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  3. Police in the popular resort city Virginia Beach recently began operating video surveillance cameras with controversial face rec

Police in the popular resort city Virginia Beach recently began operating video surveillance cameras with controversial face rec

admin2014-03-25  88
问题     Police in the popular resort city Virginia Beach recently began operating video surveillance cameras with controversial face recognition technology. Virginia Beach and Tampa in Florida two cities in the United States acquired the technology, which cost them $197,000. "Before we switched it on, we went through an extensive public education process with hearings and the involvement of citizen groups and minority groups, who helped write the policies we are using, " said deputy police chief Greg Mullen. A citizens’ auditing committee has the right to perform unannounced spot checks on police headquarters to make sure the technology is not being misused.
    Three of the city’s 13 cameras are linked full time to the face recognition system, though the others can be activited as needed. The database of wanted people is updated every day. So far, the system has failed to produce a single arrest, though it has generated a few false alarms. It works by analyzing faces based on a series of measurements, such as the distance from the tip of the nose to the chin or the space between the eyes. Critics say it is highly inaccurate and can be easily fooled. Mullen, who sees the system eventually being linked to the databases of other city, state and federal law enforcement agencies to track criminals and suspected terrorists, said, "The system doesn’t look at skin color or your hair or your gender. It takes human prejudices out of the equation. "
    "This technology has little or no effect on the crime rate but it does have an effect on people’s behavior. People feel cowed, " said Bruce Steinhardt, who directs the technology. Despite the fact that tests have shown faces recognition only works in around 30% cases, the ACLU is alarmed that the technology may soon spread to airports. The organization also fears it could potentially be used to monitor individual’s political activities to harass law-abiding citizens.
    "This kind of surveillance should be subject to the same procedures as wiretaps. Law enforcement agencies should justify why they need it and it should be tightly limited, otherwise it will soon become a tool of social control, " said Mihir Kshisagar of the Electronic Information Privacy Center. Nor does such criticism come exclusively from the political left. Lawyer John Whitehead, founder of the conservative Rutherford Institute, wrote in an editorial that the technology threatened the right of each U. S. citizen to participate in society. "After all, that is exactly what constant surveillance is—the ultimate implied threat of coercion, " he wrote.
Why does the system fall to arrest a wanted person?
选项 A、The system is not effective in recognizing people.
B、The system doesn’t look at skin color or one’s gender.
C、The system doesn’t consider people’s specific features.
D、The system is highly inaccurate and can be easily fooled.
答案C
解析 文章第二二段讲述了面孔识别系统的运行情况，系统迄今尚未抓到一个犯人，这是因为“It works by analyzing faces based on aseries of measurements，such as the distance from the tip of the noseto the chin or the space between the eyes．”这说明这个系统不考虑人的具体特征，所以抓不到通缉犯，所以正确答案为C。
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