BIOMETRIC AUTHENTICATION DEVICE AND BIOMETRIC AUTHENTICATION SYSTEM

• Main Authors: IKEDA SATOSHI, KONISHI YUTO, SAKAGAMI HIROSUKE, YOSHIOKA YOSHIHISA
• Format: Patent
• Language: English; Japanese
• Published: 12.11.2015
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

PROBLEM TO BE SOLVED: To provide a biometric authentication device and a biometric authentication system that perform safe and continuous biometric authentication with no risk of biometric information being used fraudulently if the biometric information is duplicated or leaked.SOLUTION: The biometric information device according to the embodiment a device that biometrical-authenticates a user by checking biometric information of a user having issued a request for authentication against registered biometric information of the user. The biometric information device includes: a biometric information acquisition unit for acquiring biometric information of a user to be checked; a feature information extraction unit for extracting feature information from the biometric information to be checked according to a determined rule, and a biometric information registration unit for changing the extracted feature information to be used as the biometric information of the user for registration and registering the changed information into a storage unit storing biometric information for registration. 【課題】生体情報が複製されたり漏えいしても、生体情報が悪用されることなく、安全かつ継続的に生体認証を実施することができる生体認証装置および生体認証システムを提供する。【解決手段】本実施形態に係る生体認証装置は、認証要求を受け付けたユーザの照合用生体情報と、登録されている前記ユーザの登録用生体情報との生体認証を実行する生体認証装置であって、前記ユーザの照合用生体情報を取得する生体情報取得部と、取得した前記ユーザの照合用生体情報から、当該照合用生体情報が示す一部の特徴情報を、決定規則に従って抽出する特徴情報抽出部と、抽出した前記特徴情報を、前記ユーザの登録用生体情報として変更し、登録用生体情報格納部に登録する生体情報登録部と、を備える。【選択図】 図１