Inventor · disambiguated record
Sang-Chang Cha
Also filed as: CHA SANG-CHANG
21 granted patents·31 pending applications·311 citations·filing 2003–2012
95Inventor score
Top patents by PatentIndex Score
52 records- 0197US7903735B2Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Mar 8, 2011·38 cites·25 claims
- 0297US7881387B2Apparatus and method for adjusting bitrate of coded scalable bitsteam based on multi-layerSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Feb 1, 2011·42 cites·20 claims
- 0397US7292165B2Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the sameSAMSUNG ELCTRONICS CO LTD·Filed 2006·Granted Nov 6, 2007·51 cites·60 claims
- 0496US8116578B2Method and apparatus for effectively compressing motion vectors in video coder based on multi-layerHAN WOO-JIN·Filed 2011·Granted Feb 14, 2012·27 cites·1 claims
- 0594US7933456B2Multi-layer video coding and decoding methods and multi-layer video encoder and decoderSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Apr 26, 2011·23 cites·16 claims
- 0694US7889793B2Method and apparatus for effectively compressing motion vectors in video coder based on multi-layerSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Feb 15, 2011·19 cites·21 claims
- 0793US8411753B2Color space scalable video coding and decoding method and apparatus for the sameCHA SANG-CHANG·Filed 2006·Granted Apr 2, 2013·23 cites·16 claims
- 0893US8351502B2Method and apparatus for adaptively selecting context model for entropy codingSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Jan 8, 2013·20 cites·72 claims
- 0990US7944975B2Inter-frame prediction method in video coding, video encoder, video decoding method, and video decoderSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted May 17, 2011·16 cites·7 claims
- 1089US8542750B2Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the sameCHA SANG-CHANG·Filed 2006·Granted Sep 24, 2013·18 cites·29 claims
- 1184US8111745B2Method and apparatus for encoding and decoding video signal according to directional intra-residual predictionHAN WOO-JIN·Filed 2006·Granted Feb 7, 2012·7 cites·38 claims
- 1283US8165207B2Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the sameCHA SANG-CHANG·Filed 2011·Granted Apr 24, 2012·4 cites·31 claims
- 1382US8040950B2Method and apparatus for effectively compressing motion vectors in multi-layer structureSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Oct 18, 2011·6 cites·22 claims
- 1476US8520962B2Method and apparatus for effectively compressing motion vectors in video coder based on multi-layerHAN WOO-JIN·Filed 2012·Granted Aug 27, 2013·2 cites·5 claims
- 1576US8085847B2Method for compressing/decompressing motion vectors of unsynchronized picture and apparatus using the sameLEE KYO-HYUK·Filed 2006·Granted Dec 27, 2011·4 cites·26 claims
- 1675US8817872B2Method and apparatus for encoding/decoding multi-layer video using weighted predictionLEE KYO-HYUK·Filed 2006·Granted Aug 26, 2014·4 cites·20 claims
- 1774US8559520B2Method and apparatus for effectively compressing motion vectors in multi-layer structureHA HO-JIN·Filed 2011·Granted Oct 15, 2013·2 cites·2 claims
- 1874US7839929B2Method and apparatus for predecoding hybrid bitstreamSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Nov 23, 2010·3 cites·7 claims
- 1956US8446952B2Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the sameCHA SANG-CHANG·Filed 2012·Granted May 21, 2013·0 cites·18 claims
- 2054US7813569B2MPEG video decoding method and MPEG video decoder using results from analysis of motion-vector data and DCT coefficientsSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Oct 12, 2010·2 cites·6 claims
- 2153US2007065005A1Color space scalable video coding and decoding method and apparatus for the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2252US2006165303A1Video coding method and apparatus for efficiently predicting unsynchronized frameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2352US2012114038A1Method and apparatus for encoding and decoding video signal according to directional intra residual predictionHAN WOO-JIN·Filed 2012·Application pending·0 cites
- 2451US8326060B2Video decoding method and video decoder based on motion-vector data and transform coefficients dataAHN JONG-HAK·Filed 2008·Granted Dec 4, 2012·0 cites·11 claims
- 2551US2006088096A1Video coding method and apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 2647US2007025448A1Deblocking filtering method considering intra-BL mode and multilayer video encoder/decoder using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2747US2006182315A1Method and apparatus for encoding/decoding and referencing virtual area imageSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2847US2007019879A1Dequantization method and apparatus, and video decoding method and apparatus using the dequantization methodSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2947US2007019726A1Method and apparatus for encoding and decoding video signal by extending application of directional intra-predictionSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3046US2006232452A1Method for entropy coding and decoding having improved coding efficiency and apparatus for providing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3146US2005169549A1Method and apparatus for scalable video coding and decodingSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 3246US2006245495A1Video coding method and apparatus supporting fast fine granular scalabilitySAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3346US2006165301A1Video coding method and apparatus for efficiently predicting unsynchronized frameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3446US2006209961A1Video encoding/decoding method and apparatus using motion prediction between temporal levelsSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3546US2006233250A1Method and apparatus for encoding and decoding video signals in intra-base-layer prediction mode by selectively applying intra-codingSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3646US2006233240A1Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3746US2006176957A1Method and apparatus for compressing multi-layered motion vectorSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3845US2005114093A1Method and apparatus for motion estimation using variable block size of hierarchy structureSAMSUNG ELECTRONICS CO LTD·Filed 2004·Application pending·0 cites
- 3945US2006120448A1Method and apparatus for encoding/decoding multi-layer video using DCT upsamplingSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4045US2005207494A1Method and apparatus for encoding moving picture using fast motion estimation algorithmSAMSUNG ELECTRONICS CO LTD·Filed 2004·Application pending·0 cites
- 4145US2006165302A1Method of multi-layer based scalable video encoding and decoding and apparatus for the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 4245US2005129125A1Method and apparatus for pitcure compression using variable block of arbitrary sizeSAMSUNG ELECTRONICS CO LTD·Filed 2004·Application pending·0 cites
- 4345US2006120450A1Method and apparatus for multi-layered video encoding and decodingSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4445US2006088102A1Method and apparatus for effectively encoding multi-layered motion vectorsSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4545US2006104354A1Multi-layered intra-prediction method and video coding method and apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4645US2006088100A1Video coding method and apparatus supporting temporal scalabilitySAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4745US2006165304A1Multilayer video encoding/decoding method using residual re-estimation and apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 4845US2006008006A1Video encoding and decoding methods and video encoder and decoderSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4944US2005226335A1Method and apparatus for supporting motion scalabilitySAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 5044US2005195897A1Scalable video coding method supporting variable GOP size and scalable video encoderSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →