公开(公告)号：US10248835B2

公开(公告)日：2019-04-02

申请号：US15293452

申请日：2016-10-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngsung Kim ,  Kyuhong Kim ,  Hyungsuk Kim ,  Sungjoo Suh ,  Chang Kyu Choi

IPC: G06K9/00 ,  G06K9/03 ,  G06F21/32

Abstract: Authentication methods and apparatuses are disclosed. An authentication method may include generating a quality profile of an authentication image, and determining an effective region in the authentication image based on the generated quality profile.

公开(公告)号：US10049258B2

公开(公告)日：2018-08-14

申请号：US15049529

申请日：2016-02-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyuhong Kim ,  Wonjun Kim ,  Youngsung Kim ,  Sungjoo Suh

IPC: G06K9/00 ,  G06K9/32

Abstract: A method of preprocessing an image including biological information is disclosed, in which an image preprocessor may set an edge line in an input image including biological information, calculate an energy value corresponding to the edge line, and adaptively crop the input image based on the energy value.