day, students in different administrative classes will have management loopholes if they don't call the roll. It is a waste of time to call the roll one by one. Brush face attendance, saving roll call time means increasing class time.