????這些故障并不會(huì)造成安全隱患，只是給海關(guān)工作人員帶來了額外的工作量，以及給指紋模糊或皮膚脫水的全球通關(guān)計(jì)劃會(huì)員造成了不便。該計(jì)劃的公關(guān)負(fù)責(zé)人斯蒂芬妮?馬林表示，他們機(jī)器的出錯(cuò)率是3%。國際生物認(rèn)證組織（IBG）的理事喬伊?史密斯稱，她所在機(jī)構(gòu)對(duì)政府指紋掃描器的測(cè)試表明，出錯(cuò)率在1%到5%之間——這個(gè)成績跟市面的產(chǎn)品持平或者更好一些。

????交叉匹配公司的新機(jī)器正在接受一些客戶的試用，這些機(jī)器旨在解決上述問題，并且應(yīng)該能夠提升性能表現(xiàn)。新掃描器會(huì)向無人值守亭的用戶提供指導(dǎo)，比如“更用力按下”，它被設(shè)計(jì)來捕獲手指的圖像，不管手指是潮濕還是干燥。另外，掃描板也被設(shè)定保持溫暖，目的是軟化皮膚，使其更容易被機(jī)器讀?。ń徊嫫ヅ涔灸壳巴度胧褂玫臋C(jī)器中還裝備了硅膠墊，以期對(duì)干燥的手指提供幫助）。

????阿尼爾?詹納是密歇根州立大學(xué)的計(jì)算機(jī)科學(xué)教授，他跟生物識(shí)別技術(shù)研究公司（Biometric Research Group）展開了合作，他表示，身份掃描識(shí)別不可避免地會(huì)存在一定程度的誤差。“這算是一種令人討厭的事情，但談到生物識(shí)別技術(shù)，每一種傳感裝置都存在問題?！彼缡钦f道。虹膜識(shí)別可能因?yàn)檠鄄€下垂而變得復(fù)雜起來，面部識(shí)別則受采光不良以及年齡老化的影響。迪士尼樂園（Disney World）所采用的多光譜指紋識(shí)別——即讀取靜脈圖案——沒有跟美國龐大的數(shù)字指紋數(shù)據(jù)庫連通。

????作為全球通關(guān)計(jì)劃的負(fù)責(zé)人，瓦格納承認(rèn)，虹膜和面部識(shí)別技術(shù)最終可能提供更好的表現(xiàn)。美國政府已經(jīng)開始將它們視作指紋識(shí)別的備用選項(xiàng)，但他說新系統(tǒng)投入使用以及整合到現(xiàn)有系統(tǒng)還要過一段時(shí)間。

????在那之前，指紋模糊的旅客將需要繼續(xù)用到自己出汗的額頭，并期望新的機(jī)器快點(diǎn)到來。（財(cái)富中文網(wǎng)）

????譯者：王燦均

????These failures do not pose security risks, just extra work for customs agents and inconvenience for faint-fingered or dehydrated Global Entry members. Stephanie Malin, a public affairs officer with the program says their machines have a 3% fail rate. And Joy Smith, Director at the International Biometric Group, says her organization's tests of government machines have shown a 1 to 5% fail rate –- making them as good or better as anything in the market.

????Cross Match's new machines, which are currently being demoed by a number of customers, take aim at these issues and should improve performance. The new scanners provide guidance to kiosk users like "press harder" and are designed to capture images of either wet or dry fingers. The scanning plate also is kept at a warm temperature to soften the skin and make it more amenable to reading. (The Cross Match machines currently being used also have silicone pads that are supposed to help with dry fingers.)

????Anil Jain, a professor of computer science at Michigan State University who works with the Biometric Research Group, says some degree of error comes with the territory in identity scanning. "It's sort of a nuisance, but when it comes to biometrics, every sensing device has an issue," he says. Iris recognition can be complicated by droopy eyelids, and facial recognition by bad lighting and aging. Multi-spectral fingerprinting -- which reads vein patterns and is used by Disney World -- does not integrate with the massive U.S. database of digitized fingerprints.

????Wagner, the Global Entry Director, acknowledges the possibility that iris and facial recognition technology might ultimately offer better performance. The government has started to look at them for a backup to fingerprints, but he says it will be a while before a new system is adopted and integrated into the system.

????Until then, travelers with faint fingerprints will have to keep using their sweaty foreheads, or hope the new machines arrive soon.