BRPI1014257A2 - aparelho de codificação de vídeo e aparelho de decodificação de vídeo - Google Patents

aparelho de codificação de vídeo e aparelho de decodificação de vídeo

Info

Publication number
BRPI1014257A2
BRPI1014257A2 BRPI1014257A BRPI1014257A BRPI1014257A2 BR PI1014257 A2 BRPI1014257 A2 BR PI1014257A2 BR PI1014257 A BRPI1014257 A BR PI1014257A BR PI1014257 A BRPI1014257 A BR PI1014257A BR PI1014257 A2 BRPI1014257 A2 BR PI1014257A2
Authority
BR
Brazil
Prior art keywords
video
video coding
decoding device
video decoding
coding device
Prior art date
Application number
BRPI1014257A
Other languages
English (en)
Inventor
Tomohiro Ikai
Tomoyuki Yamamoto
Original Assignee
Sharp Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42936156&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1014257(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sharp Kk filed Critical Sharp Kk
Publication of BRPI1014257A2 publication Critical patent/BRPI1014257A2/pt
Publication of BRPI1014257B1 publication Critical patent/BRPI1014257B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI1014257-6A 2009-04-08 2010-03-17 aparelho de codificação de vídeo e aparelho de decodificação de vídeo BRPI1014257B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2009093606 2009-04-08
JP2009-093606 2009-04-08
JP2009146509 2009-06-19
JP2009-146509 2009-06-19
PCT/JP2010/054485 WO2010116869A1 (ja) 2009-04-08 2010-03-17 動画像符号化装置および動画像復号装置

Publications (2)

Publication Number Publication Date
BRPI1014257A2 true BRPI1014257A2 (pt) 2016-04-12
BRPI1014257B1 BRPI1014257B1 (pt) 2021-03-09

Family

ID=42936156

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1014257-6A BRPI1014257B1 (pt) 2009-04-08 2010-03-17 aparelho de codificação de vídeo e aparelho de decodificação de vídeo

Country Status (9)

