{"url":"/method/nfr","slug":"nfr","name":"NFR","full_name":"Negative Face Recognition","full_name_withheld":false,"description_markdown":"**Negative Face Recognition**, or **NFR**, is a face recognition approach that enhances the soft-biometric privacy on the template-level by representing face templates in a complementary (negative) domain. While ordinary templates characterize facial properties of an individual, negative templates describe facial properties that does not exist for this individual. This suppresses privacy-sensitive information from stored templates. 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