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name:-0.052970170974731
name:-0.020565032958984
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Cha; Sang-chang Patent Filings

Cha; Sang-chang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cha; Sang-chang.The latest application filed is for "method and apparatus for effectively compressing motion vectors in video coder based on multi-layer".

Company Profile
0.27.53
  • Cha; Sang-chang - Hwaseong-si KR
  • Cha; Sang-chang - Suwon-si KR
  • Cha; Sang-chang - Gyeonggi-do KR
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Method and apparatus for encoding/decoding multi-layer video using weighted prediction
Grant 8,817,872 - Lee , et al. August 26, 2
2014-08-26
Method and apparatus for effectively compressing motion vectors in multi-layer structure
Grant 8,559,520 - Ha , et al. October 15, 2
2013-10-15
Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the same
Grant 8,542,750 - Cha , et al. September 24, 2
2013-09-24
Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer
Grant 8,520,962 - Han , et al. August 27, 2
2013-08-27
Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same
Grant 8,446,952 - Cha , et al. May 21, 2
2013-05-21
Color space scalable video coding and decoding method and apparatus for the same
Grant 8,411,753 - Cha , et al. April 2, 2
2013-04-02
Method and apparatus for adaptively selecting context model for entropy coding
Grant 8,351,502 - Lee , et al. January 8, 2
2013-01-08
Video decoding method and video decoder based on motion-vector data and transform coefficients data
Grant 8,326,060 - Ahn , et al. December 4, 2
2012-12-04
Method And Apparatus For Effectively Compressing Motion Vectors In Video Coder Based On Multi-layer
App 20120189061 - HAN; Woo-jin ;   et al.
2012-07-26
Method Of Effectively Predicting Multi-layer Based Video Frame, And Video Coding Method And Apparatus Using The Same
App 20120183062 - CHA; Sang-chang ;   et al.
2012-07-19
Method And Apparatus For Encoding And Decoding Video Signal According To Directional Intra Residual Prediction
App 20120114038 - HAN; Woo-jin ;   et al.
2012-05-10
Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same
Grant 8,165,207 - Cha , et al. April 24, 2
2012-04-24
Method And Apparatus For Effectively Compressing Motion Vectors In Multi-layer Structure
App 20120039387 - HA; Ho-Jin ;   et al.
2012-02-16
Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer
Grant 8,116,578 - Han , et al. February 14, 2
2012-02-14
Method and apparatus for encoding and decoding video signal according to directional intra-residual prediction
Grant 8,111,745 - Han , et al. February 7, 2
2012-02-07
Method for compressing/decompressing motion vectors of unsynchronized picture and apparatus using the same
Grant 8,085,847 - Lee , et al. December 27, 2
2011-12-27
Method and apparatus for effectively compressing motion vectors in multi-layer structure
Grant 8,040,950 - Ha , et al. October 18, 2
2011-10-18
Method Of Effectively Predicting Multi-layer Based Video Frame, And Video Coding Method And Apparatus Using The Same
App 20110164680 - Cha; Sang-chang ;   et al.
2011-07-07
Inter-frame prediction method in video coding, video encoder, video decoding method, and video decoder
Grant 7,944,975 - Cha May 17, 2
2011-05-17
Method And Apparatus For Effectively Compressing Motion Vectors In Video Coder Based On Multi-layer
App 20110110432 - HAN; Woo-jin ;   et al.
2011-05-12
Multi-layer video coding and decoding methods and multi-layer video encoder and decoder
Grant 7,933,456 - Han , et al. April 26, 2
2011-04-26
Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same
Grant 7,903,735 - Cha , et al. March 8, 2
2011-03-08
Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer
Grant 7,889,793 - Han , et al. February 15, 2
2011-02-15
Apparatus and method for adjusting bitrate of coded scalable bitsteam based on multi-layer
Grant 7,881,387 - Han , et al. February 1, 2
2011-02-01
Method and apparatus for predecoding hybrid bitstream
Grant 7,839,929 - Han , et al. November 23, 2
2010-11-23
MPEG video decoding method and MPEG video decoder using results from analysis of motion-vector data and DCT coefficients
Grant 7,813,569 - Ahn , et al. October 12, 2
2010-10-12
Mpeg Video Decoding Method And Mpeg Video Decoder
App 20080317133 - AHN; Jong-hak ;   et al.
2008-12-25
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
Grant 7,292,165 - Cha , et al. November 6, 2
2007-11-06
Color space scalable video coding and decoding method and apparatus for the same
App 20070065005 - Cha; Sang-chang ;   et al.
2007-03-22
Method and apparatus for encoding and decoding video signal according to directional intra-residual prediction
App 20070025439 - Han; Woo-jin ;   et al.
2007-02-01
Deblocking filtering method considering intra-BL mode and multilayer video encoder/decoder using the same
App 20070025448 - Cha; Sang-chang ;   et al.
2007-02-01
Method and apparatus for encoding and decoding video signal by extending application of directional intra-prediction
App 20070019726 - Cha; Sang-chang ;   et al.
2007-01-25
Dequantization method and apparatus, and video decoding method and apparatus using the dequantization method
App 20070019879 - Han; Woo-Jin ;   et al.
2007-01-25
Method and apparatus for encoding/decoding multi-layer video using weighted prediction
