公开(公告)号：EP3627838B1

公开(公告)日：2024-10-09

申请号：EP18824209.3

申请日：2018-06-19

IPC: H04N19/52 ,  H04N19/503 ,  H04N19/109 ,  H04N19/132

CPC classification number: H04N19/503 ,  H04N19/52 ,  H04N19/132 ,  H04N19/109

公开(公告)号：EP4425926A1

公开(公告)日：2024-09-04

申请号：EP22876910.5

申请日：2022-09-29

Applicant: LG Electronics Inc.

Inventor： PARK, Naeri ,  LIM, Jaehyun ,  YOO, Sunmi ,  NAM, Junghak ,  JANG, Hyeongmoon ,  CHOI, Jangwon

IPC: H04N19/527 ,  H04N19/109 ,  H04N19/513 ,  H04N19/119 ,  H04N19/176

CPC classification number: H04N19/513 ,  H04N19/119 ,  H04N19/109 ,  H04N19/527 ,  H04N19/176

Abstract: An image encoding/decoding method and device according to the present disclosure may: partition a current block into a plurality of subregions; derive a control point vector of a current subregion among the plurality of subregions; derive a motion vector of the current subregion on the basis of the control point vector; and generate a prediction sample of the current block on the basis of the motion vector of the current subregion.

公开(公告)号：EP3861727B1

公开(公告)日：2024-05-08

申请号：EP20769682.4

申请日：2020-03-06

IPC: H04N19/105 ,  H04N19/70 ,  H04N19/176 ,  H04N19/157 ,  H04N19/577 ,  H04N19/109 ,  H04N19/159

CPC classification number: H04N19/105 ,  H04N19/176 ,  H04N19/70 ,  H04N19/109 ,  H04N19/577 ,  H04N19/159

公开(公告)号：EP2076047B1

公开(公告)日：2018-11-21

申请号：EP08254172.3

申请日：2008-12-29

Applicant: Intel Corporation

Inventor： Jiang, Hong ,  Rauchfuss, Brian ,  Lu, Ning ,  Wong, Samuel

IPC: H04N19/139 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/63 ,  H04N19/109 ,  H04N19/162 ,  H04N19/19

CPC classification number: H04N19/109 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/162 ,  H04N19/176 ,  H04N19/19 ,  H04N19/63

Abstract: In accordance with some embodiments of the present invention, distortion may be calculated using hardware for purposes of motion estimation. The distortion may be determined in the frequency domain. In some embodiments, a modified Haar wavelet transform may be utilized. The penalty in terms of the number of motion vectors may be determined for each location to achieve better distortion in some embodiments. A look up table may be utilized to determine an acceptable penalty. In some cases, the user can input information about an acceptable penalty.

公开(公告)号：EP2899979B1

公开(公告)日：2018-09-19

申请号：EP15158612.0

申请日：2010-10-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheon, Min-Su ,  Min, Jung-Hye ,  Han, Woo-Jin

IPC: H04N19/18 ,  H04N19/119 ,  H04N19/136 ,  H04N19/13 ,  H04N19/176 ,  H04N19/70

CPC classification number: H04N19/44 ,  H04N19/109 ,  H04N19/119 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46 ,  H04N19/60 ,  H04N19/61 ,  H04N19/63 ,  H04N19/635 ,  H04N19/70 ,  H04N19/96

Abstract: Methods and apparatuses for encoding and decoding a residual block are provided. The method of encoding the residual block includes: generating a prediction block of a current block; generating a residual block based on a difference between the prediction block and the current block; generating a transformation residual block by transforming the residual block to a frequency domain; splitting the transformation residual block into frequency band units; and encoding effective coefficient flags indicating frequency band units, of the frequency band units, in which nonzero effective transformation coefficients exist.

