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500 patents · 1 standard · each reviewed by two analysts

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Patent No.TitleOwnerStandard§ SectionVerdict
US9172967B2Coding and decoding utilizing adaptive context model selection with zigzag scanGOOGLE TECHNOLOGY HOLDING LLCHEVC/H.2657.4, 8.6Unlock
US9154801B2Method and apparatus for diagonal scan and simplified coding of transform coefficientsTEXAS INSTRUMENT INCHEVC/H.2659.3, 8, 8.6, 8.6.2Unlock
US10104391B2System for nested entropy encodingDOLBY INTERNATIONAL AB ( NL )HEVC/H.265—Unlock
JP5996728B2Nested entropy encodingDOLBY INTERNATIONAL ABHEVC/H.2658.5, 8.5.3.2Unlock
EP2622577B1VIDEO CODING USING INTRA-PREDICTIONQUALCOMM INC ( US )HEVC/H.2656.3.3 6.4.2 7.3.8.6 8.4 8.4.1Unlock
US10965950B2Content adaptive deblocking during video encoding and decodingMICROSOFT TECHNOLOGY LICENSING LLC ( US )HEVC/H.2657.4, 8.7, 8.7.2Unlock
US2024333932A1Transform and quantization architecture for video coding and decodingTEXAS INSTRUMENT INC ( US )HEVC/H.265—Unlock
US8437401B2Refinement of motion vectors in hierarchical motion estimationAVAGO TECHNOLOGY INTERNATIONAL SALES PTE LTDHEVC/H.265—Unlock
US8848805B2Image coding method, image decoding method, image coding apparatus, and image decoding apparatusSUN PATENT TRUSTHEVC/H.2658, 8.5, 8.5.3, 7.3, 7.3.8Unlock
WO2012038938A1METHODS, APPARATUSES AND COMPUTER PROGRAMS FOR VIDEO CODINGNOKIA CORP ( FI )HEVC/H.265—Unlock
JP5389878B2Image predictive encoding device, image predictive decoding device, image predictive encoding method, image predictive decoding method, image predictive encoding program, and image predictive decoding programNTT POWER & BUILDING FACILITIES INC NIPPON TELEGRAPH & TELEPHONE CORPHEVC/H.2656.3.2, 8.4.2, 8.4.4Unlock
US9602813B2Image encoding/decoding device and method, and reference picture indexing device and methodSK TELECOM CO LTDHEVC/H.2658, 8.5.2, 8.5.3, 7.3.7Unlock
CN103069800BMethod and apparatus for encoding video, and decoding method and apparatus based on quantization parameterIDEAHUB INCHEVC/H.2657.4, 8.5, 8.6Unlock
EP2617199B1Methods and devices for data compression with adaptive filtering in the transform domainBLACKBERRY LTDHEVC/H.265—Unlock
US8780991B2Motion estimation in enhancement layers in video encodingTEXAS INSTRUMENT INCHEVC/H.265—Unlock
KR101968700B1Method for coding a sequence of digitized imagesSIEMENS AGHEVC/H.265—Unlock
US12167026B2Method for encoding and decoding video, and apparatus using sameLG ELECTRONIC INCHEVC/H.2658.3, 8.5.1, 8.5.2Unlock
US9667941B2Encoding device, encoding method, decoding device, and decoding methodSONY CORP ( JP )HEVC/H.2658, 8.5, 8.5.3 ,Annex I, 7.3.1, 7.3.3, Annex G, Annex HUnlock
KR102065000B1LOW COMPLEXITY TRANSFORM CODING USING ADAPTIVE DCT/DST FOR INTRA-PREDICTIONFERNANDES FELIX CARLOS ( US ),SAMSUNG ELECTRONIC CO LTD ,SAXENA ANKUR ( US )HEVC/H.265—Unlock
US8861618B2Deblocking filter and display device having the sameSAMSUNG ELECTRONIC CO LTDHEVC/H.265—Unlock
US10306241B2Efficient decisions for deblockingSUN PATENT TRUST ( US )HEVC/H.2658.7, 8.7.2Unlock
ES2824828T3Multi-input adaptive filter based on combination of sum-modified Laplacian filter indexing and quadtree partitioningQUALCOMM INCHEVC/H.265—Unlock
CN104869408BMETHOD AND APPARATUS FOR ENCODING VIDEO BY USING BLOCK MERGINGSAMSUNG ELECTRONIC CO LTD ( KR )HEVC/H.2658.6, 8.6.2, 8.6.3, 8.6.5Unlock
US9918087B2Method for encoding an intra prediction modeM & K HOLDING INC ( KR )HEVC/H.2658.4.2 8.4.4.2.6 7.4.9.6Unlock
JP2012019540AVideo error detection technology using CRC parity codeTHOMSON LICENSING SASHEVC/H.265—Unlock