App 20060245498 - Lee; Kyo-hyuk ;   et al.
2006-11-02
Video coding method and apparatus supporting fast fine granular scalability
App 20060245495 - Han; Woo-jin ;   et al.
2006-11-02
Method for entropy coding and decoding having improved coding efficiency and apparatus for providing the same
App 20060232452 - Cha; Sang-chang
2006-10-19
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
App 20060232454 - Cha; Sang-chang ;   et al.
2006-10-19
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
App 20060233240 - Cha; Sang-chang ;   et al.
2006-10-19
Method and apparatus for adaptively selecting context model for entropy coding
App 20060233254 - Lee; Bae-keun ;   et al.
2006-10-19
Method and apparatus for encoding and decoding video signals in intra-base-layer prediction mode by selectively applying intra-coding
App 20060233250 - Cha; Sang-chang ;   et al.
2006-10-19
Method for compressing/decompressing motion vectors of unsynchronized picture and apparatus using the same
App 20060221418 - Lee; Kyo-hyuk ;   et al.
2006-10-05
Video encoding/decoding method and apparatus using motion prediction between temporal levels
App 20060209961 - Han; Woo-jin ;   et al.
2006-09-21
Color space scalable video coding and decoding method and apparatus for the same
App 20060197777 - Cha; Sang-chang ;   et al.
2006-09-07
Method and apparatus for encoding/decoding and referencing virtual area image
App 20060182315 - Cha; Sang-chang
2006-08-17
Method and apparatus for compressing multi-layered motion vector
App 20060176957 - Han; Woo-jin ;   et al.
2006-08-10
Video coding method and apparatus for efficiently predicting unsynchronized frame
App 20060165301 - Cha; Sang-Chang ;   et al.
2006-07-27
Multilayer video encoding/decoding method using residual re-estimation and apparatus using the same
App 20060165304 - Lee; Bae-keun ;   et al.
2006-07-27
Method of multi-layer based scalable video encoding and decoding and apparatus for the same
App 20060165302 - Han; Woo-Jin ;   et al.
2006-07-27
Video coding method and apparatus for efficiently predicting unsynchronized frame
App 20060165303 - Cha; Sang-chang ;   et al.
2006-07-27
Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same
App 20060165171 - Cha; Sang-chang ;   et al.
2006-07-27
Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the same
App 20060146941 - Cha; Sang-chang ;   et al.
2006-07-06
Method and apparatus for encoding/decoding multi-layer video using DCT upsampling
App 20060120448 - Han; Woo-jin ;   et al.
2006-06-08
Method and apparatus for multi-layered video encoding and decoding
App 20060120450 - Han; Woo-jin ;   et al.
2006-06-08
Multi-layer video coding and decoding methods and multi-layer video encoder and decoder
App 20060114999 - Han; Woo-jin ;   et al.
2006-06-01
Multi-layered intra-prediction method and video coding method and apparatus using the same
App 20060104354 - Han; Woo-jin ;   et al.
2006-05-18
Video coding method and apparatus
App 20060088096 - Han; Woo-jin ;   et al.
2006-04-27
Method and apparatus for effectively encoding multi-layered motion vectors
App 20060088102 - Lee; Kyo-hyuk ;   et al.
2006-04-27
Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer
App 20060088101 - Han; Woo-jin ;   et al.
2006-04-27
Video coding method and apparatus supporting temporal scalability
App 20060088100 - Han; Woo-jin ;   et al.
2006-04-27
Apparatus and method for adjusting bitrate of coded scalable bitsteam based on multi-layer
App 20060083303 - Han; Woo-jin ;   et al.
2006-04-20
Method and apparatus for predecoding hybrid bitstream
App 20060083302 - Han; Woo-Jin ;   et al.
2006-04-20
Video coding and decoding methods using interlayer filtering and video encoder and decoder using the same
App 20060083300 - Han; Woo-jin ;   et al.
2006-04-20
Video encoding and decoding methods and video encoder and decoder
App 20060008006 - Cha; Sang-chang ;   et al.
2006-01-12
Inter-frame prediction method in video coding, video encoder, video decoding method, and video decoder
App 20050232359 - Cha, Sang-chang
2005-10-20
Method and apparatus for supporting motion scalability
App 20050226335 - Lee, Bae-keun ;   et al.
2005-10-13
Method and apparatus for effectively compressing motion vectors in multi-layer structure
App 20050220190 - Ha, Ho-Jin ;   et al.
2005-10-06
Method and apparatus for encoding moving picture using fast motion estimation algorithm
App 20050207494 - Ahn, Jong-hak ;   et al.
2005-09-22
Scalable video coding method supporting variable GOP size and scalable video encoder
App 20050195897 - Cha, Sang-chang
2005-09-08
Method and apparatus for scalable video coding and decoding
App 20050169549 - Cha, Sang-chang ;   et al.
2005-08-04
Method and apparatus for pitcure compression using variable block of arbitrary size
App 20050129125 - Cha, Sang-chang ;   et al.
2005-06-16
Method and apparatus for motion estimation using variable block size of hierarchy structure
App 20050114093 - Cha, Sang-chang ;   et al.
2005-05-26
High-speed inverse discrete cosine transformation method and apparatus
App 20040133613 - Cha, Sang-Chang ;   et al.
2004-07-08
MPEG video decoding method and MPEG video decoder
App 20040105498 - Ahn, Jong-hak ;   et al.
2004-06-03
Method and apparatus for performing inverse discrete cosine transform
App 20040096116 - Cha, Sang-Chang ;   et al.
2004-05-20

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