公开(公告)号：EP3367682A1

公开(公告)日：2018-08-29

申请号：EP18162461.0

申请日：2011-05-06

Applicant: Electronics and Telecommunications Research Institute ,  Kwangwoon University Industry-Academic Collaboration Foundation ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： LIM, Sung Chang ,  LEE, Ha Hyun ,  JEONG, Se Yoon ,  KIM, Hui Yong ,  CHO, Suk Hee ,  KIM, Jong Ho ,  LEE, Jin Ho ,  CHOI, Jin Soo ,  KIM, Jin Woong ,  AHN, Chie Teuk ,  SIM, Dong Gyu ,  OH, Seoung Jun ,  PARK, Gwang Hoon ,  PARK, Sea Nae ,  JEON, Chan Woong

IPC: H04N19/117 ,  H04N19/132 ,  H04N19/159 ,  H04N19/176 ,  H04N19/82 ,  H04N19/46 ,  H04N19/593

CPC classification number: H04N19/117 ,  H04N19/109 ,  H04N19/132 ,  H04N19/159 ,  H04N19/17 ,  H04N19/174 ,  H04N19/176 ,  H04N19/192 ,  H04N19/46 ,  H04N19/50 ,  H04N19/593 ,  H04N19/82

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

公开(公告)号：EP2819411B1

公开(公告)日：2018-08-29

申请号：EP14183129.7

申请日：2002-09-12

Applicant: NTT DoCoMo, Inc.

Inventor： Kato, S. ,  Etoh, M. ,  Sekiguchi, S. ,  Yamaguchi, H. ,  Ogiri, Y. ,  Adachi, S. ,  Kobayashi, M.

IPC: H04N19/119 ,  H04N19/176 ,  H04N19/46 ,  H04N19/573 ,  H04N19/137 ,  H04N19/17 ,  H04N19/51

CPC classification number: H04N19/577 ,  H04N19/109 ,  H04N19/119 ,  H04N19/137 ,  H04N19/17 ,  H04N19/176 ,  H04N19/196 ,  H04N19/46 ,  H04N19/463 ,  H04N19/51 ,  H04N19/57 ,  H04N19/573 ,  H04N19/61

Abstract: For the purpose of coding or decoding motion information in a picture with a small overhead, a coding method of performing compression coding of a moving picture by motion compensated prediction is configured to have a motion compensated prediction step (processing by motion detector 2, motion compensator 5, spatial predictor 9, etc.) of performing the motion compensated prediction while assigning one or more motion vectors (e.g., up to two motion vectors) in units of sub-blocks obtained by sub-dividing each of macroblocks resulting from division of each frame of the moving picture; and an assignment information coding step (processing by variable length encoder 23 and others) of outputting information about an assignment situation of the one or more motion vectors to the sub-blocks in a multiplexed form on a bitstream.

公开(公告)号：EP2725792B1

公开(公告)日：2018-08-22

申请号：EP12802482.5

申请日：2012-06-22

Applicant: Sun Patent Trust

Inventor： SASAI, Hisao ,  NISHI, Takahiro ,  SHIBAHARA, Youji ,  SUGIO, Toshiyasu ,  TANIKAWA, Kyoko ,  MATSUNOBU, Toru

IPC: H04N19/91 ,  H04N19/176 ,  H04N19/159 ,  H04N19/61 ,  H04N19/13 ,  H04N19/96 ,  H04N19/70 ,  H04N19/119

CPC classification number: H04N19/91 ,  H04N19/109 ,  H04N19/119 ,  H04N19/13 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/196 ,  H04N19/30 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: The image decoding method includes: determining a context for use in a current block, from among a plurality of contexts (S204); and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context (S210), wherein in the determining (S204): the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block (S206); and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type (S207), and the second type is "inter_pred_flag".

公开(公告)号：EP1389874B1

公开(公告)日：2018-08-22

申请号：EP03016242.4

申请日：2003-07-17

Applicant: Microsoft Technology Licensing, LLC

Inventor： Barrett, Peter T. ,  Baldwin, James A.

