Methods and apparatuses for adaptively updating enrollment database for user authentication
HAN JaeJoon, J Kim, SM Rhee… - US Patent …, 2020 - Google Patents
An adaptive updating method of an enrollment database is disclosed. The method may
include extracting a first feature vector from an input image of a user, determining whether
the input image is to be enrolled in an enrollment database based on the first feature vector,
second feature vectors of enrollment images including initial enrollment images enrolled in
the enrollment database, and a representative vector representing the initial enrollment
images, and enrolling the input image in the enrollment database based on a result of the …
include extracting a first feature vector from an input image of a user, determining whether
the input image is to be enrolled in an enrollment database based on the first feature vector,
second feature vectors of enrollment images including initial enrollment images enrolled in
the enrollment database, and a representative vector representing the initial enrollment
images, and enrolling the input image in the enrollment database based on a result of the …
Methods and apparatuses for adaptively updating enrollment database for user authentication
J Kim, SM Rhee, HAN JaeJoon - US Patent 10,769,255, 2020 - Google Patents
A method of adaptively updating an enrollment database is disclosed. The method may
include extracting a first feature vector from an input image, the input image including a face
of a user, determining whether to enroll the input image in the enrollment database based
on the first feature vector, second feature vectors of enrollment images and a representative
vector, the second feature vectors of the enrollment images being enrolled in the enrollment
database, and the representative vector representing the second feature vectors, and …
include extracting a first feature vector from an input image, the input image including a face
of a user, determining whether to enroll the input image in the enrollment database based
on the first feature vector, second feature vectors of enrollment images and a representative
vector, the second feature vectors of the enrollment images being enrolled in the enrollment
database, and the representative vector representing the second feature vectors, and …
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