Inventor
OH WEON-GEUN
KR22 patents
⚠️ This page may combine multiple inventors who share the name “OH WEON-GEUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
8 patentsUS7092545B2Aug 15, 2006
Apparatus and method for embedding and extracting a digital watermark based on a wavelet
KOREA ELECTRONICS TELECOMM12 citations83
US6934403B2Aug 23, 2005
Robust blind watermarking method in wavelet DC components
KOREA ELECTRONICS TELECOMM18 citations83
US6728403B1Apr 27, 2004
Method for analyzing structure of a treatise type of document image
KOREA ELECTRONICS TELECOMM18 citations82
US6606394B1Aug 12, 2003
Surface inspecting apparatus and method therefor
KOREA ELECTRONICS TELECOMM10 citations73
US6665437B1Dec 16, 2003
Method for recognizing multi-language printed documents using strokes and non-strokes of characters
KOREA ELECTRONICS TELECOMM4 citations61
US9208399B2Dec 8, 2015
Method of extracting visual descriptor using feature selection and system for the same
KOREA ELECTRONICS TELECOMM0 citations39
US8009859B2Aug 30, 2011
Method and systems for selecting test stimuli for use in evaluating performance of video watermarking methods
KOREA ELECTRONICS TELECOMM0 citations36
US8379910B2Feb 19, 2013
Image signature creating method and apparatus for discriminating still images
KOREA ELECTRONICS TELECOMM0 citations33
ELECTRONICS & TELECOMMUNICATIONS RES INST
7 patentsUS9606975B2Mar 28, 2017
Apparatus and method for automatically generating visual annotation based on visual language
ELECTRONICS & TELECOMMUNICATIONS RES INST8 citations81
US10546209B2Jan 28, 2020
Machine learning method and apparatus
ELECTRONICS & TELECOMMUNICATIONS RES INST5 citations70
US9972080B2May 15, 2018
Apparatus and method for food search service
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations70
US11341183B2May 24, 2022
Apparatus and method for searching for building based on image and method of constructing building search database for image-based building search
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations49
US9424466B2Aug 23, 2016
Shoe image retrieval apparatus and method using matching pair
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations49
US9760795B2Sep 12, 2017
Method and apparatus for extracting image feature
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations46
US10430459B2Oct 1, 2019
Server and method for providing city street search service
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations39