JP7390300B2 - ビデオコーディングにおける適応ループフィルタを簡略化する方法 - Google Patents

ビデオコーディングにおける適応ループフィルタを簡略化する方法 Download PDF

Info

Publication number
JP7390300B2
JP7390300B2 JP2020544339A JP2020544339A JP7390300B2 JP 7390300 B2 JP7390300 B2 JP 7390300B2 JP 2020544339 A JP2020544339 A JP 2020544339A JP 2020544339 A JP2020544339 A JP 2020544339A JP 7390300 B2 JP7390300 B2 JP 7390300B2
Authority
JP
Japan
Prior art keywords
diagonal
pixels
alf
video block
current video
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.)
Active
Application number
JP2020544339A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021503862A (ja
JP2021503862A5 (https=
Inventor
ラーフル・ヴァナム
ユウェン・ヘ
ヤン・イェ
Original Assignee
ヴィド スケール 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 ヴィド スケール インコーポレイテッド filed Critical ヴィド スケール インコーポレイテッド
Publication of JP2021503862A publication Critical patent/JP2021503862A/ja
Publication of JP2021503862A5 publication Critical patent/JP2021503862A5/ja
Priority to JP2023196659A priority Critical patent/JP7656015B2/ja
Application granted granted Critical
Publication of JP7390300B2 publication Critical patent/JP7390300B2/ja
Priority to JP2025046713A priority patent/JP2025094155A/ja
Active 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
    • H04N19/10—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
    • H04N19/80—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/211—Selection of the most significant subset of features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G06F18/243—Classification techniques relating to the number of classes
    • G06F18/2431—Multiple classes
    • 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
    • H04N19/105—Selection 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
    • 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
    • H04N19/169—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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020544339A 2017-11-01 2018-10-31 ビデオコーディングにおける適応ループフィルタを簡略化する方法 Active JP7390300B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023196659A JP7656015B2 (ja) 2017-11-01 2023-11-20 ビデオコーディングにおける適応ループフィルタを簡略化する方法
JP2025046713A JP2025094155A (ja) 2017-11-01 2025-03-21 ビデオコーディングにおける適応ループフィルタを簡略化する方法

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762579977P 2017-11-01 2017-11-01
US62/579,977 2017-11-01
US201762607033P 2017-12-18 2017-12-18
US62/607,033 2017-12-18
PCT/US2018/058360 WO2019089695A1 (en) 2017-11-01 2018-10-31 Methods for simplifying adaptive loop filter in video coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023196659A Division JP7656015B2 (ja) 2017-11-01 2023-11-20 ビデオコーディングにおける適応ループフィルタを簡略化する方法

Publications (3)

Publication Number Publication Date
JP2021503862A JP2021503862A (ja) 2021-02-12
JP2021503862A5 JP2021503862A5 (https=) 2021-12-09
JP7390300B2 true JP7390300B2 (ja) 2023-12-01

Family

ID=64453588

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2020544339A Active JP7390300B2 (ja) 2017-11-01 2018-10-31 ビデオコーディングにおける適応ループフィルタを簡略化する方法
JP2023196659A Active JP7656015B2 (ja) 2017-11-01 2023-11-20 ビデオコーディングにおける適応ループフィルタを簡略化する方法
JP2025046713A Pending JP2025094155A (ja) 2017-11-01 2025-03-21 ビデオコーディングにおける適応ループフィルタを簡略化する方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2023196659A Active JP7656015B2 (ja) 2017-11-01 2023-11-20 ビデオコーディングにおける適応ループフィルタを簡略化する方法
JP2025046713A Pending JP2025094155A (ja) 2017-11-01 2025-03-21 ビデオコーディングにおける適応ループフィルタを簡略化する方法

Country Status (10)

