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公开(公告)号:RU2767144C2
公开(公告)日:2022-03-16
申请号:RU2019133109
申请日:2018-03-22
Applicant: QUALCOMM INC
Inventor: KARCZEWICZ MARTA , CHEN YI-WEN , CHIEN WEI-JUNG , CHUANG HSIAO-CHIANG , LI XIANG , CHEN JIANLE
IPC: H04N19/577
Abstract: Изобретениеотноситсяк вычислительнойтехнике. Техническийрезультатзаключаетсяв повышенииэффективностикодирования. Способдекодированиявидеоданныхизкодированногопотокавидеобитов, вкоторомформируют, сиспользованиемизвлечениявекторовдвижениянасторонедекодера (DMVD), множествоизвлеченныхвекторовдвижения; определяютпервыйизвлеченныйвектордвиженияи второйизвлеченныйвектордвиженияизмножестваизвлеченныхвекторовдвижениянаосновепоказателязатрат, чтосодержитэтап, накоторомопределяютто, чтопервыйизвлеченныйвектордвиженияи второйизвлеченныйвектордвиженияудовлетворяютпоменьшеймереодномуограничениюнавзаимосвязьмеждупервымизвлеченнымвекторомдвиженияи вторымизвлеченнымвекторомдвижения; идекодируюттекущийблокс использованиемопределенныхпервогоизвлеченноговекторадвиженияи второгоизвлеченноговекторадвижения, которыеудовлетворяютпоменьшеймереодномуограничениюнавзаимосвязь, сиспользованиембипрогнозирования. 4 н. и 16 з.п. ф-лы, 4 табл., 17 ил.
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公开(公告)号:RU2718225C1
公开(公告)日:2020-03-31
申请号:RU2019113139
申请日:2017-10-05
Applicant: QUALCOMM INC
Inventor: CHEN YI-WEN , CHIEN WEI-JUNG , ZHANG LI , SUN YU-CHEN , CHEN JIANLE , KARCZEWICZ MARTA
IPC: H04N19/52
Abstract: Изобретениеотноситсяк областикодирования. Техническийрезультатзаключаетсяв улучшенииэффективностикодирования. Декодервидеовыбираетисходныйаффинныйблок. Исходныйаффинныйблокявляетсяаффинно-кодированнымблоком, которыйпространственнососедствуетс текущимблоком. Декодервидеоэкстраполируетвекторыдвиженияконтрольныхточекисходногоаффинногоблока, чтобыопределитьпредикторывекторадвижениядляконтрольныхточектекущегоблока. Декодервидеовставляетв списокнаборов-кандидатоваффинныхпредиктороввекторадвижения (MVP) набораффинных MVP, которыйвключаетв себяпредикторывекторадвижениядляконтрольныхточектекущегоблока. Декодервидеотакжеопределяетнаосновеиндекса, просигнализированногов битовомпотоке, выбранныйнабораффинных MVP вспискенаборов-кандидатоваффинных MVP. Декодервидеополучаетизбитовогопотокаразницывекторовдвижения (MVD), которыеуказываютразницымеждувекторамидвиженияконтрольныхточектекущегоблокаи предикторамивекторадвиженияв выбранномнабореаффинных MVP. 8 н. и 28 з.п. ф-лы, 21 ил.
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公开(公告)号:PH12019501895A1
公开(公告)日:2019-10-21
申请号:PH12019501895
申请日:2019-08-15
Applicant: QUALCOMM INC
Inventor: KARCZEWICZ MARTA , CHEN YI-WEN , CHIEN WEI-JUNG , CHUANG HSIAO-CHIANG , LI XIANG , CHEN JIANLE
IPC: H04N19/577
Abstract: Techniques related to decoder-side motion vector derivation (DMVD) are described. For example, this disclosure describes techniques related to applying one or more constraints to motion information, such as a motion vector (MV) derived by DMVD, and/or a MV difference between an initial MV and an MV derived by DMVD. When the constraint is applied to the DMVD, in certain examples, only the derived motion information which meets the constraint is regarded as valid motion information. Conditions may be placed on the constraints.
