Choi; Hae-Chul

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choi; Hae-Chul.The latest application filed is for "block form-based prediction method and device".

Company Profile

36.64.95

Choi; Hae-Chul - Daejeon KR
- Daejeon KR
CHOI; Hae Chul - Daejeon-si KR
Choi; Hae-Chul - Daejon N/A KR
Choi; Hae-Chul - Daejeon-city 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

Patent	Date
Block Form-based Prediction Method And Device App 20220166977 - Lee; Jin-Ho ; et al.	2022-05-26
Image Encoder And Decoder Using Unidirectional Prediction App 20220159270 - CHOI; Hae Chul ; et al.	2022-05-19
Image Encoding/decoding Method And Device, And Recording Medium Having Bitstream Stored Therein App 20220150511 - LEE; Ha Hyun ; et al.	2022-05-12
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 11,330,274 - Jeong , et al. May 10, 2	2022-05-10
Apparatus For Encoding And Decoding Feature Map And Method Using The Same App 20220108127 - CHOI; Hae-Chul ; et al.	2022-04-07
Block form-based prediction method and device Grant 11,284,076 - Lee , et al. March 22, 2	2022-03-22
Image encoder and decoder using unidirectional prediction Grant 11,277,622 - Choi , et al. March 15, 2	2022-03-15
Bidirectional Intra Prediction Method And Apparatus App 20220078485 - KO; Hyunsuk ; et al.	2022-03-10
Image Encoding/decoding Method And Apparatus, And Recording Medium Storing Bitstream App 20220060714 - LEE; Ha Hyun ; et al.	2022-02-24
Intra Prediction Mode Encoding/decoding Method And Apparatus App 20220038712 - LEE; Jin Ho ; et al.	2022-02-03
Adaptive Image Encoding Device And Method App 20220021873 - LIM; Sung Chang ; et al.	2022-01-20
Video Encoding/decoding Method And Apparatus, And Recording Medium In Which Bit Stream Is Stored App 20220014736 - LEE; Jin Ho ; et al.	2022-01-13
Adaptive Image Encoding Device And Method App 20210409687 - LIM; Sung Chang ; et al.	2021-12-30
Bidirectional intra prediction method and apparatus Grant 11,212,553 - Ko , et al. December 28, 2	2021-12-28
Apparatus And Method For Coding/decoding Image Selectively Using Discrete Cosine/sine Transform App 20210375007 - LIM; Sung Chang ; et al.	2021-12-02
Method And Device For Encoding/decoding Image, And Recording Medium For Storing Bitstream App 20210377526 - LEE; Ha Hyun ; et al.	2021-12-02
Apparatus and method for coding/decoding image selectively using discrete cosine/sine transform Grant 11,176,711 - Lim , et al. November 16, 2	2021-11-16
Intra prediction mode encoding/decoding method and apparatus Grant 11,172,206 - Lee , et al. November 9, 2	2021-11-09
Video Encoding/decoding Method And Device, And Recording Medium For Storing Bitstream App 20210297658 - LEE; Ha Hyun ; et al.	2021-09-23
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20210218973 - JEONG; Se-Yoon ; et al.	2021-07-15
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20210218972 - JEONG; Se-Yoon ; et al.	2021-07-15
Video Encoding/decoding Method And Apparatus, And Recording Medium In Which Bit Stream Is Stored App 20210195188 - LEE; Jin Ho ; et al.	2021-06-24
Image Encoding/decoding Apparatus And Method App 20210185349 - CHOI; Hae-Chul ; et al.	2021-06-17
Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored Grant 11,039,130 - Lee , et al. June 15, 2	2021-06-15
Image Encoder And Decoder Using Unidirectional Prediction App 20210127121 - CHOI; Hae Chul ; et al.	2021-04-29
Image encoding/decoding apparatus and method Grant 10,965,953 - Choi , et al. March 30, 2	2021-03-30
Image encoding/decoding apparatus and method Grant 10,965,952 - Choi , et al. March 30, 2	2021-03-30
Image encoding/decoding apparatus and method Grant 10,958,933 - Choi , et al. March 23, 2	2021-03-23
Image encoder and decoder using unidirectional prediction Grant 10,917,647 - Choi , et al. February 9, 2	2021-02-09
Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored Grant 10,911,756 - Lee , et al. February 2, 2	2021-02-02
Bidirectional Intra Prediction Method And Apparatus App 20200366931 - KO; Hyunsuk ; et al.	2020-11-19
Image encoding/decoding apparatus and method Grant 10,798,409 - Choi , et al. October 6, 2	2020-10-06
Adaptive Image Encoding Device And Method App 20200304781 - Lim; Sung Chang ; et al.	2020-09-24
