CN109792524B - 切换内插滤波器的系统及方法 - Google Patents

切换内插滤波器的系统及方法 Download PDF

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CN109792524B
CN109792524B CN201780060942.0A CN201780060942A CN109792524B CN 109792524 B CN109792524 B CN 109792524B CN 201780060942 A CN201780060942 A CN 201780060942A CN 109792524 B CN109792524 B CN 109792524B
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interpolation
coding unit
filter
interpolation filters
subset
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CN109792524A (zh
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李圣远
钱威俊
张凯
陈建乐
马尔塔·卡切维奇
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Qualcomm Inc
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    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
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    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
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    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
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    • 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
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
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    • 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

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Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2020003656A (es) * 2017-10-02 2020-10-12 Arris Entpr Llc Sistema y método para reducir artefactos de bloque y proporcionar eficiencia de codificación mejorada.
EP3468194A1 (en) * 2017-10-05 2019-04-10 Thomson Licensing Decoupled mode inference and prediction
US10582212B2 (en) * 2017-10-07 2020-03-03 Google Llc Warped reference motion vectors for video compression
US10841610B2 (en) * 2017-10-23 2020-11-17 Avago Technologies International Sales Pte. Limited Block size dependent interpolation filter selection and mapping
CN111602393B (zh) * 2018-01-15 2022-10-21 三星电子株式会社 编码方法及其设备以及解码方法及其设备
HUE063698T2 (hu) * 2018-09-07 2024-01-28 Huawei Tech Co Ltd Eljárás és berendezés videókódolás során végzett intra- és interpredikcióval kapcsolatos interpolációs szûréshez
IL281581B2 (en) 2018-09-21 2025-05-01 Vid Scale Inc Complexity reduction and bit width control for bidirectional optical streaming
CN111010568B (zh) * 2018-10-06 2023-09-29 华为技术有限公司 插值滤波器的训练方法、装置及视频图像编解码方法、编解码器
CN118694931B (zh) 2018-11-05 2025-12-02 北京字节跳动网络技术有限公司 编解码视频数据的方法、装置及计算机可读存储介质
ES2983321T3 (es) * 2018-12-21 2024-10-22 Huawei Tech Co Ltd Método y aparato de filtrado de interpolación para la codificación predictiva
WO2020139169A1 (en) * 2018-12-28 2020-07-02 Huawei Technologies Co., Ltd. Method and apparatus of sharpening interpolation filtering for predictive coding
US11431987B2 (en) 2019-01-08 2022-08-30 Tencent America LLC Method and apparatus for memory bandwidth reduction for small inter blocks
CN118573852A (zh) * 2019-03-11 2024-08-30 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法和非暂时性存储介质
US11394999B2 (en) * 2019-03-11 2022-07-19 Alibaba Group Holding Limited Method, device, and system for determining prediction weight for merge mode
US11178415B2 (en) * 2019-03-12 2021-11-16 Tencent America LLC Signaling of CU based interpolation filter selection
KR20210134392A (ko) * 2019-03-12 2021-11-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 하이브리드 비디오 코딩을 위한 인코더, 디코더, 방법, 비디오 비트 스트림 및 컴퓨터 프로그램
