JP6285559B2 - 低複雑度サンプル適応オフセット符号化 - Google Patents

低複雑度サンプル適応オフセット符号化 Download PDF

Info

Publication number
JP6285559B2
JP6285559B2 JP2016548696A JP2016548696A JP6285559B2 JP 6285559 B2 JP6285559 B2 JP 6285559B2 JP 2016548696 A JP2016548696 A JP 2016548696A JP 2016548696 A JP2016548696 A JP 2016548696A JP 6285559 B2 JP6285559 B2 JP 6285559B2
Authority
JP
Japan
Prior art keywords
lcu
sao
video encoder
mode
samples
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2016548696A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017507571A (ja
JP2017507571A5 (enExample
Inventor
アサナシオス・レオンタリス
マン・リ
スミット・モハン
イン・スク・チョン
ハリハラン・ガネシュ・ラルグディ
Original Assignee
クアルコム，インコーポレイテッド
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 クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2017507571A publication Critical patent/JP2017507571A/ja
Publication of JP2017507571A5 publication Critical patent/JP2017507571A5/ja
Application granted granted Critical
Publication of JP6285559B2 publication Critical patent/JP6285559B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/10—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
    • H04N19/182—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 a pixel
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
JP2016548696A 2014-01-30 2015-01-22 低複雑度サンプル適応オフセット符号化 Expired - Fee Related JP6285559B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201461933718P 2014-01-30 2014-01-30
US61/933,718 2014-01-30
US14/274,215 2014-05-09
US14/274,215 US9628822B2 (en) 2014-01-30 2014-05-09 Low complexity sample adaptive offset encoding
PCT/US2015/012514 WO2015116472A1 (en) 2014-01-30 2015-01-22 Low complexity sample adaptive offset encoding

Publications (3)

Publication Number Publication Date
JP2017507571A JP2017507571A (ja) 2017-03-16
JP2017507571A5 JP2017507571A5 (enExample) 2017-07-27
JP6285559B2 true JP6285559B2 (ja) 2018-02-28

Family

ID=53680334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016548696A Expired - Fee Related JP6285559B2 (ja) 2014-01-30 2015-01-22 低複雑度サンプル適応オフセット符号化

Country Status (6)

