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鼻子识别技术让你无法遁形

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我们已经掌握了瞳仁和指纹鉴定技术,而现在英国巴斯大学的一项研究表明,利用鼻子可能是一种更好的认证方法。
We already have iris and fingerprint scanning but noses could be an even better method of identification, says a study from the University of Bath, UK.
研究人员对鼻子进行三维扫描,然后根据鼻尖、鼻梁、和眼间距即鼻宽进行分类。
The researchers scanned noses in 3D and characterised them by tip, ridge profile and the nasion, or area between the eyes.
研究人员将人的鼻子分为6大类型:罗马、希腊、努比亚、鹰勾、蒜头和朝天鼻。
They found 6 main nose types: Roman, Greek, Nubian, hawk, snub and turn-up.
研究显示,由于鼻子很难隐藏,所以它是秘密跟踪监视时重要的认证特征。
Since they are hard to conceal, the study says, noses would work well for identification in covert surveillance.
研究人员表示,日益发展的甄别人类脸部特征的生物认证技术没有给予鼻子足够的重视。
The researchers say noses have been overlooked in the growing field of biometrics, studies into ways of identifying distinguishing traits in people.
巴斯大学的阿德里安·埃文思博士称,鼻子是突出的面部特征,但它作为生物认证特征还有待于开发。
"Noses are prominent facial features and yet their use as a biometric has been largely unexplored," said the University of Bath's Dr Adrian Evans.
巴斯大学与西英格兰大学(布里斯托尔)和伦敦帝国理工学院联手,用一种叫做PhotoFace的系统对鼻子进行三维扫描。
The researchers used a system called PhotoFace, developed by researchers at the University of the West of England, Bristol and Imperial College, London, for the 3D scans.
研究小组根据扫描后得到的这些参数设计出一套识别软件,用来对鼻部特征进行识别。
Several measurements by which noses can be recognised were identified and the team developed recognition software based on these parameters.
埃文思博士承认,初步的结果表明鼻子识别技术有优有劣,但效果还比不了瞳仁认证技术。
"This initial work is nowhere as good as iris identification but the nose has pros and cons," said Dr Evans
“没有哪一种生物认证可以解决所有的问题。瞳仁认证虽然精确,但并不容易准确地捕捉,也很容易被眼皮和眼镜遮挡,而耳朵也很容易被头发遮挡起来。”
"There's no magic biometric that solves all your problems. Irises are a powerful biometric but can be difficult to capture accurately and can be easily obscured by eyelids or glasses. People can easily cover up their ears, with their hair for example. "
“你当然也可以打断鼻梁或做整形手术改变鼻子形状,但一般人不会做这种改变鼻形的极端的选择。”
"Of course you can have a broken nose or wear a false nose or have plastic surgery but to have nose surgery to change your identity is fairly drastic. "
“瞳仁认证虽然不错,但滴入扩瞳药水就可以轻易地改变瞳仁大小。所以说没有什么技术是绝对可靠的。”
"Irises are very good for recognition but you can put in dilation drops which change the iris completely. No technique is infallible," he said.
研究小组研究了40个人的鼻子,下一步将扩展到160个鼻子,以便测试该软件能否从一大群人中辨认,以及能否在亲属中做出区分。
The research is based on a study of 40 noses and the data base has now been expanded to 160 for further tests to see if the software can pick out people from a larger group and distinguish between relatives.
埃文思博士希望鼻部认证可以在更大的范围内被确认为一种有效的识别技术。毫无疑问,鼻部识别技术潜能无限,而且可能将配合其它识别技术一起使用。
Dr Evans hopes the method can be proven to be effective on this larger sample. "The technique certainly shows potential, perhaps to be used in combination with other identification methods," he said.
标签:鼻子 技术 遁形
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2010-03-18 22:04 编辑:kuaileyingyu
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