四、信息还原
Chen Shunqing, a police officer, says that many criminals use “AI face-swapping (换脸)” to commit online fraud (网络诈骗). It has caused much loss for many people. 1.
F
Today Mr Chen is going to teach us how to find out if the person you're making video calls with is real.
* Move his or her hands.
2.
G
During a video call, criminals often use full-face photos. So moving hands can make the full face photos shake. You can easily notice that.
* 3.
A
Ask the person to move his or her face side to side. If it is not a real person, the face will get out of shape.
* Press (按压) his or her nose or face.
Ask him or her to press his or her nose or face. “When a real person does this, his or her nose or face will change shape,” Chen Shunqing says. “4.
B
”
* Ask the real questions.
Ask questions that only the two of you know. 5.
E
So you can make sure that the person you're talking to is real. And for those we don't know well, don't believe them easily.
A. Move his or her face from left to right.
B. But an AI-made face can't do this.
C. Ask the person to jump up and down.
D. Try to make as few video calls as possible.
E. If the person is real, he or she can surely answer them.
F. So do you know how we can prevent such things?
G. Ask him or her to move the hands in front of the face.