Can you take the subway by just reaching out? This line makes it possible

No need to swipe a card or scan a code, just stretch out your palm to open the subway gate. This convenient new mode of "swiping your palm" to take the subway is now available on the Daxing Airport Line of the subway.

This morning, a Beijing Daily reporter found several new automatic ticket machines outside the entrance gates at Caoqiao Station on the Daxing Airport Line of the subway. Different from other ticket machines, the new ticket machines have larger screens. In addition to the normal operations such as ticket purchase, recharge, and online ticket collection, there is an option to "activate palm-swiping for riding" on the page. There is also a circular palm recognition area at the bottom of the screen, which is similar in size to a mobile phone wireless charger.

The reporter followed the instructions on the screen and tried to activate the palm-swiping service. First, the palm print needs to be recorded. When the palm is placed above the circular recognition area, the recognition area begins to flash red light. When recording the palm print, the height of the palm needs to be adjusted continuously. After the entry is completed, the device will emit a "beep" prompt, and the circle will turn green. Then, a QR code will appear on the screen. Passengers also need to complete the agreement authorization, real-name information authorization and activate WeChat palm-swiping payment in the WeChat applet. After completing all the processes, the palm-swiping service can be activated.

With the opening of palm-swipe boarding, some gate passages have also added palm-swipe boarding areas. When taking the subway, passengers only need to find a palm-swipe gate with a circle logo, face their palms to the recognition area inside the circle, and start swiping their palms. After the recognition is completed, the circle turns green and the gate will automatically open. After exiting the station, the phone will receive a push notification of the deduction.

However, compared to the familiar card and code scanning, it may take a little longer for passengers to pass through the gate when they first use palm scanning. The reporter tried many times and found that if the device fails to recognize the palm, the gate will prompt the passenger to "move further away" or "come closer", and sometimes even need to adjust the height of the palm several times before the palm can be successfully passed.

Like face recognition and fingerprint recognition, palm scanning is also a type of biometric technology. However, compared with the first two biometric technologies, palm scanning technology is still at the stage where most people have only heard of it but have never seen it.

The reporter noticed that when activating the palm-swiping service to board a bus, passengers need to agree to the "Palm-swiping Service Notice". It mentions that the service provider needs to collect, process and store the passenger's palm information such as palm print information and palm vein information for the construction of a palm information database and provide palm information comparison and verification. At the same time, the "Notice" also mentioned that the service provider and the cooperating technical service provider will not store the original palm information samples and images. After completing the extraction of palm information elements, the service provider will delete the original palm information samples and images or anonymize them, except as otherwise provided by laws and regulations.

During use, the palm-print-swiping ride service only allows one person to bind one palm print information, and it is only available for residents of mainland China over the age of 14. In addition, the palm-print-swiping ride service is currently only available within the Daxing Airport Line.

Source: Beijing Daily