EP3949418A1 (en) * 2019-03-28 2022-02-09 Interdigital VC Holdings France Inter-prediction parameter derivation for video encoding and decoding
AU2020250609B2 (en) 2019-04-01 2023-09-07 Beijing Bytedance Network Technology Co., Ltd. Using interpolation filters for history based motion vector prediction
CN113728651B (zh) 2019-04-02 2022-10-25 北京字节跳动网络技术有限公司 视频处理中的自适应环路滤波
CN113711609B (zh) 2019-04-19 2023-12-01 北京字节跳动网络技术有限公司 利用光流的预测细化过程中的增量运动矢量
WO2020211866A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Applicability of prediction refinement with optical flow process
AU2020258987B2 (en) * 2019-04-19 2025-07-10 Huawei Technologies Co., Ltd. Method and apparatus for deriving interpolation filter index for current block
CN113728626B (zh) 2019-04-19 2023-05-30 北京字节跳动网络技术有限公司 不同运动矢量细化中的基于区域的梯度计算
EP3949403A4 (en) * 2019-05-11 2022-06-22 Beijing Bytedance Network Technology Co., Ltd. INTERACTIONS BETWEEN SEVERAL INTRACODING PROCEDURES
US11076169B2 (en) * 2019-05-14 2021-07-27 Qualcomm Incorporated Switchable interpolation filtering (SIF) for video coding
US11109041B2 (en) * 2019-05-16 2021-08-31 Tencent America LLC Method and apparatus for video coding
WO2020244545A1 (en) * 2019-06-05 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Interaction between motion vector refinements and other coding tools
CN114097219B (zh) * 2019-07-04 2026-03-31 北京字节跳动网络技术有限公司 基于历史的运动矢量预测表中的运动信息的存储
US11563933B2 (en) * 2019-07-09 2023-01-24 Qualcomm Incorporated Reference picture resampling with switchable filters
WO2021025451A1 (ko) * 2019-08-05 2021-02-11 엘지전자 주식회사 움직임 정보 후보를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN114270856B (zh) 2019-08-20 2025-11-14 北京字节跳动网络技术有限公司 视频处理中的备选插值滤波器的选择性使用
CN120075448A (zh) * 2019-08-23 2025-05-30 北京三星通信技术研究有限公司 帧内预测方法和帧内预测装置
CN114365494B (zh) * 2019-09-02 2026-03-20 北京字节跳动网络技术有限公司 Merge候选的改进
KR20220052991A (ko) * 2019-09-04 2022-04-28 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 스위칭가능한 보간 필터들
US11375222B2 (en) * 2019-09-22 2022-06-28 Tencent America LLC Method and device for video encoding and decoding with interpolation filter flag being consistent with MMVD distances
CN113596460A (zh) * 2019-09-23 2021-11-02 杭州海康威视数字技术股份有限公司 编解码方法方法、装置及设备
WO2021056210A1 (zh) * 2019-09-24 2021-04-01 北京大学 视频编解码方法、装置和计算机可读存储介质
CN113259669B (zh) * 2021-03-25 2023-07-07 浙江大华技术股份有限公司 编码方法、装置、电子设备及计算机可读存储介质
CN113726406B (zh) * 2021-08-25 2022-06-21 中国电子科技集团公司第五十四研究所 一种基于分组编码的频点可变的多速率Ku通信发射装置
WO2023153891A1 (ko) * 2022-02-13 2023-08-17 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
EP4487225A4 (en) * 2022-03-04 2026-03-11 Guangdong Oppo Mobile Telecommunications Corp Ltd INTEGER CONVERSION FOR INTERPOLATION FILTER DESIGN IN VIDEO ENCODING
US20250254297A1 (en) * 2022-04-12 2025-08-07 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced interpolation filtering
CN116962706B (zh) * 2022-04-15 2025-12-12 华为技术有限公司 图像解码方法、编码方法及装置
WO2023205409A1 (en) * 2022-04-21 2023-10-26 Innopeak Technology, Inc. Reference picture resampling for video coding
CN119631400A (zh) * 2022-06-18 2025-03-14 抖音视界有限公司 用于视频处理的方法、装置和介质
WO2024080905A1 (en) * 2022-10-13 2024-04-18 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for enhanced interpolation filtering
WO2024215113A1 (ko) * 2023-04-13 2024-10-17 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
US20250267274A1 (en) * 2024-02-20 2025-08-21 Tencent America LLC Uni-directional optical flow

