Countries may face the need to consider the impact on privacy

In the Steven Spielberg science-fiction movie Minority Report, the character John Anderton, played by Tom Cruise, attempts to evade a citywide optical recognition system through a risky black market eye transplant.

Although the film is set in 2054, such modern technology is gradually appearing in our daily lives.

Since Woodrow Wilson Bledsoe, a mathematician from the United States, worked on the use of computers to recognize human faces in the 1960s, scientists in many countries have researched the technology, and it is now widely applied in various fields.