IPC: H04N7/173

CPC classification number: H04L51/28 ,  G01S1/026 ,  G01S5/021 ,  G01S5/06 ,  G06F1/1626 ,  G06F1/1639 ,  G06F3/0481 ,  G06F12/109 ,  G06F21/305 ,  G06F21/6209 ,  G06F21/74 ,  G06F21/88 ,  G06F2221/2105 ,  G06F2221/2115 ,  G11B20/10009 ,  G11B20/10425 ,  G11B20/22 ,  H01L27/14625 ,  H03L7/091 ,  H04B1/707 ,  H04B7/18582 ,  H04B7/2628 ,  H04B7/2687 ,  H04B10/25754 ,  H04J3/0655 ,  H04J3/0658 ,  H04J13/0077 ,  H04J13/16 ,  H04L1/0002 ,  H04L1/0015 ,  H04L1/0066 ,  H04L1/0068 ,  H04L1/1685 ,  H04L1/1841 ,  H04L1/187 ,  H04L9/085 ,  H04L9/304 ,  H04L12/417 ,  H04L12/462 ,  H04L12/4641 ,  H04L25/03038 ,  H04L25/4902 ,  H04L25/4904 ,  H04L25/497 ,  H04L27/156 ,  H04L29/06 ,  H04L29/06027 ,  H04L29/12471 ,  H04L41/06 ,  H04L41/5009 ,  H04L41/5035 ,  H04L41/5087 ,  H04L43/0829 ,  H04L43/50 ,  H04L45/04 ,  H04L45/22 ,  H04L45/24 ,  H04L47/10 ,  H04L47/11 ,  H04L47/12 ,  H04L47/14 ,  H04L47/15 ,  H04L47/193 ,  H04L47/2416 ,  H04L47/27 ,  H04L47/283 ,  H04L47/34 ,  H04L47/70 ,  H04L47/72 ,  H04L47/745 ,  H04L47/765 ,  H04L47/822 ,  H04L47/824 ,  H04L49/90 ,  H04L49/9094 ,  H04L51/04 ,  H04L51/38 ,  H04L61/2553 ,  H04L65/1006 ,  H04L65/1016 ,  H04L65/1043 ,  H04L65/4061 ,  H04L65/4092 ,  H04L65/605 ,  H04L65/607 ,  H04L67/1002 ,  H04L67/1034 ,  H04L69/14 ,  H04L69/16 ,  H04L69/161 ,  H04L69/163 ,  H04L69/166 ,  H04L69/18 ,  H04L69/40 ,  H04L2012/40215 ,  H04L2012/40273 ,  H04M1/723 ,  H04M1/72519 ,  H04M1/72533 ,  H04M3/007 ,  H04M3/16 ,  H04M3/42221 ,  H04M7/0057 ,  H04M7/1295 ,  H04M11/06 ,  H04N1/00957 ,  H04N1/031 ,  H04N1/0318 ,  H04N1/1934 ,  H04N1/1935 ,  H04N1/32106 ,  H04N1/40 ,  H04N5/2251 ,  H04N5/2257 ,  H04N5/23248 ,  H04N5/23254 ,  H04N5/23258 ,  H04N5/23267 ,  H04N5/2327 ,  H04N5/23277 ,  H04N5/38 ,  H04N5/4401 ,  H04N5/4448 ,  H04N5/445 ,  H04N5/45 ,  H04N5/46 ,  H04N5/50 ,  H04N5/64 ,  H04N5/642 ,  H04N5/66 ,  H04N5/76 ,  H04N5/775 ,  H04N5/85 ,  H04N5/907 ,  H04N7/0112 ,  H04N7/0122 ,  H04N7/163 ,  H04N7/165 ,  H04N7/1675 ,  H04N7/17327 ,  H04N7/17336 ,  H04N9/3129 ,  H04N9/3141 ,  H04N9/642 ,  H04N9/7925 ,  H04N9/8042 ,  H04N19/109 ,  H04N19/139 ,  H04N19/51 ,  H04N19/517 ,  H04N19/527 ,  H04N19/625 ,  H04N19/70 ,  H04N19/91 ,  H04N21/23418 ,  H04N21/2543 ,  H04N21/2625 ,  H04N21/4181 ,  H04N21/433 ,  H04N21/4331 ,  H04N21/4383 ,  H04N21/4384 ,  H04N21/4623 ,  H04N21/47202 ,  H04N21/47211 ,  H04N21/6175 ,  H04N21/6187 ,  H04N21/6581 ,  H04N21/6582 ,  H04N2201/0094 ,  H04N2201/02493 ,  H04N2201/03112 ,  H04N2201/03133 ,  H04N2201/03141 ,  H04N2201/03145 ,  H04N2201/03187 ,  H04N2201/3212 ,  H04N2201/3222 ,  H04N2201/3274 ,  H04Q3/0025 ,  H04Q3/60 ,  H04Q2213/1302 ,  H04Q2213/13039 ,  H04Q2213/1304 ,  H04Q2213/13076 ,  H04Q2213/13095 ,  H04Q2213/13109 ,  H04Q2213/13298 ,  H04Q2213/13349 ,  H04W4/10 ,  H04W4/12 ,  H04W4/14 ,  H04W8/245 ,  H04W8/26 ,  H04W8/265 ,  H04W24/00 ,  H04W28/00 ,  H04W28/18 ,  H04W28/26 ,  H04W36/02 ,  H04W40/00 ,  H04W40/02 ,  H04W48/08 ,  H04W52/0225 ,  H04W52/0248 ,  H04W52/0274 ,  H04W52/30 ,  H04W56/00 ,  H04W64/00 ,  H04W68/00 ,  H04W72/042 ,  H04W72/1252 ,  H04W72/1268 ,  H04W74/008 ,  H04W74/0816 ,  H04W74/0833 ,  H04W76/10 ,  H04W76/12 ,  H04W76/18 ,  H04W76/30 ,  H04W76/34 ,  H04W76/45 ,  H04W80/00 ,  H04W84/042 ,  H04W84/08 ,  H04W84/12 ,  H04W88/06 ,  H04W88/085 ,  H04W88/16 ,  H04W92/02 ,  H04W92/12 ,  Y02D70/168 ,  Y02D70/20 ,  Y02D70/30 ,  Y02D70/40 ,  Y02D70/446 ,  Y02D70/449 ,  Y02D70/46 ,  Y10S370/906 ,  Y10S370/907 ,  Y10S707/99943

