BR112012027438A2 - modo de filtragem para intrapredição inferida de estatísticas de blocos circundantes - Google Patents

modo de filtragem para intrapredição inferida de estatísticas de blocos circundantes

Info

Publication number
BR112012027438A2
BR112012027438A2 BR112012027438-4A BR112012027438A BR112012027438A2 BR 112012027438 A2 BR112012027438 A2 BR 112012027438A2 BR 112012027438 A BR112012027438 A BR 112012027438A BR 112012027438 A2 BR112012027438 A2 BR 112012027438A2
Authority
BR
Brazil
Prior art keywords
intraprediction
inferred
filtering mode
surrounding block
filtering
Prior art date
Application number
BR112012027438-4A
Other languages
English (en)
Other versions
BR112012027438B1 (pt
Inventor
Wittmann Steffen
Drugeon Virginie
Narroschke Matthias
Wedi Thomas
Original Assignee
Panasonic Corporation
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
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Publication of BR112012027438A2 publication Critical patent/BR112012027438A2/pt
Publication of BR112012027438B1 publication Critical patent/BR112012027438B1/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/182Methods 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 a pixel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

modo de filtragem para intrapredição inferida de estatisticas de blocos circundantes. a invenção refere-se à intrapredição a qual pode ser executada durante a codificação e/ou decodificação de um sinal de imagem. especificamente, a invenção refere-se à intrapredição de um bloco corrente, durante a qual uma filtragem é aplicada ao sinal de predição e/ou ao sinal utilizado para a predição. a filtragem é aplicada de acordo com uma decisão com base em características de sinal de imagem incluída em bloco(s) espacialmente adjacente(s) ao bloco corrente.
BR112012027438-4A 2010-04-26 2011-04-26 Método para decodificar, meio legível por computador e aparelho para decodificar BR112012027438B1 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US32792910P 2010-04-26 2010-04-26
US61327929 2010-04-26
US61/327,929 2010-04-26
PCT/EP2011/002089 WO2011134641A1 (en) 2010-04-26 2011-04-26 Filtering mode for intra prediction inferred from statistics of surrounding blocks

Publications (2)

Publication Number Publication Date
BR112012027438A2 true BR112012027438A2 (pt) 2019-02-12
BR112012027438B1 BR112012027438B1 (pt) 2022-02-22

Family

ID=44115563

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012027438-4A BR112012027438B1 (pt) 2010-04-26 2011-04-26 Método para decodificar, meio legível por computador e aparelho para decodificar

Country Status (11)

