Inventor
JOO SANGHYUN
KR12 patents
⚠️ This page may combine multiple inventors who share the name “JOO SANGHYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
5 patentsUS7343025B2Mar 11, 2008
Method for embedding and extracting digital watermark on lowest wavelet subband
KOREA ELECTRONICS TELECOMM29 citations90
US7092545B2Aug 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
US7292708B2Nov 6, 2007
Method for blindly embedding and extracting a watermark by using wavelet transform and an HVS model
KOREA ELECTRONICS TELECOMM17 citations82
US7302078B2Nov 27, 2007
Apparatus and method for preventing illegal distribution of digital contents by using a fingerprinting technique
KOREA ELECTRONICS TELECOMM2 citations62
CHOI BUM-SUK
2 patentsUS8712958B2Apr 29, 2014
Method and apparatus for representing sensory effects and computer readable recording medium storing user sensory preference metadata
CHOI BUM-SUK4 citations68
US8577203B2Nov 5, 2013
Sensory effect media generating and consuming method and apparatus thereof
CHOI BUM-SUK5 citations68