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    Predicción de vectores de movimiento para modelos de movimiento afines en codificación de vídeo
    1.
    发明专利
    Predicción de vectores de movimiento para modelos de movimiento afines en codificación de vídeo 未知

    公开(公告)号：ES2841312T3

    公开(公告)日：2021-07-08

    申请号：ES17784818

    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 ,  H04N19/537

    Abstract: Un procedimiento de descodificación de datos de vídeo, comprendiendo el procedimiento: seleccionar un bloque afín de origen, siendo el bloque afín de origen un bloque codificado por afinidad que es vecino espacialmente a un bloque actual; extrapolar vectores de movimiento de puntos de control del bloque afín de origen para determinar predictores de vector de movimiento para puntos de control del bloque actual en base a los vectores de movimiento extrapolados; insertar, en una lista de candidatos de conjunto de predictores de vectores de movimiento afines (MVP), un conjunto de MVP afín que incluye los predictores de vectores de movimiento para los puntos de control del bloque actual; determinar, en base a un índice señalizado en un flujo de bits, un conjunto de MVP afín seleccionado en la lista de candidatos de conjunto de MVP afines; obtener, de un flujo de bits, diferencias de vector de movimiento (MVD) que indican diferencias entre vectores de movimiento de los puntos de control del bloque actual y los predictores de vectores de movimiento en el conjunto de MVP afín seleccionado; determinar, en base a los predictores de vector de movimiento incluidos en el conjunto de MVP afín seleccionado y las MVD, los vectores de movimiento de los puntos de control del bloque actual; generar, en base a los vectores de movimiento de los puntos de control del bloque actual, un bloque predictivo; y reconstruir el bloque actual basado en datos residuales y el bloque predictivo.

    Motion vector prediction for affine motion models in video coding
    2.
    发明专利
    Motion vector prediction for affine motion models in video coding 未知

    公开(公告)号：AU2017340631B2

    公开(公告)日：2020-11-19

    申请号：AU2017340631

    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 ,  H04N19/537

    Abstract: A video decoder selects a source affine block. The source affine block is an affine-coded block that spatially neighbors a current block. Additionally, the video decoder extrapolates motion vectors of control points of the source affine block to determine motion vector predictors for control points of the current block. The video decoder inserts, into an affine motion vector predictor (MVP) set candidate list, an affine MVP set that includes the motion vector predictors for the control points of the current block. The video decoder also determines, based on an index signaled in a bitstream, a selected affine MVP set in the affine MVP set candidate list. The video decoder obtains, from the bitstream, motion vector differences (MVDs) that indicate differences between motion vectors of the control points of the current block and motion vector predictors in the selected affine MVP set.

    ПРЕДСКАЗАНИЕ ВЕКТОРА ДВИЖЕНИЯ ДЛЯ АФФИННЫХ МОДЕЛЕЙ ДВИЖЕНИЯ В КОДИРОВАНИИ ВИДЕО
    3.
    发明专利
    ПРЕДСКАЗАНИЕ ВЕКТОРА ДВИЖЕНИЯ ДЛЯ АФФИННЫХ МОДЕЛЕЙ ДВИЖЕНИЯ В КОДИРОВАНИИ ВИДЕО 未知

    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.

    DERIVING MOTION VECTOR INFORMATION AT A VIDEO DECODER
    4.
    发明专利
    DERIVING MOTION VECTOR INFORMATION AT A VIDEO DECODER 未知

    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))

    Motion vector prediction for affine motion models in video coding
    9.
    发明专利
    Motion vector prediction for affine motion models in video coding 未知

    公开(公告)号：AU2017340631A1

    公开(公告)日：2019-03-14

    申请号：AU2017340631

    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 ,  H04N19/537

    Abstract: A video decoder selects a source affine block. The source affine block is an affine-coded block that spatially neighbors a current block. Additionally, the video decoder extrapolates motion vectors of control points of the source affine block to determine motion vector predictors for control points of the current block. The video decoder inserts, into an affine motion vector predictor (MVP) set candidate list, an affine MVP set that includes the motion vector predictors for the control points of the current block. The video decoder also determines, based on an index signaled in a bitstream, a selected affine MVP set in the affine MVP set candidate list. The video decoder obtains, from the bitstream, motion vector differences (MVDs) that indicate differences between motion vectors of the control points of the current block and motion vector predictors in the selected affine MVP set.

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