An exhibitor demonstrates a security scanner that uses millimeter wave imaging at a science and technology convention in Xi'an, Shaanxi province, last year. The technology was introduced recently for use in civil aviation in China.Zhang Yuan / China News Service
Using a technology known as millimeter wave imaging, the security scanner can detect objects hidden under clothing, including nonmetallic objects, and can show their shape, size and position, the administration said.
民航局表示,使用毫米波人體成像技術(shù)進(jìn)行安檢可以檢測出在衣物覆蓋下藏匿的物品,包括非金屬物品,并可以從圖像上獲取隱匿物品的形狀、大小和位置等信息。
毫米波人體成像技術(shù)(millimeter wave imaging)是目前全球安防領(lǐng)域的先進(jìn)技術(shù),已在美國、英國、荷蘭、澳大利亞、日本等國機(jī)場用于旅客人身安檢。這是安檢中常用的一種全身掃描(full body scanner)設(shè)備,具有對人體無害、穿透力強(qiáng)的特點,其發(fā)射功率不及手機(jī)電磁波輻射的千分之一(an emission strength less than 1-thousandth the electromagnetic radiation of a mobile phone),能準(zhǔn)確識別人體攜帶物品,有效提高檢查的客觀性、準(zhǔn)確性、針對性,降低安檢員的勞動強(qiáng)度,提升安檢效率。
民航局稱,未來,毫米波人體成像設(shè)備將逐步取代民用機(jī)場沿用26年的金屬探測門(walk-through metal detectors),旅客也將體驗到更加安全、高效的人身安檢服務(wù)。
【相關(guān)詞匯】
面部識別 facial recognition
指紋識別 fingerprint verification
靜脈驗證 finger vein verification
金屬探測器 metal detector
電子監(jiān)控 electronic monitoring system
嗅探犬 sniffer dogs