[20210629]IN11695_面向特定旅行者和非公民身份验证的人脸识别技术.pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Facial Recognition Technology for Certain Traveler and Noncitizen Identity Verification June 29, 2021 Facial recognition technology (FRT), which uses algorithms to compare faces against a collection of known faces, is a biometric tool employed by law enforcement, including U.S. Customs and Border Protection (CBP) officials. FRT can be used to verify the identity of travelers and certain noncitizens awaiting entry. FRT is used in two primary ways: identification searches, comparing features of a probe photo with those in a database of images to produce a gallery of potential matches ranked by similarity (not a single affirmative match), and identity verifications, comparing a probe photo against known photos to produce a binary, match/no match result. Traveler Verification Service (TVS) CBP employs FRT at many air, land, and sea ports of entry and preclearance locations, both domestically and abroad, and used it to process over 23 million travelers in FY2020. Specifically, CBP, in partnership with the Transportation Security Administration (TSA), uses FRT to verify travelers identities. TVS is a public-pri