JP2012015686AIMAGE ENCODING APPARATUS, IMAGE ENCODING METHOD, IMAGE ENCODING PROGRAM, IMAGE DECODING APPARATUS, IMAGE DECODING METHOD, AND IMAGE DECODING PROGRAMJVC KENWOOD CORPHEVC/H.265—Unlock
WO2012021040A2Method and device for encoding/ decoding image having removable filtering modeSK TELECOM CO LTD ( KR )HEVC/H.265—Unlock
US8428342B2Apparatus and method for providing three dimensional media contentAT&T INTELLECTUAL PROPERTY I LPHEVC/H.265—Unlock
US8737480B2Joint spatial and temporal block merge mode for HEVCGOOGLE TECHNOLOGY HOLDING LLCHEVC/H.265—Unlock
US2012189055A1Motion vector predictionQUALCOMM INC ( US )HEVC/H.2658 8.5 8.5.3Unlock
US9066104B2Spatial block merge modeGOOGLE TECHNOLOGY HOLDING LLC ,GOOGLE INC ( US )HEVC/H.2658.6, 8.6.3, 8.5.3.2Unlock
US8824560B2Virtual frame buffer system and methodNETZYN INCHEVC/H.265—Unlock
EP2666295A1METHODS AND APPARATUS FOR GEOMETRIC-BASED INTRA PREDICTIONTHOMSON LICENSING SAS ( FR )HEVC/H.265—Unlock
US8929450B2Temporal block merge modeGOOGLE TECHNOLOGY HOLDING LLC ( US )HEVC/H.2658.5, 8.5.3, 8.5.3.2, 8.5.4Unlock
KR101681303B1Method and device for image encoding/decoding using block split predictionSK TELECOM CO LTD ( KR )HEVC/H.265—Unlock
US9398308B2Coding motion prediction direction in video codingQUALCOMM INC ( US )HEVC/H.265—Unlock
CN103109533BMethod and device for subband coding frequency conversion unit, and method and device for image encoding/decoding using sameSK TELECOM CO LTD ( KR )HEVC/H.2658.6, 8.6.1, 8.6.2, 8.6.3Unlock
CN105120279BImage prediction encoding/decoding systemNTT POWER & BUILDING FACILITIES INC NIPPON TELEGRAPH & TELEPHONE CORP ( JP )HEVC/H.2658.5, 8.5.1, 8.5.3, 8.5.3.2Unlock
KR101873207B1Compression and decompression of reference images in a video encoderAGTHE BERNHARD ( DE ),AMON PETER ( DE ),BASE GERO ( DE ),HUTTER ANDREAS ( DE ),KUTKA ROBERT ( DE ),OERTEL NORBERT ( DE ),SIEMENS AGHEVC/H.265—Unlock
KR102588145B1Entropy encoding and decoding schemeGE VIDEO COMPRESSION LLC ( US )HEVC/H.2659.3, 9.3.1, 7.4Unlock
EP2618573A1Methods and devices for context modeling to enable modular processingBLACKBERRY LTDHEVC/H.2659.3, 8.6Unlock
EP3399753B1MULTIPLE SIGN BIT HIDING WITHIN A TRANSFORM UNITVELOS MEDIA INTERNATIONAL LTDHEVC/H.2656.3.2, 8, 8.6, 8.6.5, 9.3, 9.3.4Unlock
CA2800119CMethods and devices for pipelining within binary arithmetic coding and decodingBLACKBERRY LTDHEVC/H.2656.5, 6.5.4, 9.3.4Unlock
TWI533705BMethods and devices for context set selectionBLACKBERRY LTD ( CA )HEVC/H.265—Unlock
IN347263A1Low-complexity intra prediction for video codingNTT POWER & BUILDING FACILITIES INC ( TOKYO , JP ),NIPPON TELEGRAPH & TELEPHONE CORP ( TOKYO , JP )HEVC/H.265—Unlock
US9924173B2Decoding device, encoding device, decoding method, encoding method, and non-transitory computer readable recording mediumVELOS MEDIA LLCHEVC/H.2658.4.4.2.1 8.4.2Unlock
CN103004191BVideo encoding device, video decoding device, video encoding method, video decoding method, and programNEC CORP ( JP )HEVC/H.265—Unlock
JP5259879B2Image encoding apparatus and image decoding apparatus employing intra preciction and direction transform matrixTOSHIBA CORPHEVC/H.265—Unlock
US2012014457A1METHODS AND DEVICES FOR DATA COMPRESSION USING CONTEXT-BASED CODING ORDERBLACKBERRY LTDHEVC/H.265—Unlock
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US9591320B2Context and bypass encoding videoTEXAS INSTRUMENT INCHEVC/H.265—Unlock
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KR102592909B1Method and apparatus for entropy encoding/decoding a transform coefficientSAMSUNG ELECTRONIC CO LTD ( KR )HEVC/H.2658.6, 8.7Unlock