Country Link
US (1) US8855203B2 (pt)
EP (1) EP2418855B1 (pt)
JP (3) JPWO2010116869A1 (pt)
CN (5) CN102388614B (pt)
BR (1) BRPI1014257B1 (pt)
EA (5) EA024522B1 (pt)
MX (1) MX2011010550A (pt)
MY (1) MY157572A (pt)
WO (1) WO2010116869A1 (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9549190B2 (en) * 2009-10-01 2017-01-17 Sk Telecom Co., Ltd. Method and apparatus for encoding/decoding image using variable-size macroblocks
KR20150013776A (ko) 2010-04-09 2015-02-05 미쓰비시덴키 가부시키가이샤 동화상 부호화 장치 및 동화상 복호 장치
MX351072B (es) * 2010-12-17 2017-09-28 Mitsubishi Electric Corp Dispositivo de codificación de imagen, dispositivo de decodificación de imagen, método de codificación de imagen y método de decodificación de imagen.
US8948271B2 (en) * 2011-01-13 2015-02-03 Texas Instruments Incorporated Method and apparatus for a low complexity transform unit partitioning structure for HEVC
CN102685487B (zh) * 2011-03-16 2015-07-08 华为技术有限公司 图像编解码方法、图像编解码设备及网络系统
US8494290B2 (en) * 2011-05-05 2013-07-23 Mitsubishi Electric Research Laboratories, Inc. Method for coding pictures using hierarchical transform units
CN102857755B (zh) * 2011-07-01 2016-12-14 华为技术有限公司 确定变换块尺寸的方法和设备
EP2735154A1 (en) * 2011-07-22 2014-05-28 Motorola Mobility LLC Device and methods for scanning rectangular-shaped transforms in video coding
US9787982B2 (en) 2011-09-12 2017-10-10 Qualcomm Incorporated Non-square transform units and prediction units in video coding
JP2013085096A (ja) * 2011-10-07 2013-05-09 Sony Corp 画像処理装置および方法
US9247254B2 (en) 2011-10-27 2016-01-26 Qualcomm Incorporated Non-square transforms in intra-prediction video coding
CN103096053B (zh) 2011-11-04 2015-10-07 华为技术有限公司 一种变换模式的编解码方法和装置
US20130215970A1 (en) 2011-12-20 2013-08-22 General Instrument Corporation Method and apparatus for last coefficient group position coding
CN102761742B (zh) * 2012-07-03 2017-06-06 华为技术有限公司 变换块划分方法，变换块划分参数的编码方法及解码方法
US10271067B2 (en) * 2013-01-07 2019-04-23 Telefonaktiebolaget L M Ericsson (Publ) Encoding and decoding of slices in pictures of a video stream using different maximum transform sizes
CN105284110B (zh) * 2013-07-31 2019-04-23 太阳专利托管公司 图像编码方法及图像编码装置
JP6187826B2 (ja) 2014-02-04 2017-08-30 パナソニックＩｐマネジメント株式会社 動画像符号化装置及び動画像符号化方法
US9591313B2 (en) * 2014-03-04 2017-03-07 Vixs Systems, Inc. Video encoder with transform size preprocessing and methods for use therewith
CN108307192A (zh) 2014-10-11 2018-07-20 华为技术有限公司 预测块的划分方法、编码设备和解码设备
WO2016136470A1 (ja) * 2015-02-27 2016-09-01 ソニー株式会社 送信装置、送信方法、受信装置および受信方法
FR3038196A1 (fr) * 2015-06-29 2016-12-30 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
US20170150156A1 (en) * 2015-11-25 2017-05-25 Qualcomm Incorporated Illumination compensation with non-square predictive blocks in video coding
CN118784880A (zh) 2016-02-09 2024-10-15 弗劳恩霍夫应用研究促进协会 解码器、编码器、方法、网络设备以及可读存储介质
US10390048B2 (en) * 2016-02-15 2019-08-20 Qualcomm Incorporated Efficient transform coding using optimized compact multi-pass transforms
US10904526B2 (en) 2016-03-28 2021-01-26 Kt Corporation Method and apparatus for processing video signal
KR102531124B1 (ko) * 2016-07-14 2023-05-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 기반 잔차 코딩을 이용한 예측 화상 코딩
FR3057131A1 (fr) * 2016-10-04 2018-04-06 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs, terminal et programmes d'ordinateurs associes
FR3064870A1 (fr) * 2017-03-31 2018-10-05 B<>Com Procede de decodage d'au moins une image numerique, procede de codage, dispositifs, equipement terminal et programmes d'ordinateurs associes
CN112601085A (zh) 2017-06-28 2021-04-02 华为技术有限公司 一种图像数据的编码、解码方法及装置
FR3068556A1 (fr) * 2017-06-29 2019-01-04 B<>Com Procede de decodage d'une image, procede de codage, dispositifs, equipement terminal et programmes d'ordinateurs associes
WO2019151268A1 (ja) 2018-01-30 2019-08-08 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法および復号方法
CN111971959B (zh) * 2018-02-09 2024-06-14 弗劳恩霍夫应用研究促进协会 基于分区的帧内编码概念
CN112567745B (zh) * 2018-03-29 2024-09-06 弗劳恩霍夫应用研究促进协会 用于视频编码的候选变换集合的确定
EP4513870A3 (en) 2019-08-15 2025-04-30 Beijing Dajia Internet Information Technology Co., Ltd. WEAK CHROMA BLOCK SIZE RESTRICTION IN VIDEO CODING
TWI783390B (zh) 2021-02-26 2022-11-11 圓展科技股份有限公司 影像處理系統及產生動態影像分割畫面的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241395A (en) * 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
CN100518319C (zh) * 1996-12-18 2009-07-22 汤姆森消费电子有限公司 将数据压缩成固定长度数据块及解压的方法
US6529634B1 (en) * 1999-11-08 2003-03-04 Qualcomm, Inc. Contrast sensitive variance based adaptive block size DCT image compression
WO2001050325A2 (en) * 2000-01-03 2001-07-12 Efeckta Technologies Corporation Lossless data compression
DE10022331A1 (de) * 2000-05-10 2001-11-15 Bosch Gmbh Robert Verfahren zur Transformationscodierung von Bewegtbildsequenzen
JP3679083B2 (ja) * 2002-10-08 2005-08-03 株式会社エヌ・ティ・ティ・ドコモ 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、画像符号化プログラム、画像復号プログラム
MXPA05006718A (es) * 2003-02-21 2005-09-08 Matsushita Electric Ind Co Ltd Metodo de codificacion de imagenes y metodo de decodificacion de imagenes.
CN100401780C (zh) * 2004-05-07 2008-07-09 美国博通公司 在视频解码器中动态选择变换尺寸的方法和系统
US8116374B2 (en) * 2004-05-07 2012-02-14 Broadcom Corporation Method and system for generating a transform size syntax element for video decoding
CN1589023A (zh) * 2004-08-06 2005-03-02 联合信源数字音视频技术（北京）有限公司 一种基于上下文的多码表变长编解码方法及编解码装置
KR100703770B1 (ko) * 2005-03-25 2007-04-06 삼성전자주식회사 가중 예측을 이용한 비디오 코딩 및 디코딩 방법, 이를위한 장치
JP4889231B2 (ja) 2005-03-31 2012-03-07 三洋電機株式会社 画像符号化方法および装置、画像復号方法
JP2008219205A (ja) * 2007-02-28 2008-09-18 Sony Corp 画像情報符号化装置及び画像情報符号化方法
JP4922101B2 (ja) * 2007-08-21 2012-04-25 株式会社東芝 情報処理装置およびインター予測モード判定方法
JP4937224B2 (ja) 2008-09-30 2012-05-23 株式会社東芝 画像符号化装置
AU2009298559B2 (en) * 2008-10-03 2014-08-21 Qualcomm Incorporated Video coding using transforms bigger than 4x4 and 8x8

