Evaluating the performance of biometric systems is a complex problem.

评估生物认证系统的性能是个复杂的问题。

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Researchers are eager to produce 'non-contact' biometric systems that can check any individual's identity at a distance.

研究人员热切希望生产出“非接触性”生物识别系统，能在远处对所有个体进行身份认证。

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Manufacturers and vendors of biometric systems should carefully examine security of their system against artificial clones.

生物辨识系统的制造商与业者应该谨慎检查他们产品与系统对于人造复制特征的安全性。

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However there are still a number of reservations that biometric systems will provide an enhanced passenger experience at airports and maintain high standards of security.

CNN: Heathrow tests biometrics

Research carried out by Axel Munde of the German Information Security Agency, to be published next month, found that many biometric systems available in Germany could be fooled.

ECONOMIST: The measure of man | The

"As well as being careful to find a system that works unfailingly, be it fingerprints or eye scans, the main factor holding back airlines from introducing more biometric systems is the lack of integration, " a spokesperson for British Airways told CNN.

CNN: Heathrow tests biometrics