US9253492B2Methods and apparatuses for encoding and decoding motion vectorSAMSUNG ELECTRONIC CO LTD ( KR )HEVC/H.2657.4, 8.5.3, 8.5.3.2, 8.5.3.3Unlock
US9124898B2Method and apparatus of temporal motion vector predictionHFI INNOVATION INCHEVC/H.2658.6, 8.5.3, 8.5.3.1, 8.5.3.2Unlock
US8582639B2Methods and devices for data compression using adaptive reconstruction levelsMALIKIE INNOVATIONS LTDHEVC/H.2659.3.4.3.2 , 9.3.4.3.3 , 8.6.3, 8.6.1, 8.6.4, 8.5.1Unlock
US10212427B2Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block mergingSAMSUNG ELECTRONIC CO LTD ( KR )HEVC/H.265—Unlock
CN105721871BVideo coding using directional transformsQUALCOMM INC ( US )HEVC/H.265—Unlock
CN103975587BMethod, device and program for encoding and decoding a sequence of images using area-by-area loop filteringCANON INCHEVC/H.265—Unlock
TW201342919AData encoding and decodingSONY CORP ( JP )HEVC/H.265—Unlock
AU2011202791A1System and method for efficient scalable stream adaptationNOKIA TECHNOLOGY OY ( FI )HEVC/H.265—Unlock
CN103329525BCombined reference picture list construction for video codingQUALCOMM INCHEVC/H.2657.3 7.4 8.5 8.5.3Unlock
KR101673027B1/ Method and Apparatus for Color Space Prediction and Method and Apparatus for Encoding/Decoding of Video Data ThereofSK TELECOM CO LTD ( KR )HEVC/H.265—Unlock
CN106067973BImage encoding/decoding device and methodSK TELECOM CO LTD ( KR )HEVC/H.265—Unlock
CN103026705BApparatus for encoding and decoding image by skip encoding and method for sameSAMSUNG ELECTRONIC CO LTD ( SUWON , KR )HEVC/H.2658.7.2, 8.7.3, 8.4, 8.4.2, 8.4.3Unlock
CN107105271BApparatus for encoding and decoding image by skip encoding and method for sameKOREA ELECTRONIC & TELECOM RESEARCH INSTITUTE ,KYUNG HEE UNIV ,RESEARCH INSTITUTEE FOR INDUSTRY COOPERATION OF KWANGWOON UNIVHEVC/H.265—Unlock
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WO2012071417A1Methods and apparatus for adaptive loop filtering in video encoders and decodersTHOMSON LICENSING SAS ( FR )HEVC/H.265—Unlock
CN106060547BThe method and apparatus of decoding high resolution imageHUMAX CO LTD ( KR )HEVC/H.2656.3.2, 8.5, 8.5.2, 8.6.4, 9.3, 7Unlock
US10499083B2Image decoding apparatus, image encoding apparatus, and method and program for image decoding and encodingSONY CORP ( JP )HEVC/H.265—Unlock
CN102742275BApparatus and method of adaptive offset for video codingHFI INNOVATION INCHEVC/H.265—Unlock
CN102447896BMethod, device and system for processing image residual blockHUAWEI TECHNOLOGY CO LTD ( SHENZHEN CITY , CN )HEVC/H.265—Unlock
JP5415495B2Image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding method, and image predictive decoding programNTT POWER & BUILDING FACILITIES INC NIPPON TELEGRAPH & TELEPHONE CORPHEVC/H.265—Unlock
EP3754989A1MULTI-LEVEL SIGNIFICANCE MAPS FOR ENCODING AND DECODINGVELOS MEDIA INTERNATIONAL LTDHEVC/H.2657.4.9.11, 7.3.8.11Unlock
CN102845064BInter-prediction method and video encoding/decoding method using the inter-prediction methodSK TELECOM CO LTD ( KR )HEVC/H.265—Unlock
JP7488947B2Method and apparatus for performing intra-prediction using adaptive filterKOREA ELECTRONIC & TELECOM RESEARCH INSTITUTEHEVC/H.265—Unlock
CN102939760BMethod and apparatus for performing interpolation based on transformation and inverse transformationSAMSUNG ELECTRONIC CO LTD ( SUWON , KR )HEVC/H.265D.3.34, H.8.1.4.2.2, I.8.5.3.3.3, I.8.5.3.3.3.3Unlock
US10142649B2Method for encoding and decoding coding unitHANGZHOU HIKVISION DIGITAL TECHNOLOGY CO LTDHEVC/H.265—Unlock