Country Link
US (4) US9197893B2 (pt)
EP (2) EP3288265B1 (pt)
JP (2) JP5871906B2 (pt)
KR (1) KR101784031B1 (pt)
CN (2) CN108718413B (pt)
AU (1) AU2011247331B2 (pt)
BR (1) BR112012027438B1 (pt)
CA (1) CA2797313C (pt)
MX (1) MX2012012443A (pt)
SG (2) SG10201503012YA (pt)
WO (1) WO2011134641A1 (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110113561A (ko) * 2010-04-09 2011-10-17 한국전자통신연구원 적응적인 필터를 이용한 인트라 예측 부호화/복호화 방법 및 그 장치
CA3160488C (en) 2010-07-02 2023-09-05 Dolby International Ab Audio decoding with selective post filtering
CN105516723B (zh) * 2010-09-30 2018-07-27 三菱电机株式会社 运动图像编码装置及方法、运动图像解码装置及方法
CN108848379A (zh) * 2010-12-07 2018-11-20 韩国电子通信研究院 视频编解码方法、生成比特流的方法和存储比特流的介质
US9930366B2 (en) * 2011-01-28 2018-03-27 Qualcomm Incorporated Pixel level adaptive intra-smoothing
ES2715704T3 (es) * 2011-03-09 2019-06-05 Nec Corp Dispositivo de decodificación de vídeo, método de decodificación de vídeo y programa de decodificación de vídeo
US9800870B2 (en) * 2011-09-16 2017-10-24 Qualcomm Incorporated Line buffer reduction for short distance intra-prediction
US10645398B2 (en) 2011-10-25 2020-05-05 Texas Instruments Incorporated Sample-based angular intra-prediction in video coding
US9282344B2 (en) 2011-11-04 2016-03-08 Qualcomm Incorporated Secondary boundary filtering for video coding
US9386305B2 (en) * 2011-11-28 2016-07-05 Qualcomm Incorporated Largest coding unit (LCU) or partition-based syntax for adaptive loop filter and sample adaptive offset in video coding
KR102094557B1 (ko) * 2011-12-19 2020-03-27 소니 주식회사 화상 처리 장치 및 방법
RU2676242C1 (ru) * 2013-01-29 2018-12-26 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Декодер для формирования аудиосигнала с улучшенной частотной характеристикой, способ декодирования, кодер для формирования кодированного сигнала и способ кодирования с использованием компактной дополнительной информации для выбора
KR102217225B1 (ko) * 2013-04-29 2021-02-18 인텔렉추얼디스커버리 주식회사 인트라 예측 방법 및 장치
US10602155B2 (en) 2013-04-29 2020-03-24 Intellectual Discovery Co., Ltd. Intra prediction method and apparatus
US9451254B2 (en) * 2013-07-19 2016-09-20 Qualcomm Incorporated Disabling intra prediction filtering
KR20180006915A (ko) * 2015-05-12 2018-01-19 삼성전자주식회사 인트라 예측을 수행하는 영상 복호화 방법 및 그 장치 및 인트라 예측을 수행하는 영상 부호화 방법 및 그 장치
JP6383327B2 (ja) * 2015-06-10 2018-08-29 日本電信電話株式会社 イントラ予測処理装置、イントラ予測処理方法、イントラ予測処理プログラム、画像符号化装置及び画像復号装置
WO2017142326A1 (ko) * 2016-02-16 2017-08-24 삼성전자 주식회사 비디오 부호화 방법 및 장치, 그 복호화 방법 및 장치
EP3396953A4 (en) 2016-02-16 2019-01-16 Samsung Electronics Co., Ltd. METHOD AND APPARATUS FOR ENCODING / DECODING AN IMAGE
WO2017175898A1 (ko) * 2016-04-07 2017-10-12 엘지전자(주) 인트라 예측 필터링을 이용하여 비디오 신호를 인코딩, 디코딩하는 방법 및 장치
WO2018212430A1 (ko) * 2017-05-15 2018-11-22 엘지전자 주식회사 영상 코딩 시스템에서 주파수 도메인 필터링 방법 및 그 장치
WO2019240630A1 (en) * 2018-06-13 2019-12-19 Huawei Technologies Co., Ltd. Intra sharpening and/or de-ringing filter for video coding
EP3800883A4 (en) 2018-06-25 2021-07-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. INTRAFRAME PREDICTION PROCESS AND DEVICE
KR102598576B1 (ko) 2018-07-02 2023-11-06 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 코딩에서의 필터링을 위한 장치 및 방법
CN110166773B (zh) * 2019-06-25 2021-08-31 浙江大华技术股份有限公司 帧内预测方法、视频编码方法、视频处理装置、存储介质
US11159822B2 (en) * 2019-07-11 2021-10-26 Qualcomm Incorporated Intra-prediction according to virtual boundaries for video coding
US11375243B2 (en) * 2019-07-17 2022-06-28 Tencent America LLC Method and apparatus for video coding
US11438639B2 (en) * 2020-03-03 2022-09-06 Microsoft Technology Licensing, Llc Partial-video near-duplicate detection
KR102189259B1 (ko) * 2020-08-20 2020-12-09 인텔렉추얼디스커버리 주식회사 인트라 예측 방법 및 장치