Also Published As

Publication number Publication date
EA201690324A1 (ru) 2016-10-31
EA201690320A3 (ru) 2016-10-31
EP2418855A1 (en) 2012-02-15
EA201690329A1 (ru) 2016-11-30
CN102388614A (zh) 2012-03-21
CN104717504A (zh) 2015-06-17
HK1211399A1 (en) 2016-05-20
JP2017028726A (ja) 2017-02-02
CN104717502A (zh) 2015-06-17
EA024522B1 (ru) 2016-09-30
EP2418855B1 (en) 2017-12-27
CN102388614B (zh) 2015-04-29
MX2011010550A (es) 2011-10-19
BRPI1014257B1 (pt) 2021-03-09
JP6239713B2 (ja) 2017-11-29
CN104717504B (zh) 2018-04-06
HK1211400A1 (en) 2016-05-20
EA201690320A2 (ru) 2016-09-30
EA201690326A1 (ru) 2016-10-31
CN104717503A (zh) 2015-06-17
JPWO2010116869A1 (ja) 2012-10-18
US8855203B2 (en) 2014-10-07
WO2010116869A1 (ja) 2010-10-14
CN104717505B (zh) 2019-01-11
CN104717505A (zh) 2015-06-17
EA029351B1 (ru) 2018-03-30
CN104717502B (zh) 2018-06-22
EA029773B1 (ru) 2018-05-31
HK1211398A1 (en) 2016-05-20
EP2418855A4 (en) 2013-07-24
JP6012816B2 (ja) 2016-10-25
JP2015173505A (ja) 2015-10-01
CN104717503B (zh) 2018-12-04
HK1211401A1 (en) 2016-05-20
MY157572A (en) 2016-06-30
US20120033731A1 (en) 2012-02-09
EA201101473A1 (ru) 2012-04-30
EA029414B1 (ru) 2018-03-30

Similar Documents

Publication Publication Date Title
BRPI1014257A2 (pt) aparelho de codificação de vídeo e aparelho de decodificação de vídeo
BRPI0924908A2 (pt) aparelho de codificação de vídeo e aparelho de decodificação de vídeo
BRPI1011333A2 (pt) dispositivo de codificação e de decodificação de vídeo, e, métodos de codificação e de decodificação de vídeo
BRPI0907753A2 (pt) Aparelho de codificação/decodificação de vídeo
BRPI1015415A2 (pt) dispositivos e métodos de codificação e de decodificação de imagem
BRPI1015984A2 (pt) dispositivos e métodos de codificação e de decotificação de imagem.
BRPI1005386A2 (pt) aparelho de codificação de imagem, aparelho de decodificação de imagem, método de codificação de imagem e método de decodificação de imagem
BR112012001687A2 (pt) método de decodificação de vídeo, e aparelho de decodificação de vídeo
EP2461321A4 (en) CODING DEVICE AND DECODING DEVICE
BRPI0818603A2 (pt) método de codificação de vídeo e método de decodificação de vídeo
BRPI0906880A2 (pt) Método de codificação de imagem e método de decodificação de imagem
BR112013000579A2 (pt) dispositivo de codificação de vídeo, dispositivo de decodificação de vídeo, método de codificação de vídeo método de decodificação de vídeo, programa de codificação de vídeo e programa de decodificação de vídeo
SG10202001623RA (en) Moving image encoding device and moving image decoding device
EP2605514A4 (en) IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING DEVICE, AND IMAGE DECODING DEVICE
EP2523458A4 (en) VIDEO ENCODING DEVICE, AND VIDEO DECODING DEVICE
EP2173035A4 (en) ENCODING DEVICE AND DECODING DEVICE
PL3288262T3 (pl) Sposób dekodowania wideo
PL3618431T3 (pl) Kodowanie i dekodowanie obrazu wizyjnego
BRPI0822364A2 (pt) método e aparelho de codificação/decodificação de vídeo
BR112014009569A2 (pt) dispositivos e métodos de codificação e decodificação de vídeo
BRPI0906824A2 (pt) Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método de codificação de imagem e método de decodificação de imagem
BRPI0821500A2 (pt) Codificação de vídeo e profundidade
BR112014009571A2 (pt) dispositivos e métodos de codificação e de decodificação de vídeo
BRPI1008500A2 (pt) método de codificação de imagem de multivisão, método de decodificação de imagem de multivisão, dispositivo de codificação de imagem de multivisão, dispositivo de decodificaçãode imagem de multivisão, programa de codificação de imagem de multivisão, e programa de decodificação de imagem de multivisão
PT3567856T (pt) Dispositivo de descodificação de previsão de imagem e método de descodificação de previsão de imagem

Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 19/109 (2014.01), H04N 19/119 (2014.0

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 09/03/2021, OBSERVADAS AS CONDICOES LEGAIS.