Image encoder and decoder using unidirectional prediction Grant 10,742,996 - Choi , et al. A	2020-08-11
Intra Prediction Mode Encoding/decoding Method And Apparatus App 20200252620 - Kind Code	2020-08-06
Adaptive image encoding device and method Grant 10,728,541 - Lim , et al.	2020-07-28
Image Encoder And Decoder Using Unidirectional Prediction App 20200221101 - CHOI; Hae Chul ; et al.	2020-07-09
Adaptive image encoding device and method Grant 10,708,580 - Lim , et al.	2020-07-07
Intra prediction mode encoding/decoding method and apparatus Grant 10,666,950 - Lee , et al.	2020-05-26
Image encoder and decoder using unidirectional prediction Grant 10638138 -	2020-04-28
Prediction Method And Device Using Reference Block App 20200084441 - LEE; Jin-Ho ; et al.	2020-03-12
Video Encoding/decoding Method And Apparatus, And Recording Medium In Which Bit Stream Is Stored App 20200053359 - LEE; Jin Ho ; et al.	2020-02-13
Image Encoding/decoding Apparatus And Method App 20200045334 - CHOI; Hae-Chul ; et al.	2020-02-06
Image Encoding/decoding Apparatus And Method App 20200045332 - CHOI; Hae-Chul ; et al.	2020-02-06
Image Encoding/decoding Apparatus And Method App 20200045331 - CHOI; Hae-Chul ; et al.	2020-02-06
Image Encoding/decoding Apparatus And Method App 20200045333 - CHOI; Hae-Chul ; et al.	2020-02-06
Block Form-based Prediction Method And Device App 20200029077 - LEE; Jin-Ho ; et al.	2020-01-23
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 10,499,064 - Jeong , et al. De	2019-12-03
Method And Device For Simplifying The Encoding And Decoding Of Ultra-high Definition Images App 20190364294 - LIM; Sung Chang ; et al.	2019-11-28
Image encoding/decoding apparatus and method Grant 10,484,706 - Choi , et al. Nov	2019-11-19
Motion picture encoding apparatus and method thereof Grant 10,469,840 - Lim , et al. No	2019-11-05
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20190297331 - JEONG; Se-Yoon ; et al.	2019-09-26
Adaptive image encoding device and method Grant 10,419,752 - Lim , et al. Sept	2019-09-17
Image Encoder And Decoder Using Unidirectional Prediction App 20190281305 - CHOI; Hae Chul ; et al.	2019-09-12
Image Encoder And Decoder Using Unidirectional Prediction App 20190261004 - CHOI; Hae Chul ; et al.	2019-08-22
Video Encoding/decoding Method And Apparatus, And Recording Medium In Which Bit Stream Is Stored App 20190238841 - LEE; Jin Ho ; et al.	2019-08-01
Image encoder and decoder using unidirectional prediction Grant 10,321,137 - Choi , et al.	2019-06-11
Image Encoding/decoding Apparatus And Method App 20190141347 - CHOI; Hae-Chul ; et al.	2019-05-09
Image encoding/decoding apparatus and method Grant 10,212,448 - Choi , et al. Feb	2019-02-19
Image encoder and decoder using unidirectional prediction Grant 10,178,393 - Choi , et al. J	2019-01-08
Adaptive Image Encoding Device And Method App 20180234678 - LIM; Sung Chang ; et al.	2018-08-16
Motion Picture Encoding Apparatus And Method Thereof App 20180213227 - LIM; Sung-Chang ; et al.	2018-07-26
Intra Prediction Mode Encoding/decoding Method And Device App 20180199040 - LEE; Jin Ho ; et al.	2018-07-12
Motion picture encoding apparatus and method thereof Grant 9,961,344 - Lim , et al. May 1, 2	2018-05-01
Intra prediction mode encoding/decoding method and apparatus Grant 9,955,169 - Lee , et al. April 24, 2	2018-04-24
Image encoder and decoder using unidirectional prediction Grant 9,942,554 - Choi , et al. April 10, 2	2018-04-10
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20180041763 - JEONG; Se-Yoon ; et al.	2018-02-08
Method And Device For Simplifying The Encoding And Decoding Of Ultra-high Definition Images App 20180014026 - LIM; Sung Chang ; et al.	2018-01-11
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 9,819,942 - Jeong , et al. November 14, 2	2017-11-14
Method and device for simplifying encoding and decoding of ultra-high definition images Grant 9,794,556 - Lim , et al. October 17, 2	2017-10-17
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 9,736,484 - Jeong , et al. August 15, 2	2017-08-15
Image Encoding/decoding Apparatus And Method App 20170164001 - CHOI; Hae-Chul ; et al.	2017-06-08