Country Link
US (3) US11641488B2 (https=)
EP (2) EP4676052A3 (https=)
JP (3) JP7390300B2 (https=)
KR (2) KR102830927B1 (https=)
CN (3) CN117041536A (https=)
CA (1) CA3081252A1 (https=)
PL (1) PL3704858T3 (https=)
SG (1) SG11202003927TA (https=)
WO (1) WO2019089695A1 (https=)
ZA (1) ZA202002084B (https=)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210130735A (ko) 2019-03-02 2021-11-01 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 인-루프 필터링에 대한 제한들
WO2020177703A1 (en) * 2019-03-04 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Signaling of filtering information in video processing
WO2020192645A1 (en) 2019-03-24 2020-10-01 Beijing Bytedance Network Technology Co., Ltd. Multi-parameter adaptive loop filtering in video processing
WO2020211770A1 (en) 2019-04-15 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Temporal prediction of parameters in non-linear adaptive loop filter
WO2020211810A1 (en) 2019-04-16 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. On adaptive loop filtering for video coding
CN113711612B (zh) 2019-04-20 2023-05-26 北京字节跳动网络技术有限公司 视频编解码中的色度语法元素的信令
CN115567707B (zh) 2019-05-30 2025-05-13 抖音视界有限公司 一种处理视频数据的方法、装置、介质
KR20220016839A (ko) 2019-06-04 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 기하학적 분할 모드 코딩을 갖는 모션 후보 리스트
CN117395397A (zh) 2019-06-04 2024-01-12 北京字节跳动网络技术有限公司 使用临近块信息的运动候选列表构建
EP3970366B1 (en) 2019-06-14 2025-12-10 Beijing Bytedance Network Technology Co., Ltd. Handling video unit boundaries and virtual boundaries
CN117478878A (zh) * 2019-07-09 2024-01-30 北京字节跳动网络技术有限公司 用于自适应环路滤波的样点确定
EP3984223A4 (en) 2019-07-11 2022-11-09 Beijing Bytedance Network Technology Co., Ltd. SAMPLE PADDING IN AN ADAPTIVE LOOP FILTERING
EP3998772A4 (en) 2019-07-11 2023-06-07 Samsung Electronics Co., Ltd. VIDEO DECODING METHOD AND APPARATUS, AND VIDEO CODING METHOD AND APPARATUS
CN114128258B (zh) 2019-07-14 2023-12-22 北京字节跳动网络技术有限公司 视频编解码中的变换块尺寸的限制
CN117676168A (zh) 2019-07-15 2024-03-08 北京字节跳动网络技术有限公司 自适应环路滤波中的分类
MX2022000992A (es) * 2019-07-26 2022-05-03 Hfi Innovation Inc Metodo y aparato de filtracion de bucle adaptativo de componentes cruzados para codificacion de video.
EP4014495A4 (en) 2019-09-14 2022-11-02 ByteDance Inc. CHROMINANCE QUANTIFICATION PARAMETER IN VIDEO CODING
KR102707780B1 (ko) 2019-09-18 2024-09-20 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 적응형 루프 필터의 2-파트 시그널링
CN117278747A (zh) 2019-09-22 2023-12-22 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
