公开(公告)号：US12019724B2

公开(公告)日：2024-06-25

申请号：US17535575

申请日：2021-11-25

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ig Jae Kim ,  Gi Pyo Nam ,  Haesol Park ,  Junghyun Cho ,  Je Hyeong Hong

IPC: G06F21/00 ,  G06F21/32 ,  G06V40/16

CPC classification number: G06F21/32 ,  G06V40/168 ,  G06V40/172

Abstract: Embodiments relate to a user authentication device configured to detect a face region in a target object image including at least part of a face of a target object, recognize masked or unmasked in the face region, extract target object characteristics data from the face region of the target object image, call reference data and authenticate if the target object is a registered device user based on the called reference data and the target object characteristics data. The reference data is generated from an unmasked image of the registered device user.

公开(公告)号：US11558197B2

公开(公告)日：2023-01-17

申请号：US16845362

申请日：2020-04-10

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ig Jae Kim ,  Gi Pyo Nam ,  Junghyun Cho ,  Heeseung Choi

IPC: H04L9/32 ,  G06F21/32 ,  G06F3/0488 ,  G06T7/73 ,  H04M1/72484 ,  G06V40/60 ,  G06V40/16

Abstract: Exemplary embodiments relate to a method for unlocking a mobile device using authentication based on ear recognition including obtaining an image of a target showing at least part of the target's body in a lock state, extracting a set of ear features of the target from the image of the target, when the image of the target includes at least part of the target's ear, and determining if the extracted set of ear features of the target satisfies a preset condition, and a mobile device performing the same.