Image encoding/decoding apparatus and method Grant 9,602,832 - Choi , et al. March 21, 2	2017-03-21
Image Encoder And Decoder Using Unidirectional Prediction App 20170026642 - CHOI; Hae Chul ; et al.	2017-01-26
Image Encoder And Decoder Using Unidirectional Prediction App 20170026652 - CHOI; Hae Chul ; et al.	2017-01-26
Motion Picture Encoding Apparatus And Method Thereof App 20160337643 - LIM; Sung-Chang ; et al.	2016-11-17
Image Encoder And Decoder Using Unidirectional Prediction App 20160309146 - CHOI; Hae Chul ; et al.	2016-10-20
Motion picture encoding apparatus and method thereof Grant 9,432,697 - Lim , et al. August 30, 2	2016-08-30
Image encoder and decoder using undirectional prediction Grant 9,407,937 - Choi , et al. August 2, 2	2016-08-02
Motion Picture Encoding Apparatus And Method Thereof App 20160173909 - LIM; Sung-Chang ; et al.	2016-06-16
Image encoder and decoder using undirectional prediction Grant 9,369,737 - Choi , et al. June 14, 2	2016-06-14
Method and apparatus for video-encoding/decoding using filter information prediction Grant 9,363,533 - Lim , et al. June 7, 2	2016-06-07
Image encoding/decoding apparatus and method Grant 9,363,528 - Choi , et al. June 7, 2	2016-06-07
Image encoder and decoder using undirectional prediction Grant 9,332,282 - Choi , et al. May 3, 2	2016-05-03
Image encoder and decoder using undirectional prediction Grant 9,332,281 - Choi , et al. May 3, 2	2016-05-03
Motion picture encoding apparatus and method thereof Grant 9,282,342 - Lim , et al. March 8, 2	2016-03-08
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 9,225,982 - Jeong , et al. December 29, 2	2015-12-29
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20150358620 - Jeong; Se-Yoon ; et al.	2015-12-10
Motion Picture Encoding Apparatus And Method Thereof App 20150350683 - Lim; Sung-Chang ; et al.	2015-12-03
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20150350658 - Jeong; Se-Yoon ; et al.	2015-12-03
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 9,154,784 - Jeong , et al. October 6, 2	2015-10-06
Motion picture encoding apparatus and method thereof Grant 9,148,662 - Lim , et al. September 29, 2	2015-09-29
Motion picture encoding apparatus and method thereof Grant 8,989,262 - Lim , et al. March 24, 2	2015-03-24
Image Encoding/decoding Apparatus And Method App 20150078453 - CHOI; Hae-Chul ; et al.	2015-03-19
Image Encoding/decoding Apparatus And Method App 20150078452 - CHOI; Hae-Chul ; et al.	2015-03-19
Image encoding/decoding apparatus and method Grant 8,953,686 - Choi , et al. February 10, 2	2015-02-10
Image Encoder And Decoder Using Undirectional Prediction App 20140362913 - CHOI; Hae Chul ; et al.	2014-12-11
Image Encoder And Decoder Using Undirectional Prediction App 20140362914 - CHOI; Hae Chul ; et al.	2014-12-11
Image Encoder And Decoder Using Undirectional Prediction App 20140362916 - CHOI; Hae Chul ; et al.	2014-12-11
Image Encoder And Decoder Using Undirectional Prediction App 20140362915 - CHOI; Hae Chul ; et al.	2014-12-11
Intra Prediction Mode Encoding/decoding Method And Apparatus App 20140334543 - Lee; Jin Ho ; et al.	2014-11-13
Image encoder and decoder using undirectional prediction Grant 8,867,854 - Choi , et al. October 21, 2	2014-10-21
Super Macro Block Based Intra Coding Method And Apparatus App 20140205006 - Jeong; Se Yoon ; et al.	2014-07-24
Method and apparatus for selective inter-layer prediction on macroblock basis Grant 8,693,549 - Choi , et al. April 8, 2	2014-04-08
Apparatus And Method For Coding/decoding Image Selectively Using Discrete Cosine/sine Transform App 20140044367 - Lim; Sung Chang ; et al.	2014-02-13
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20140037000 - Jeong; Se-Yoon ; et al.	2014-02-06
Motion Picture Encoding Apparatus And Method Thereof App 20140036994 - Lim; Sung-Chang ; et al.	2014-02-06
Adaptive Image Encoding Device And Method App 20140010283 - LIM; Sung Chang ; et al.	2014-01-09
Scalable video encoding and decoding method using switching pictures and apparatus thereof Grant 8,619,854 - Choi , et al. December 31, 2	2013-12-31
Scalable video encoding and decoding method using switching pictures and apparatus thereof Grant 08619854 -	2013-12-31