KR102721536B1 (ko) 2019-09-27 2024-10-25 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 상이한 비디오 유닛들 간의 적응적 루프 필터링
WO2021057996A1 (en) 2019-09-28 2021-04-01 Beijing Bytedance Network Technology Co., Ltd. Geometric partitioning mode in video coding
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
JP7454042B2 (ja) 2019-10-10 2024-03-21 北京字節跳動網絡技術有限公司 適応ループ・フィルタリングにおける利用可能でないサンプル位置でのパディング・プロセス
KR20220073746A (ko) 2019-10-14 2022-06-03 바이트댄스 아이엔씨 비디오 처리에서 크로마 양자화 파라미터 사용
WO2021083257A1 (en) 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive loop filter
CN114930832B (zh) 2019-11-30 2025-10-28 抖音视界(北京)有限公司 跨分量自适应滤波和子块编解码
WO2021118977A1 (en) 2019-12-09 2021-06-17 Bytedance Inc. Using quantization groups in video coding
JP7393550B2 (ja) 2019-12-11 2023-12-06 北京字節跳動網絡技術有限公司 クロス成分適応ループフィルタリングのためのサンプルパディング
MX2022006967A (es) 2019-12-12 2022-09-19 Lg Electronics Inc Codificacion de video o imagen empleando filtro de bucle adaptivo.
CN114902657B (zh) 2019-12-31 2025-06-13 字节跳动有限公司 视频编解码中的自适应颜色变换
KR102750625B1 (ko) 2020-01-05 2025-01-09 두인 비전 컴퍼니 리미티드 비디오 코딩을 위한 일반적인 제약 정보
WO2021143896A1 (en) 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding
WO2021180022A1 (en) 2020-03-07 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Handling of transform skip mode in video coding
CN112514401A (zh) * 2020-04-09 2021-03-16 北京大学 环路滤波的方法与装置
EP4173290A4 (en) 2020-06-30 2024-01-10 Beijing Bytedance Network Technology Co., Ltd. BOUNDARY LOCATION FOR ADAPTIVE LOOP FILTERING
WO2022037700A1 (en) 2020-08-21 2022-02-24 Beijing Bytedance Network Technology Co., Ltd. Coding mode dependent selection of transform skip mode
US12549747B2 (en) 2020-10-06 2026-02-10 Interdigital Ce Patent Holdings, Sas Spatial resolution adaptation of in-loop and post-filtering of compressed video using metadata
CN116601953A (zh) 2020-11-24 2023-08-15 抖音视界有限公司 编解码视频中的位置相关系数重新排序
EP4268458A1 (en) * 2020-12-23 2023-11-01 QUALCOMM Incorporated Adaptive loop filter with fixed filters
US12047567B2 (en) * 2021-01-26 2024-07-23 Beijing Dajia Internet Information Technology Co., Ltd. System and method for applying adaptive loop filter in video coding
CN117121481A (zh) 2021-03-17 2023-11-24 抖音视界有限公司 单独树编解码限制
CN113422966B (zh) * 2021-05-27 2024-05-24 绍兴市北大信息技术科创中心 一种多模型cnn环路滤波方法
EP4449723A1 (en) * 2021-12-15 2024-10-23 InterDigital CE Patent Holdings, SAS Chroma format adaptation
US20230254500A1 (en) * 2022-02-07 2023-08-10 Nvidia Corporation Smart packet pacing for video frame streaming

