Living body iris patterns collecting method and collector |
Title: |
Living body iris patterns collecting method and collector |
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Application Number: |
200410047920 |
Application Date: |
2004/06/11 |
Announcement Date: |
2005/02/23 |
Pub. Date: |
2007/02/07 |
Publication Number: |
1584917 |
Announcement Number: |
1299231 |
Grant Date: |
2007-2-7 |
Granted Pub. Date: |
2007-2-7 |
ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
G06K 9/00 |
Applicant(s): |
Tsinghua Univ. |
Inventor(s): |
Lin Xirong, Hu Jing, Tan Rumou |
Key Words: |
Living body, iris patterns, collecting method, collector |
Abstract: |
A method for collecting living body iris image includes confirming dynamic image being eye image, counting up eye image grey scale value to find out initial pupil centre, collecting a series of eye image in different focal surface to make image quality evaluation in order to confirm the best quality iris image. |
Claim: |
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Priority: |
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PCT: |
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