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20130343452 - Jeong; Se-Yoon ; et al.	2013-12-26
Method For Encoding And Decoding Images Using Plurality Of Reference Images And Device Using Method App 20130322535 - Lim; Sung Chang ; et al.	2013-12-05
Multi-dimensional and multi-stage transforming apparatus and method Grant 8,582,657 - Jeong , et al. November 12, 2	2013-11-12
Image Encoder And Decoder Using Undirectional Prediction App 20130272395 - CHOI; Hae Chul ; et al.	2013-10-17
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor Grant 8,548,060 - Jeong , et al. October 1, 2	2013-10-01
Device For Encoding Ultra-high Definition Image And Method Thereof, And Decoding Device And Method Thereof App 20130243089 - Lim; Sung Chang ; et al.	2013-09-19
Method And Apparatus For Entropy Encoding/decoding App 20130188740 - Lim; Sung Chang ; et al.	2013-07-25
Method And Apparatus For Video-encoding/decoding Using Filter Information Prediction App 20130182779 - Lim; Sung Chang ; et al.	2013-07-18
Apparatus and method of embedded quantization for the improved SNR scalbility Grant 8,428,380 - Choi , et al. April 23, 2	2013-04-23
Method of redundant picture coding using polyphase downsampling and the codec using the method Grant 8,422,810 - Choi , et al. April 16, 2	2013-04-16
Motion Picture Encoding Apparatus And Method Thereof App 20130070845 - Lim; Sung-Chang ; et al.	2013-03-21
Image encoder and decoder using unidirectional prediction Grant 8,363,965 - Choi , et al. January 29, 2	2013-01-29
Video Encoding/decoding Method And Device App 20120275513 - Jeong; Se Yoon ; et al.	2012-11-01
Adaptive Image Encoding Device And Method App 20120263229 - Lim; Sung Chang ; et al.	2012-10-18
Image Encoder And Decoder Using Unidirectional Prediction App 20120020579 - Choi; Hae Chul ; et al.	2012-01-26
Super Macro Block Based Intra Coding Method And Apparatus App 20110292999 - JEONG; Se Yoon ; et al.	2011-12-01
Apparatus And Method For Coding/decoding Image Selectivly Using Descrete Cosine/sine Transtorm App 20110286516 - Lim; Sung-Chang ; et al.	2011-11-24
Filter And Filtering Method For Deblocking Of Intra Macroblock App 20110188581 - Choi; Hae-Chul ; et al.	2011-08-04
Scalable Video Encoding And Decoding Method Using Switching Pictures And Apparatus Thereof App 20110150084 - Choi; Hae-Chul ; et al.	2011-06-23
Image Encoding/decoding Apparatus And Method App 20110150095 - Choi; Hae-Chul ; et al.	2011-06-23
Method Of Filtering Restored Image Using Plurality Of Filters And Encoding/decoding Apparatus And Method Using Filtering Method App 20100322526 - LEE; Hahyun ; et al.	2010-12-23
Apparatus For Encoding And Decoding Image Using Adaptive Dct Coefficient Scanning Based On Pixel Similarity And Method Therefor App 20100284459 - Jeong; Se-Yoon ; et al.	2010-11-11
Method For Reducing Arbitrary-ratio Up-sampling Operation Using Context Of Macroblock, And Method And Apparatus For Encoding/decoding By Using The Same App 20100202511 - Shin; Il Hong ; et al.	2010-08-12
Color Video Scalability Encoding And Decoding Method And Device Thereof App 20100202512 - Choi; Hae-Chul ; et al.	2010-08-12
Multi-dimensional And Multi-stage Transforming Apparatus And Method App 20100046613 - Jeong; Se-Yoon ; et al.	2010-02-25
Scalable Video Coding Encoder With Adaptive Reference Fgs And Fgs Motion Refinement Mechanism And Method Thereof App 20100046620 - Kang; Jung-Won ; et al.	2010-02-25
Method And Apparatus For Selective Inter-layer Prediction On Macroblock Basis App 20090252220 - Choi; Hae-Chul ; et al.	2009-10-08
Apparatus And Method For Encoding And Decoding Using Alternative Converter Accoding To The Correlation Of Residual Signal App 20090238271 - Kim; Dae-Yeon ; et al.	2009-09-24
Method Of Scalable Video Coding For Varying Spatial Scalability Of Bitstream In Real Time And A Codec Using The Same App 20090161762 - Jun; Dong-San ; et al.	2009-06-25
Method of Redundant Picture Coding Using Polyphase Downsampling and the Codes Using the Method App 20080199094 - Choi; Hae Chul ; et al.	2008-08-21
Apparatus and Method of Embedded Quantization for the Improved Snr Scalbility App 20080193033 - Choi; Hae Chul ; et al.	2008-08-14