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公开(公告)号:SG11201906286QA
公开(公告)日:2019-09-27
申请号:SG11201906286Q
申请日:2018-02-21
Applicant: QUALCOMM INC
Inventor: CHEN YI-WEN , CHIEN WEI-JUNG , CHUANG HSIAO-CHIANG , CHEN JIANLE , LI XIANG , KARCZEWICZ MARTA , SUN YU-CHEN
IPC: H04N19/51 , H04N19/109 , H04N19/44 , H04N19/573 , H04N19/577 , H04N19/583
Abstract: WO 18/ 15 66 28 Al FIG. 21 ( -430 ( -432 INVERSE QUANTIZE AND TRANSFORM RESIDUAL DATA COMBINE RESIDUAL DATA WITH PREDICTION BLOCK (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 30 August 2018 (30.08.2018) WIPO I PCT oimiolollm °nolo HE OH o111110 oimIE (10) International Publication Number WO 2018/156628 Al (51) International Patent Classification: H04N 19/51 (2014.01) H04N 19/573 (2014.01) H04N 19/44 (2014.01) H04N 19/577 (2014.01) H04N 19/583 (2014.01) H04N 19/109 (2014.01) (21) International Application Number: PCT/US2018/019018 (22) International Filing Date: 21 February 2018 (21.02.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/461,729 21 February 2017 (21.02.2017) US 62/463,266 24 February 2017 (24.02.2017) US 62/472,919 17 March 2017 (17.03.2017) US 15/900,649 20 February 2018 (20.02.2018) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). = (72) Inventors: CHEN, Yi-Wen; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHIEN, Wei-Jung; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHUANG, Hsiao-Chiang; 5775 Morehouse Dri- ve, San Diego, California 92121-1714 (US). CHEN, Jian- le; 10756 Corte De Tiburon, San Diego, California 92130 (US). LI, Xiang; 10574 Gaylemont Lane, San Diego, Cal- ifornia 92130 (US). KARCZEWICZ, Marta; 5775 More- house Drive, San Diego, California 92121-1714 (US). SUN, Yu-Chen; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: DAWLEY, Brian R.; Shumaker & Sieffert, PA., 1625 Radio Drive, Suite 100, Woodbury, Minnesota 55125 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (54) Title: DERIVING MOTION VECTOR INFORMATION AT A VIDEO DECODER (57) : An example device for decoding video data includes a memory ( -420 configured to store video data, and a video decoder implemented in circuitry and configured to determine that motion information of a current block of the video data is to be derived using decoder-side motion vector derivation (DMVD), de- r -422 termine a pixels clue for the current block, the pixels clue comprising pixel data obtained from one or more groups of previously decoded pixels, derive the motion information for the current block according to DMVD from the pixels clue, and decode the current block using the motion information. The video decoder may generate the pixels clue using multiple hypothesis predictions from multiple mo- 7426 tion compensated blocks. The video decoder may determine an inter-prediction direction for the motion information according to matching costs between differ- ent prediction directions. The video decoder may refine the motion information using a calculated matching cost for the pixels clue. PREDICT CURRENT BLOCK USING MOTION INFORMATION ENTROPY DECODE MODE INDICATION AND QUANTIZED TRANSFORM COEFFICIENTS DETERMINE TO USE DMVD FOR CURRENT BLOCK DETERMINE PIXELS CLUE FOR CURRENT BLOCK DERIVE MOTION INFORMATION USING PIXELS CLUE / 424 ( -428 [Continued on next page] WO 2018/156628 Al MIDEDIMOMOIDEIREEMOMOMOIEHIMEN UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))
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公开(公告)号:CA3063173A1
公开(公告)日:2018-12-20
申请号:CA3063173
申请日:2018-06-11
Applicant: QUALCOMM INC
Inventor: CHEN YI-WEN , CHIEN WEI-JUNG , SUN YU-CHEN , ZHANG LI , LEE SUNGWON , LI XIANG , CHUANG HSIAO-CHIANG , CHEN JIANLE , SEREGIN VADIM , KARCZEWICZ MARTA
IPC: H04N19/52
Abstract: A video coder may determine a motion vector of a non-adjacent block of a current picture of the video data. The non-adjacent block is non-adjacent to a current block of the current picture. Furthermore, the video coder determines, based on the motion vector of the non-adjacent block, a motion vector predictor (MVP) for the current block. The video coder may determine a motion vector of the current block. The video coder may also determine a predictive block based on the motion vector of the current block.
