Inventor · Suwon-si, KR

Woo-jin Han

259Patents
17h-index
46Co-inventors
82Inventor score

Filing activity: Jul 16, 2004 → Nov 19, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8005137B2 Video coding and decoding method using weighted prediction and apparatus for the same Electricity 33 Active
US9554138B2 Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging Electricity 32 Active
US8885727B2 Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging Electricity 30 Active
US8798159B2 Method and apparatus for encoding video and method and apparatus for decoding video, based on hierarchical structure of coding unit Electricity 30 Active
US7292165B2 Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same Electricity 29 Expired
US8537897B2 Method and apparatus for encoding/decoding motion vector Electricity 27 Active
US7903735B2 Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same Electricity 27 Active
US7881387B2 Apparatus and method for adjusting bitrate of coded scalable bitsteam based on multi-layer Electricity 26 Active
US8116578B2 Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer Electricity 24 Active
US7348903B2 Method and apparatus for enhancing performance of entropy coding, and video coding method and apparatus using the entropy coding performance enhancing method Electricity 22 Active
US9300957B2 Video encoding method for encoding hierarchical-structure symbols and a device therefor, and video decoding method for decoding hierarchical-structure symbols and a device therefor Electricity 19 Active
US8542750B2 Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the same Electricity 18 Active
US9712822B2 Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units Electricity 18 Active
US8385420B2 Method and apparatus for estimating motion vector using plurality of motion vector predictors, encoder, decoder, and decoding method Electricity 18 Active
US8311118B2 Method and apparatus for encoding/decoding motion vector Electricity 18 Active
US8208557B2 Video encoding and decoding method and apparatus using weighted prediction Electricity 17 Active
US8594183B2 Method and apparatus for decoding video according to individual parsing or decoding in data unit level, and method and apparatus for encoding video for individual parsing or decoding in data unit level Electricity 17 Active
US8792741B2 Method and apparatus for encoding and decoding image by using large transformation unit Electricity 17 Active
US8351502B2 Method and apparatus for adaptively selecting context model for entropy coding Electricity 15 Active
US8223843B2 Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition Electricity 14 Active
US8995529B2 Method and apparatus for encoding and decoding motion vector by predicting motion vector according to mode Electricity 14 Active
US8369410B2 Method and apparatus for encoding/decoding motion vector Electricity 14 Active
US7889793B2 Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer Electricity 14 Active
US7933456B2 Multi-layer video coding and decoding methods and multi-layer video encoder and decoder Electricity 13 Active
US8204320B2 Method and apparatus for encoding and decoding image by using large transformation unit Electricity 13 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.