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6281942B1 (en) * 1997-08-11 2001-08-28 Microsoft Corporation Spatial and temporal filtering mechanism for digital motion video signals
US6973221B1 (en) * 1999-12-14 2005-12-06 Lsi Logic Corporation Method and apparatus for reducing block related artifacts in video
US6930982B2 (en) * 2000-12-12 2005-08-16 Cisco Technology, Inc. Devices, software and methods for measuring packet loss burstiness to determine quality of voice data transmission through a network
US7450641B2 (en) * 2001-09-14 2008-11-11 Sharp Laboratories Of America, Inc. Adaptive filtering based upon boundary strength
CA2582664C (en) 2001-09-12 2012-04-24 Matsushita Electric Industrial Co., Ltd. Picture coding method and picture decoding method
CN100358366C (zh) * 2002-07-11 2007-12-26 松下电器产业株式会社 滤波强度的决定方法、动态图像编码方法及解码方法
US20050100235A1 (en) 2003-11-07 2005-05-12 Hao-Song Kong System and method for classifying and filtering pixels
US7551793B2 (en) 2004-01-14 2009-06-23 Samsung Electronics Co., Ltd. Methods and apparatuses for adaptive loop filtering for reducing blocking artifacts
US7460596B2 (en) * 2004-04-29 2008-12-02 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
NO322722B1 (no) * 2004-10-13 2006-12-04 Tandberg Telecom As Fremgangsmate for videokoding gjennom reduksjon av blokkartefakter
JP4317814B2 (ja) 2004-12-06 2009-08-19 株式会社ルネサステクノロジ 動画像情報の符号化装置及び符号化方法
DE102005025629A1 (de) * 2005-06-03 2007-03-22 Micronas Gmbh Bildverarbeitungsverfahren zur Reduzierung von Blocking-Artefakten
KR100678958B1 (ko) * 2005-07-29 2007-02-06 삼성전자주식회사 인트라 bl 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더
KR100727990B1 (ko) * 2005-10-01 2007-06-13 삼성전자주식회사 영상의 인트라 예측 부호화 방법 및 그 방법을 사용하는부호화 장치
KR100772873B1 (ko) * 2006-01-12 2007-11-02 삼성전자주식회사 스무딩 예측을 이용한 다계층 기반의 비디오 인코딩 방법,디코딩 방법, 비디오 인코더 및 비디오 디코더
EP1980109B1 (en) * 2006-01-31 2018-07-11 Thomson Licensing DTV Methods and apparatus for edge-based spatio-temporal filtering
KR100745765B1 (ko) 2006-04-13 2007-08-02 삼성전자주식회사 화상 데이터의 공간상 예측 장치 및 방법과 그를 이용한부호화 장치 및 방법, 화상 데이터의 공간상 예측 보상장치 및 방법과 그를 이용한 복호화 장치 및 방법
JP2008072647A (ja) * 2006-09-15 2008-03-27 Toshiba Corp 情報処理装置、デコーダおよび再生装置の動作制御方法
JP4571955B2 (ja) * 2007-02-07 2010-10-27 日本電信電話株式会社 適応デブロッキング処理方法,装置および適応デブロッキング処理プログラム並びにコンピュータ読み取り可能な記録媒体
EP2003896A1 (en) 2007-06-12 2008-12-17 Panasonic Corporation Statistical image enhancement
EP2081386A1 (en) * 2008-01-18 2009-07-22 Panasonic Corporation High precision edge prediction for intracoding
US8059909B2 (en) * 2008-04-29 2011-11-15 Sony Corporation Adaptive generation of irregular spatial sub-sampling for images
JP2010035137A (ja) 2008-07-01 2010-02-12 Sony Corp 画像処理装置および方法、並びにプログラム
CN102150426B (zh) 2008-09-09 2014-10-29 马维尔国际贸易有限公司 减少数字图像噪声
JP2010068538A (ja) * 2009-11-18 2010-03-25 Sharp Corp 画像復号方法及び復号装置