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102792698A (zh) * 2010-02-18 2012-11-21 高通股份有限公司 用于运动内插法的色度高精度运动滤波
CN103733624A (zh) * 2011-08-18 2014-04-16 数码士有限公司 应用通过精确单元的滤波器选择的图像编码/解码装置和方法
CN104012094A (zh) * 2011-11-07 2014-08-27 李英锦 视频数据的解码方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3861698B2 (ja) 2002-01-23 2006-12-20 ソニー株式会社 画像情報符号化装置及び方法、画像情報復号装置及び方法、並びにプログラム
CA2491679A1 (en) * 2002-07-09 2004-01-15 Nokia Corporation Method and system for selecting interpolation filter type in video coding
BRPI0515943B1 (pt) * 2004-09-29 2018-10-16 Thomson Res Funding Corporation método e aparelho para codificação e decodificação de vídeo de atualização de resolução reduzida
US9014280B2 (en) * 2006-10-13 2015-04-21 Qualcomm Incorporated Video coding with adaptive filtering for motion compensated prediction
EP2048886A1 (en) * 2007-10-11 2009-04-15 Panasonic Corporation Coding of adaptive interpolation filter coefficients
US20090257499A1 (en) * 2008-04-10 2009-10-15 Qualcomm Incorporated Advanced interpolation techniques for motion compensation in video coding
US8831086B2 (en) * 2008-04-10 2014-09-09 Qualcomm Incorporated Prediction techniques for interpolation in video coding
US9967590B2 (en) * 2008-04-10 2018-05-08 Qualcomm Incorporated Rate-distortion defined interpolation for video coding based on fixed filter or adaptive filter
US9078007B2 (en) * 2008-10-03 2015-07-07 Qualcomm Incorporated Digital video coding with interpolation filters and offsets
KR101538704B1 (ko) * 2009-01-28 2015-07-28 삼성전자주식회사 보간 필터를 적응적으로 사용하여 영상을 부호화 및 복호화하는 방법 및 장치
WO2011003326A1 (en) * 2009-07-06 2011-01-13 Mediatek Singapore Pte. Ltd. Single pass adaptive interpolation filter
KR101457418B1 (ko) * 2009-10-23 2014-11-04 삼성전자주식회사 계층적 부호화 단위의 크기에 따른 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치
JP2011135184A (ja) * 2009-12-22 2011-07-07 Sony Corp 画像処理装置および方法、並びにプログラム
JP5439162B2 (ja) * 2009-12-25 2014-03-12 株式会社Ｋｄｄｉ研究所 動画像符号化装置および動画像復号装置
KR101682147B1 (ko) * 2010-04-05 2016-12-05 삼성전자주식회사 변환 및 역변환에 기초한 보간 방법 및 장치
US20110243222A1 (en) * 2010-04-05 2011-10-06 Samsung Electronics Co., Ltd. Method and apparatus for encoding video by using adaptive prediction filtering, method and apparatus for decoding video by using adaptive prediction filtering
KR101750046B1 (ko) * 2010-04-05 2017-06-22 삼성전자주식회사 트리 구조에 따른 부호화 단위에 기반한 인루프 필터링을 수반하는 비디오 부호화 방법과 그 장치 및 복호화 방법과 그 장치
US9154807B2 (en) * 2010-06-25 2015-10-06 Qualcomm Incorporated Inclusion of switched interpolation filter coefficients in a compressed bit-stream
US10045046B2 (en) * 2010-12-10 2018-08-07 Qualcomm Incorporated Adaptive support for interpolating values of sub-pixels for video coding
JP5670226B2 (ja) * 2011-03-04 2015-02-18 Kddi株式会社 動画像符号化装置、動画像符号化方法、およびプログラム
US9313519B2 (en) * 2011-03-11 2016-04-12 Google Technology Holdings LLC Interpolation filter selection using prediction unit (PU) size
JP5649523B2 (ja) * 2011-06-27 2015-01-07 日本電信電話株式会社 映像符号化方法，装置，映像復号方法，装置およびそれらのプログラム
US20130177084A1 (en) * 2012-01-10 2013-07-11 Qualcomm Incorporated Motion vector scaling in video coding
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US9420280B2 (en) 2012-06-08 2016-08-16 Qualcomm Incorporated Adaptive upsampling filters
CN108614633B (zh) * 2012-07-09 2022-11-01 Vid拓展公司 从视频服务器请求视频串流的方法及移动设备
WO2015139010A1 (en) * 2014-03-14 2015-09-17 Vid Scale, Inc. Systems and methods for rgb video coding enhancement
US10659806B2 (en) * 2014-11-04 2020-05-19 Samsung Electronics Co., Ltd. Video encoding method and apparatus, and video decoding method and apparatus using interpolation filter on which image characteristic is reflected
US11463689B2 (en) * 2015-06-18 2022-10-04 Qualcomm Incorporated Intra prediction and intra mode coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102792698A (zh) * 2010-02-18 2012-11-21 高通股份有限公司 用于运动内插法的色度高精度运动滤波
CN103733624A (zh) * 2011-08-18 2014-04-16 数码士有限公司 应用通过精确单元的滤波器选择的图像编码/解码装置和方法
CN104012094A (zh) * 2011-11-07 2014-08-27 李英锦 视频数据的解码方法

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