Country Link
US (1) US9628822B2 (enExample)
EP (1) EP3100456B1 (enExample)
JP (1) JP6285559B2 (enExample)
KR (1) KR20160114087A (enExample)
CN (1) CN105940677B (enExample)
WO (1) WO2015116472A1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2982695C (en) * 2011-06-24 2019-05-21 Lg Electronics Inc. Image information encoding and decoding method
FR3018417B1 (fr) * 2014-03-04 2017-07-28 Sagemcom Broadband Sas Procede de modification d'un flux video binaire.
US10244258B2 (en) * 2014-06-23 2019-03-26 Mediatek Singapore Pte. Ltd. Method of segmental prediction for depth and texture data in 3D and multi-view coding systems
US9521423B2 (en) * 2014-06-26 2016-12-13 Sony Corporation Data encoding and decoding apparatus, method and storage medium
EP3206403A4 (en) * 2014-11-04 2017-11-01 Samsung Electronics Co., Ltd. Video encoding method and apparatus therefor, and video decoding method and apparatus therefor, in which edge type offset is applied
KR102390162B1 (ko) * 2015-10-16 2022-04-22 삼성전자주식회사 데이터 인코딩 장치 및 데이터 인코딩 방법
JP2017085496A (ja) * 2015-10-30 2017-05-18 キヤノン株式会社 動画像符号化装置及びその制御方法、コンピュータプログラム
EP3280143A1 (en) * 2016-08-04 2018-02-07 Thomson Licensing A method and an apparatus for image block encoding and decoding
EP3291553A1 (en) * 2016-08-30 2018-03-07 Thomson Licensing Method and apparatus for video coding with sample adaptive offset
WO2018070723A1 (ko) * 2016-10-11 2018-04-19 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
KR20180074150A (ko) * 2016-12-23 2018-07-03 삼성전자주식회사 Sao 필터링을 포함하는 비디오 데이터의 부호화를 위한 방법 및 장치
EP3550842A4 (en) * 2016-12-30 2020-06-10 Huawei Technologies Co., Ltd. IMAGE FILTERING METHOD, APPARATUS AND DEVICE
EP3349459A1 (en) 2017-01-11 2018-07-18 Thomson Licensing A method and a device for image encoding and decoding
US11399187B2 (en) * 2017-03-10 2022-07-26 Intel Corporation Screen content detection for adaptive encoding
CN106993187B (zh) * 2017-04-07 2019-09-06 珠海全志科技股份有限公司 一种可变帧率的编码方法及装置
KR20200005539A (ko) * 2017-04-11 2020-01-15 브이아이디 스케일, 인크. 면 연속성을 사용하는 360 도 비디오 코딩
CN109327699B (zh) * 2017-07-31 2021-07-16 华为技术有限公司 一种图像的处理方法、终端和服务器
JP6992351B2 (ja) * 2017-09-19 2022-01-13 富士通株式会社 情報処理装置、情報処理方法および情報処理プログラム
WO2019083243A1 (ko) * 2017-10-23 2019-05-02 에스케이텔레콤 주식회사 Sao 필터링을 위한 방법 및 장치
CN109756736B (zh) * 2017-11-01 2021-02-12 北京金山云网络技术有限公司 Sao模式决策方法、装置、电子设备及可读存储介质
CN120455715A (zh) * 2019-06-21 2025-08-08 三星电子株式会社 视频编码方法和装置以及视频解码方法和装置
WO2021083258A1 (en) * 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive loop filter using luma differences
CN116783889A (zh) 2021-02-22 2023-09-19 北京达佳互联信息技术有限公司 跨分量样本自适应偏移中的编解码增强
CN113068036B (zh) * 2021-03-17 2022-10-28 上海哔哩哔哩科技有限公司 用于样点自适应补偿的方法及装置、设备和介质
CN113068037B (zh) * 2021-03-17 2022-12-06 上海哔哩哔哩科技有限公司 用于样点自适应补偿的方法及装置、设备和介质
EP4430825A4 (en) * 2021-11-08 2025-08-20 Beijing Dajia Internet Information Tech Co Ltd ADAPTIVE CROSS-COMPONENT SAMPLE SHIFT
CN118318438A (zh) * 2021-11-25 2024-07-09 北京达佳互联信息技术有限公司 跨分量样本自适应偏移
CN114363613B (zh) * 2022-01-10 2023-11-28 北京达佳互联信息技术有限公司 滤波方法和滤波装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7277592B1 (en) * 2003-10-21 2007-10-02 Redrock Semiconductory Ltd. Spacial deblocking method using limited edge differences only to linearly correct blocking artifact
JP2009175958A (ja) * 2008-01-23 2009-08-06 Seiko Epson Corp 除算器および除算方法、並びに除算器を用いた画像符号化装置
US8964852B2 (en) * 2011-02-23 2015-02-24 Qualcomm Incorporated Multi-metric filtering
US9008170B2 (en) * 2011-05-10 2015-04-14 Qualcomm Incorporated Offset type and coefficients signaling method for sample adaptive offset
US10038903B2 (en) 2011-06-22 2018-07-31 Texas Instruments Incorporated Method and apparatus for sample adaptive offset parameter estimation in video coding
CN106604038B (zh) 2011-06-23 2020-05-08 华为技术有限公司 偏移解码装置、偏移编码装置、图像滤波器装置
CN110519592B (zh) * 2011-06-28 2021-06-01 索尼公司 图像处理装置和图像处理方法
US9357235B2 (en) 2011-10-13 2016-05-31 Qualcomm Incorporated Sample adaptive offset merged with adaptive loop filter in video coding
JP2013138395A (ja) * 2011-11-04 2013-07-11 Sharp Corp 画像フィルタ装置、画像復号装置、画像符号化装置、および、データ構造
WO2013070147A1 (en) * 2011-11-07 2013-05-16 Telefonaktiebolaget L M Ericsson (Publ) Improved sample adaptive offset compensation of video data
GB201119206D0 (en) 2011-11-07 2011-12-21 Canon Kk Method and device for providing compensation offsets for a set of reconstructed samples of an image
CN104094601B (zh) 2011-11-08 2018-01-19 谷歌技术控股有限责任公司 用于采样自适应偏移编码和/或信令的装置和方法
US9282328B2 (en) * 2012-02-10 2016-03-08 Broadcom Corporation Sample adaptive offset (SAO) in accordance with video coding
US9549176B2 (en) 2012-04-06 2017-01-17 Google Technology Holdings LLC Devices and methods for signaling sample adaptive offset (SAO) parameters
US9031137B2 (en) 2012-05-03 2015-05-12 Texas Instruments Incorporated Signaling signed band offset values for sample adaptive offset (SAO) filtering in video coding
US20130336386A1 (en) 2012-06-18 2013-12-19 Qualcomm Incorporated Sample adaptive offset (sao) coding
US20140301447A1 (en) * 2013-04-08 2014-10-09 Research In Motion Limited Methods for reconstructing an encoded video at a bit-depth lower than at which it was encoded