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120183078A1 (en) 2011-01-14 2012-07-19 Samsung Electronics Co., Ltd. Filter adaptation with directional features for video/image coding
JP2014511615A (ja) 2011-02-23 2014-05-15 クゥアルコム・インコーポレイテッド 複数メトリックフィルタ処理

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5554831B2 (ja) * 2009-04-28 2014-07-23 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 歪みの重み付け
US9094658B2 (en) 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
US9363533B2 (en) * 2010-09-29 2016-06-07 Electronics And Telecommunications Research Institute Method and apparatus for video-encoding/decoding using filter information prediction
US20120177104A1 (en) * 2011-01-12 2012-07-12 Madhukar Budagavi Reduced Complexity Adaptive Loop Filter (ALF) for Video Coding
CN102857749B (zh) * 2011-07-01 2016-04-13 华为技术有限公司 一种视频图像的像素分类方法和装置
CN102857751B (zh) * 2011-07-01 2015-01-21 华为技术有限公司 一种视频编解码方法和装置
KR20130053645A (ko) * 2011-11-15 2013-05-24 한국전자통신연구원 적응적 루프 필터를 이용한 비디오 부호화/복호화 방법 및 장치
US10708622B2 (en) * 2011-12-20 2020-07-07 Texas Instruments Incorporated Adaptive loop filtering (ALF) for video coding
US9906790B2 (en) * 2014-03-14 2018-02-27 Qualcomm Incorporated Deblock filtering using pixel distance
US9380312B2 (en) * 2014-07-14 2016-06-28 Apple Inc. Encoding blocks in video frames containing text using histograms of gradients
US10057574B2 (en) * 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
WO2017123487A1 (en) 2016-01-15 2017-07-20 Vid Scale, Inc. System and method for enhanced motion compensation using adaptive filtering
CN109417620B (zh) * 2016-03-25 2021-04-27 松下知识产权经营株式会社 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置
US10382766B2 (en) * 2016-05-09 2019-08-13 Qualcomm Incorporated Signalling of filtering information
US10419755B2 (en) * 2016-05-16 2019-09-17 Qualcomm Incorporated Confusion of multiple filters in adaptive loop filtering in video coding
US20180041778A1 (en) * 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
US10735725B2 (en) * 2016-09-14 2020-08-04 Microsoft Technology Licensing, Llc Boundary-intersection-based deblock filtering
US10506230B2 (en) * 2017-01-04 2019-12-10 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support
JP7036628B2 (ja) 2017-03-10 2022-03-15 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、符号化方法及び復号方法
KR20240095362A (ko) * 2017-06-26 2024-06-25 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
US10778974B2 (en) * 2017-07-05 2020-09-15 Qualcomm Incorporated Adaptive loop filter with enhanced classification methods
TWI862000B (zh) * 2017-07-13 2024-11-11 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置及記錄媒體
WO2019026721A1 (en) * 2017-08-01 2019-02-07 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR FILTERING RECONSTRUCTED VIDEO DATA USING ADAPTIVE LOOP FILTERING TECHNIQUES
EP3471413A1 (en) * 2017-10-10 2019-04-17 Thomson Licensing Encoding and decoding methods and corresponding devices
EP3720129A4 (en) * 2017-11-29 2021-08-25 Electronics and Telecommunications Research Institute IMAGE ENCODING / DECODING METHOD AND DEVICE WITH APPLICATION FOR IN-LOOP FILTRATION
CN118869984A (zh) * 2017-12-08 2024-10-29 松下电器（美国）知识产权公司 图像编码设备、图像解码设备、图像编码方法以及图像解码方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120183078A1 (en) 2011-01-14 2012-07-19 Samsung Electronics Co., Ltd. Filter adaptation with directional features for video/image coding
JP2014511615A (ja) 2011-02-23 2014-05-15 クゥアルコム・インコーポレイテッド 複数メトリックフィルタ処理
US20150117555A1 (en) 2011-02-23 2015-04-30 Qualcomm Incorporated Multi-metric filtering

Also Published As

Publication number Publication date
KR20200095464A (ko) 2020-08-10
US11641488B2 (en) 2023-05-02
JP2025094155A (ja) 2025-06-24
US20250294192A1 (en) 2025-09-18
CN116866559A (zh) 2023-10-10
SG11202003927TA (en) 2020-05-28
EP4676052A2 (en) 2026-01-07
JP2024012656A (ja) 2024-01-30
CN117041536A (zh) 2023-11-10
US20200267381A1 (en) 2020-08-20
JP2021503862A (ja) 2021-02-12
US20230388553A1 (en) 2023-11-30
KR20250108765A (ko) 2025-07-15
EP4676052A3 (en) 2026-03-25
CN111512632A (zh) 2020-08-07
CA3081252A1 (en) 2019-05-09
EP3704858B1 (en) 2025-12-03
KR102830927B1 (ko) 2025-07-04
CN111512632B (zh) 2023-07-14
PL3704858T3 (pl) 2026-04-20
WO2019089695A1 (en) 2019-05-09
US12348787B2 (en) 2025-07-01
EP3704858A1 (en) 2020-09-09
ZA202002084B (en) 2023-12-20
JP7656015B2 (ja) 2025-04-02

Similar Documents

Publication Publication Date Title
JP7656015B2 (ja) ビデオコーディングにおける適応ループフィルタを簡略化する方法
JP7808670B2 (ja) 組みあわせたインターおよびイントラ予測
JP7794901B2 (ja) アフィン動きモデルを基にしたビデオコーディングのためのアダプティブ制御点の選択
US20240323373A1 (en) Multi-type tree coding
JP7798987B2 (ja) マージモード動きベクトル候補を用いる改良されたイントラプラナー予測
EP4633153A1 (en) Joint inheritance of intra prediction and transform parameters
KR102955097B1 (ko) Affine motion 모델 기반 비디오 코딩을 위한 적응형 제어 포인트 선택

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200701

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20200618

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20200619

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211101

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20211101

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20221220

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230131

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230428

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230728

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: 20230919

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20231019

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231120

R150 Certificate of patent or registration of utility model

Ref document number: 7390300

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350