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公开(公告)号:CA3053479A1
公开(公告)日:2018-09-27
申请号:CA3053479
申请日:2018-03-22
Applicant: QUALCOMM INC
Inventor: KARCZEWICZ MARTA , CHEN YI-WEN , CHIEN WEI-JUNG , CHUANG HSIAO-CHIANG , LI XIANG , CHEN JIANLE
IPC: H04N19/577
Abstract: Techniques related to decoder-side motion vector derivation (DMVD) are described. For example, this disclosure describes techniques related to applying one or more constraints to motion information, such as a motion vector (MV) derived by DMVD, and/or a MV difference between an initial MV and an MV derived by DMVD. When the constraint is applied to the DMVD, in certain examples, only the derived motion information which meets the constraint is regarded as valid motion information. Conditions may be placed on the constraints.
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公开(公告)号:ES2954447T3
公开(公告)日:2023-11-22
申请号:ES18735138
申请日:2018-06-11
Applicant: QUALCOMM INC
Inventor: CHEN YI-WEN , CHIEN WEI-JUNG , SUN YU-CHEN , ZHANG LI , LEE SUNGWON , LI XIANG , CHUANG HSIAO-CHIANG , CHEN JIANLE , SEREGIN VADIM , KARCZEWICZ MARTA
Abstract: Un codificador de vídeo puede determinar un vector de movimiento de un bloque no adyacente de una imagen actual de los datos de vídeo. El bloque no adyacente no es adyacente a un bloque actual de la imagen actual. Además, el codificador de vídeo determina, basándose en el vector de movimiento del bloque no adyacente, un predictor de vector de movimiento (MVP) para el bloque actual. El codificador de vídeo puede determinar un vector de movimiento del bloque actual. El codificador de vídeo también puede determinar un bloque predictivo basándose en el vector de movimiento del bloque actual. (Traducción automática con Google Translate, sin valor legal)
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公开(公告)号:HUE051174T2
公开(公告)日:2021-03-01
申请号:HUE17784818
申请日:2017-10-05
Applicant: QUALCOMM INC
Inventor: CHEN YI-WEN , CHIEN WEI-JUNG , ZHANG LI , SUN YU-CHEN , CHEN JIANLE , KARCZEWICZ MARTA
IPC: H04N19/52
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公开(公告)号:SG11202005204SA
公开(公告)日:2020-08-28
申请号:SG11202005204S
申请日:2019-01-17
Applicant: QUALCOMM INC
Inventor: CHEN YI-WEN , CHIEN WEI-JUNG , SUN YU-CHEN , ZHANG LI , CHUANG HSIAO-CHIANG , KARCZEWICZ MARTA
IPC: H04N19/513 , H04N19/44 , H04N19/57
Abstract: Improved systems and methods related to decoder-side motion vector derivation (DMVD), for example, in applying one or more constraints to motion information, such as a MV derived by DMVD, and/or a MV difference between an initial MV and an MV derived by DMVD. These techniques may be applied to any of the existing video codecs, such as HEVC (High Efficiency Video Coding), and/or may be an efficient coding tool in any future video coding standards. In one example, the block size used for DMVD can be restricted. In another example, FRUC bilateral matching can be simplified by not searching outside reference blocks indicated by the original motion vector.
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10.
公开(公告)号:SG11202001518UA
公开(公告)日:2020-04-29
申请号:SG11202001518U
申请日:2018-09-26
Applicant: QUALCOMM INC
Inventor: LEE SUNGWON , CHIEN WEI-JUNG , RAMASUBRAMONIAN ADARSH KRISHNAN , COBAN MUHAMMED ZEYD , CHEN JIANLE , CHEN YI-WEN , KARCZEWICZ MARTA
IPC: H04N19/31 , H04N19/107 , H04N19/114 , H04N19/187 , H04N19/70
Abstract: A device for encoding video data includes a memory configured to store video data, and a video encoder implemented in circuitry and configured to encode a future picture of the video data having a first display order position, the future picture being included in an intra period (IP) of the video data, the IP comprising a plurality of groups of pictures (GOPs), and after encoding the future picture, encode a picture of an ordinal first GOP of the plurality of GOPs using the future picture as a reference picture, each picture of the ordinal first GOP having display order positions earlier than the first display order position. Encoding the future picture in this manner may result in encoding performance improvements with minimal increases in encoding and decoding complexity.
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