Inventor
AHN CHANG-BEOM
KR28 patents
⚠️ This page may combine multiple inventors who share the name “AHN CHANG-BEOM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELECTRONICS & TELECOMMUNICATIONS RES INST
17 patentsUS10321137B2Jun 11, 2019
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST9 citations92
US9942554B2Apr 10, 2018
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST15 citations92
US9407937B2Aug 2, 2016
Image encoder and decoder using undirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST15 citations92
US11683502B2Jun 20, 2023
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations84
US10917647B2Feb 9, 2021
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations84
US10742996B2Aug 11, 2020
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST6 citations84
US10178393B2Jan 8, 2019
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST4 citations84
US12401799B2Aug 26, 2025
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations73
US12177453B2Dec 24, 2024
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations73
US11882292B2Jan 23, 2024
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations73
US11277622B2Mar 15, 2022
Image encoder and decoder using unidirectional prediction
ELECTRONICS & TELECOMMUNICATIONS RES INST3 citations73
US9736484B2Aug 15, 2017
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations73
US12439059B2Oct 7, 2025
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations63
US11949881B2Apr 2, 2024
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations63
US11330274B2May 10, 2022
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations63
US9819942B2Nov 14, 2017
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations63
US10499064B2Dec 3, 2019
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations52
KOREA ELECTRONICS TELECOMM
7 patentsUS8867854B2Oct 21, 2014
Image encoder and decoder using undirectional prediction
KOREA ELECTRONICS TELECOMM23 citations96
US8363965B2Jan 29, 2013
Image encoder and decoder using unidirectional prediction
KOREA ELECTRONICS TELECOMM25 citations92
US9369737B2Jun 14, 2016
Image encoder and decoder using undirectional prediction
KOREA ELECTRONICS TELECOMM0 citations63
US9154784B2Oct 6, 2015
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
KOREA ELECTRONICS TELECOMM1 citations63
US9332282B2May 3, 2016
Image encoder and decoder using undirectional prediction
KOREA ELECTRONICS TELECOMM0 citations52
US9332281B2May 3, 2016
Image encoder and decoder using undirectional prediction
KOREA ELECTRONICS TELECOMM0 citations52
US9225982B2Dec 29, 2015
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
KOREA ELECTRONICS TELECOMM0 citations52