CN102907100BImage coding/decoding device using coding block in which intra block and inter block are mixed, and method thereofSK TELECOM CO LTD ( KR )HEVC/H.2657.4.9.5 8.4.1 8.4.4.1 8.6.3 8.6.4 8.4.4.2 8.6.8Unlock
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US8509309B2Selecting transforms for compressing visual dataMASSACHUSETTS INSTITUTE OF TECHNOLOGYHEVC/H.265—Unlock
KR101562343B1Method and apparatus for image interpolation having quarter pixel accuracy using intra prediction modesIUCF HYU ( KR ),UNIV CHUNG ANG IND ( KR )HEVC/H.2658.6, 8.5, 8.6.7Unlock
US9124887B2Area-based encoding/decoding device and methodGLAXO GROUP LTD ,GLAXOSMITHKLINE BIOLOGICALS SA ,SMITHKLINE BEECHAM PHARMA GMBH & CO KGHEVC/H.2658.6, 8.7.1, 8.7.2Unlock
KR102114421B1Method and apparatus for encoding/decoding image by using motion vector of previous block as motion vector of current blockSAMSUNG ELECTRONIC CO LTD ( KR )HEVC/H.2657.4.9.6, 8.5.3.2, 8.5.3.2.2, 8.5.3.2.4Unlock
KR102068921B1DERIVING REFERENCE MODE VALUES AND ENCODING AND DECODING INFORMATION REPRESENTING PREDICTION MODESCANON INCHEVC/H.2658.4, 8.4.2, 8.1.4.3, 9.3.4.3Unlock
US2024364896A1Method and apparatus for processing a video signalLG ELECTRONIC INCHEVC/H.2658.5, 7.4.9.6, I.8.5.3.2.6, I.8.5.3.2.7, I.8.5.3.3Unlock
CN102447895BScanning method, scanning device, anti-scanning method and anti-scanning deviceHUAWEI TECHNOLOGY CO LTD ( SHENZHEN CITY , CN )HEVC/H.265—Unlock
US2023396768A1CODING UNIT QUANTIZATION PARAMETERS IN VIDEO CODINGTEXAS INSTRUMENT INC ( US )HEVC/H.265—Unlock
CN106131552BMethod and apparatus of adaptive loop filteringMEDIATEK INC ( HSINCHU HSIEN , CN )HEVC/H.265—Unlock
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US2024340453A1Video codingINTERDIGITAL CE PATENT HOLDING SASHEVC/H.265—Unlock
CN103733621BVideo codingMICROSOFT TECHNOLOGY LICENSING LLC ( US )HEVC/H.265—Unlock
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CN105704490BVideo encoderSK TELECOM CO LTD ( KR )HEVC/H.2658.5.4, 8.6, 8.6.2, 9.3Unlock
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CN103141103BMethod and apparatus for processing video dataLG ELECTRONIC INC ( KR )HEVC/H.265D.3.41.7, I.8.5, I.8.5.3Unlock
BR112012025308B1LOW COMPLEXITY CABAC ENTROPY-ENCODING/DECODING METHODSAMSUNG ELECTRONIC CO LTD ( KR )HEVC/H.2659.3, 9.3.2.2Unlock
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US10373295B2Image processing apparatus and image processing methodSONY CORP ( JP )HEVC/H.265—Unlock
ES2899780T3Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizesXYLENE HOLDING SAHEVC/H.2658.5, 9.3.3, 9.3Unlock
CN102823248BImage encoding method and image decoding methodTOSHIBA CORP ( JP )HEVC/H.265—Unlock
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CN102215395BVideo coding and decoding method and deviceHUAWEI TECHNOLOGY CO LTD ( SHENZHEN CITY , CN )HEVC/H.265—Unlock
CN102823251BVideo coding apparatus, video coding method and video coding program, and video decoding apparatus, video decoding method and video decoding programCOMCAST CABLE COMMUNICATION LLCHEVC/H.265—Unlock
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KR20240158380AMethods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersINTERDIGITAL CE PATENT HOLDING SAS ( US )HEVC/H.265—Unlock
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CN102833540BMotion prediction methodHFI INNOVATION INCHEVC/H.265—Unlock
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KR20240133766ACoding of a spatial sampling of a two-dimensional information signal using sub-divisionGE VIDEO COMPRESSION LLC ( US )HEVC/H.265—Unlock
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