Also Published As

Publication number Publication date
SG185050A1 (en) 2012-12-28
CN108718413A (zh) 2018-10-30
EP2564593A1 (en) 2013-03-06
EP3288265B1 (en) 2019-01-23
US20180234695A1 (en) 2018-08-16
BR112012027438B1 (pt) 2022-02-22
US9973772B2 (en) 2018-05-15
KR101784031B1 (ko) 2017-10-10
KR20130051950A (ko) 2013-05-21
EP2564593B1 (en) 2018-01-03
AU2011247331B2 (en) 2015-11-26
CA2797313A1 (en) 2011-11-03
CN102948144B (zh) 2018-09-21
US10116955B2 (en) 2018-10-30
SG10201503012YA (en) 2015-06-29
EP3288265A1 (en) 2018-02-28
JP6064235B2 (ja) 2017-01-25
US20160021383A1 (en) 2016-01-21
CA2797313C (en) 2018-05-15
US20130101032A1 (en) 2013-04-25
US20190028728A1 (en) 2019-01-24
US10477229B2 (en) 2019-11-12
JP2016048966A (ja) 2016-04-07
CN108718413B (zh) 2021-12-07
CN102948144A (zh) 2013-02-27
MX2012012443A (es) 2012-11-21
JP5871906B2 (ja) 2016-03-01
US9197893B2 (en) 2015-11-24
JP2013527693A (ja) 2013-06-27
WO2011134641A1 (en) 2011-11-03

Similar Documents

Publication Publication Date Title
BR112012027438A2 (pt) modo de filtragem para intrapredição inferida de estatísticas de blocos circundantes
MY156223A (en) Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging
WO2012005520A3 (en) Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging
PH12017502373A1 (en) Method and apparatus for encoding video and method and apparatus for decoding video determining inter-prediction reference picture list depending on block size
MY162381A (en) Encoding or decoding method and apparatus
WO2011099792A3 (ko) 비디오 신호의 처리 방법 및 장치
BR112012025310A2 (pt) método de determinar um modo de intra predição de uma unidade de codificação de uma imagem atual, equipamento para determinar um modo de intra predição de uma unidade de codificação de uma imagem atual, método de determinar um modo de intra predição de uma unidade de decodificação de uma imagem atual, e equipamento para decodificar uma imagem
GB2557516A8 (en) Method for inducing a merge candidate block and device using same
WO2012121535A3 (ko) 휘도 샘플을 이용한 색차 블록의 화면 내 예측 방법 및 이러한 방법을 사용하는 장치
WO2013067334A3 (en) Intra-mode video coding
PH12015501606A1 (en) Method and device for encoding intra prediction mode for image prediction unit, and method and device for decoding intra prediction mode for image prediction unit
BR112013002055A2 (pt) direção de predição de movimento de codificação em codificação de vídeo
BR122020015319A8 (pt) Aparelho de decodificação de dados de vídeo
UA113446C2 (xx) Кодування одиниць nal sei для кодування відео
BR112021025376A2 (pt) Modo inter e intra predição combinado para codificação de vídeo
MX2013005754A (es) Metodo para señalizar informacion de imagen, y metodo para decodificar informacion de imagen utilizando el mismo.
WO2012057583A3 (ko) 영상 정보 부호화 방법 및 복호화 방법
MY162191A (en) Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
BR112013018734A2 (pt) construção de lista de imagem de referência única para codificação de vídeo
WO2019050385A3 (ko) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
TW200746840A (en) Encoding device, encoding method, and program
EP2094017A3 (en) Method for direct mode encoding and decoding
BRPI0809512A2 (pt) método e aparelho para mesclagem dependente de contexto para modos salto-direto para codificação e decodificação de vídeo
WO2010039000A3 (ko) 예측 모드를 이용한 영상 부호화 장치 및 복호화 장치
MY186093A (en) Image encoding device, and image decoding device

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25A Requested transfer of rights approved

Owner name: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AME

B25A Requested transfer of rights approved

Owner name: SUN PATENT TRUST (US)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 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: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/04/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.