Abstract: Fast channel changing in digital-television-based entertainment networks can be implemented, for example, by electing to tune to channels at opportune tuning times. In an exemplary implementation, a method includes: receiving a channel change request that indicates a requested new channel from a client device; preparing a broadcast video data stream of the requested new channel that is offset in time behind a current broadcast time for broadcast video data of the requested new channel; and streaming the broadcast video data stream responsive to the channel change request. In another exemplary implementation, a system includes: a storage device (408A) that retains broadcast video data (410) for multiple channels; a video data extractor (416) that accesses the retained broadcast video data and retrieves an intra frame of broadcast video data that is in the past for a requested channel; and a video data distributor (418) that transmits the retrieved intra frame of broadcast video data.

公开(公告)号：EP2140684B1

公开(公告)日：2018-08-15

申请号：EP08727322.3

申请日：2008-04-09

Applicant: Thomson Licensing DTV

Inventor： DIVORRA ESCODA, Oscar ,  YIN, Peng

IPC: H04N19/119 ,  H04N19/109 ,  H04N19/176 ,  H04N19/159 ,  H04N19/61 ,  H04N19/46

CPC classification number: H04N19/109 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176 ,  H04N19/46 ,  H04N19/61

Abstract: There are provided methods and apparatus for context dependent merging for SKIP/DIRECT modes for video encoding and decoding. An apparatus includes an encoder for joint coding partitions of an image region using frame partitioning and a partition merging procedure, wherein any given one of the partitions that use a coding mode with implicit coding rules is subject to being merged, with another one of the partitions, using a distinct merging rule different than that used for a coding mode with explicit coding rules.