Personal access control system using speech and face recognition

Details Personal access control system using speech and face recognition Personal access control system using speech and face recognition

1981-11-20

1984-05-15

Kemeny, E. S. Matt

Boots, shoes, and leggings

381 41, 381 42, G10L 100

Patent

active

044491891

ABSTRACT:
A method and an apparatus are disclosed for identifying an individual through a combination of both speech and face recognition. The voice signature of an interrogated person uttering a key word into a microphone is compared in a pattern matcher with the previously stored voice signature of a known person uttering the same key word to obtain a first similarity score. At the same time, when a key event in the utterance of the key word by the interrogated person occurs, a momentary image of that person's mouth region onto which a grid pattern has been projected is optically recorded and compared with the previously stored corresponding momentary image of the same known person to obtain a second similarity score. The two similarity scores are analyzed to verify that the identity of the interrogated person is that of the known person.

REFERENCES:
patent: 3999006 (1976-12-01), Takeuchi et al.
patent: 4109237 (1978-08-01), Hill
patent: 4179686 (1979-12-01), Bonicalzi et al.
patent: 4239936 (1980-12-01), Sakoe
Haberman, et al., "Automatic Identification of Personnel . . . ", Carnahan Conference, 1976, pp. 23-30.
J. Herron, et al., "Biomedical Image Processing for Dental Facial Abnormalities", published in Proceedings of International Conference on Cybernetics & Society, Washington, DC, IEEE Systems Man & Cybernetics Society, Sep. 19-21, 1977, pp. 462-464.
L. Harmon, et al., "Identification of Human Face Profiles by Computer", published in Pattern Recognition, vol. 10, pp. 301-312, Pergamon Press Ltd. (1978).

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