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Oh Jin Kwon
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Hanam-si, KR
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Patents Grants
last 30 patents
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Patent Grant
Method and device for watermark-based image integrity verification
Patent number
11,915,336
Issue date
Feb 27, 2024
Industry-Academia Cooperation Group of Sejong University
Oh Jin Kwon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image encoding/decoding method and device using color coordinate ax...
Patent number
11,528,491
Issue date
Dec 13, 2022
Industry-Academia Cooperation Group of Sejong University
Oh Jin Kwon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CONTENT PROVIDING METHOD AND APPARATUS, AND CONTENT PLAYBACK METHOD
Publication number
20240244299
Publication date
Jul 18, 2024
Oh Jin KWON
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR WATERMARK-BASED IMAGE INTEGRITY VERIFICATION
Publication number
20210334931
Publication date
Oct 28, 2021
Oh Jin Kwon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE ENCODING/DECODING METHOD AND DEVICE USING COLOR COORDINATE AX...
Publication number
20210321120
Publication date
Oct 14, 2021
Oh Jin Kwon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CENTER-TO-EDGE PROGRESSIVE IMAGE ENCODING/DECODING METHOD AND APPAR...
Publication number
20210295564
Publication date
Sep 23, 2021
Oh Jin Kwon
G06 - COMPUTING CALCULATING COUNTING