Also Published As

Publication number Publication date
US9628822B2 (en) 2017-04-18
CN105940677A (zh) 2016-09-14
JP2017507571A (ja) 2017-03-16
EP3100456A1 (en) 2016-12-07
KR20160114087A (ko) 2016-10-04
WO2015116472A1 (en) 2015-08-06
EP3100456B1 (en) 2020-01-15
US20150215617A1 (en) 2015-07-30
CN105940677B (zh) 2019-05-03

Similar Documents

Publication Publication Date Title
JP6285559B2 (ja) 低複雑度サンプル適応オフセット符号化
KR102798250B1 (ko) 비디오 코딩에서 매트릭스 인트라 예측 파라미터들의 시그널링
JP7548939B2 (ja) ビデオコーディングにおけるアフィン線形重み付けイントラ予測
TWI826519B (zh) 用於係數寫碼之規則寫碼位元子之減少
TWI759389B (zh) 用於視訊寫碼之低複雜度符號預測
TWI848073B (zh) 用於轉換跳過模式之係數寫碼
TWI776818B (zh) 用於視頻寫碼之線性模型色度內預測
JP5833249B2 (ja) ビデオコーディングのための適応的な中心帯域オフセットフィルタ
US9167269B2 (en) Determining boundary strength values for deblocking filtering for video coding
JP5587508B2 (ja) ビデオコード化のためのイントラ平滑化フィルタ
JP6162212B2 (ja) マージシグナリングおよびループフィルタオン／オフシグナリング
CN114402604B (zh) 用于视频编解码的简化调色板预测器更新
US11140418B2 (en) Block-based adaptive loop filter design and signaling
US11412262B2 (en) Nonlinear extensions of adaptive loop filtering for video coding
TWI856996B (zh) 用於係數位準之逃逸寫碼
TWI827662B (zh) 用於係數寫碼之規則寫碼位元子之減少
JP2018078569A (ja) ビデオコード化のためのｌｃｕベースの適応ループフィルタ処理
CN114402603B (zh) 视频编解码中无损/有损编解码模式的rice参数推导
JP2015516764A (ja) ビデオコーディングにおけるデブロッキングフィルタのためのベータオフセット制御
JP7771187B2 (ja) 高ビット深度ビデオコーディング用のｒｉｃｅパラメータ導出のための低複雑度履歴の使用
US11134258B2 (en) Predictive coefficient coding
KR20230123947A (ko) 고정 필터들을 갖는 적응적 루프 필터
CN118489246A (zh) 用于视频译码的上下文自适应二进制算术译码（cabac）概率估计
US20240357095A1 (en) Adaptive video filter
RU2795695C2 (ru) Фильтр устранения блочности для кодирования и обработки видео

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160802

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170614

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170614

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20170614

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170911

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20170912

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170915

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171215

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180105

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180201

R150 Certificate of patent or registration of utility model

Ref document number: 6285559

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees