Patent Number: 9,432,594

Title: User recognition apparatus and method

Abstract: A user recognition apparatus includes: a visible-light image processing unit configured to acquire a visible-light image using a visible-light camera; an infrared-light image processing unit configured to acquire an infrared-light image using an infrared-light camera; a threshold value processing unit configured to remove a background of the infrared-light image using a threshold value, and generate a clipped infrared-light image; an optical flow processing unit configured to calculate an optical flow based on the clipped infrared-light image and the visible-light image, and generate a clipped visible-light image based on the calculated optical flow; and a visible light processing unit configured to recognize a user based on the clipped visible-light image.

Inventors: Kim; Hyun-Gon (Suwon-si, KR), Park; Jun-Seok (Daejeon, KR), Lee; Hae-Ryong (Daejeon, KR)

Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

International Classification: H04N 5/33 (20060101); G06T 5/50 (20060101); G06T 5/00 (20060101); G06K 9/00 (20060101); G06K 9/62 (20060101); G06K 9/20 (20060101); H04N 5/222 (20060101)

Expiration Date: 2020-08-30 0:00:00