JP7033117B2 - 拡張型多重変換のためのルックアップテーブル - Google Patents

拡張型多重変換のためのルックアップテーブル Download PDF

Info

Publication number
JP7033117B2
JP7033117B2 JP2019500664A JP2019500664A JP7033117B2 JP 7033117 B2 JP7033117 B2 JP 7033117B2 JP 2019500664 A JP2019500664 A JP 2019500664A JP 2019500664 A JP2019500664 A JP 2019500664A JP 7033117 B2 JP7033117 B2 JP 7033117B2
Authority
JP
Japan
Prior art keywords
dst
horizontal
transformation
block
dct
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
JP2019500664A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019525575A (ja
JP2019525575A5 (OSRAM
Inventor
シン・ジャオ
ヴァディム・セレジン
マルタ・カルチェヴィッチ
ジエンレ・チェン
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 JP2019525575A publication Critical patent/JP2019525575A/ja
Publication of JP2019525575A5 publication Critical patent/JP2019525575A5/ja
Application granted granted Critical
Publication of JP7033117B2 publication Critical patent/JP7033117B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/124Quantisation
    • 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
    • H04N19/102Methods 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
    • 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
    • H04N19/12Selection 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
    • 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
    • H04N19/18Methods 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 set of transform coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods 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)
JP2019500664A 2016-07-15 2017-07-14 拡張型多重変換のためのルックアップテーブル Active JP7033117B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662363188P 2016-07-15 2016-07-15
US62/363,188 2016-07-15
US15/649,612 US10972733B2 (en) 2016-07-15 2017-07-13 Look-up table for enhanced multiple transform
US15/649,612 2017-07-13
PCT/US2017/042181 WO2018013953A1 (en) 2016-07-15 2017-07-14 Look-up table for enhanced multiple transform

Publications (3)

Publication Number Publication Date
JP2019525575A JP2019525575A (ja) 2019-09-05
JP2019525575A5 JP2019525575A5 (OSRAM) 2020-08-06
JP7033117B2 true JP7033117B2 (ja) 2022-03-09

Family

ID=60941548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019500664A Active JP7033117B2 (ja) 2016-07-15 2017-07-14 拡張型多重変換のためのルックアップテーブル

Country Status (7)

Country Link
US (3) US10972733B2 (OSRAM)
EP (1) EP3485641A1 (OSRAM)
JP (1) JP7033117B2 (OSRAM)
KR (1) KR102519245B1 (OSRAM)
CN (1) CN109691101B (OSRAM)
BR (1) BR112019000344A2 (OSRAM)
WO (1) WO2018013953A1 (OSRAM)

Families Citing this family (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags
CN115297324B (zh) * 2017-04-13 2024-11-19 Oppo广东移动通信有限公司 熵编码和解码视频信号的方法和设备
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
WO2018219664A1 (en) 2017-05-31 2018-12-06 Interdigital Vc Holdings, Inc. A method and a device for picture encoding and decoding
WO2018226067A1 (ko) * 2017-06-08 2018-12-13 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
US11070806B2 (en) * 2017-06-28 2021-07-20 Lg Electronics Inc. Method and apparatus for performing low complexity computation in transform kernel for video compression
CN111133758B (zh) * 2017-09-28 2022-05-10 夏普株式会社 图像解码装置以及图像编码装置
WO2019076138A1 (en) 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
US11438587B2 (en) 2017-12-14 2022-09-06 Interdigital Vc Holdings, Inc. Method and apparatus for encoding a picture block
MX2020006623A (es) * 2017-12-21 2020-09-14 Lg Electronics Inc Metodo para codificar imagen con base en transformacion selectiva y dispositivo para el mismo.
CN111492658A (zh) * 2017-12-22 2020-08-04 交互数字Vc控股公司 使用有效多个变换进行视频压缩的方法和装置
EP3503549A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video compression using efficient multiple transforms
WO2019143103A1 (ko) 2018-01-17 2019-07-25 인텔렉추얼디스커버리 주식회사 다양한 변환 기술을 사용하는 비디오 코딩 방법 및 장치
EP3747192A1 (en) 2018-01-29 2020-12-09 InterDigital VC Holdings, Inc. Encoding and decoding with refinement of the reconstructed picture
WO2019152131A1 (en) * 2018-01-30 2019-08-08 Interdigital Vc Holdings, Inc. Methods and devices for picture encoding and decoding using multiple transforms
EP3518542A1 (en) * 2018-01-30 2019-07-31 Thomson Licensing Methods and devices for picture encoding and decoding using multiple transforms
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
US10567801B2 (en) 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
WO2019190283A1 (ko) * 2018-03-29 2019-10-03 엘지전자 주식회사 저복잡도 연산 dst7을 설계하는 방법 및 장치
EP3777165A1 (en) * 2018-03-29 2021-02-17 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Determination of set of candidate transforms for video encoding
WO2019190284A1 (ko) * 2018-03-29 2019-10-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
CN117176951A (zh) 2018-03-30 2023-12-05 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
CN112532979A (zh) 2018-03-31 2021-03-19 华为技术有限公司 图像块编码中的变换方法、解码中的反变换方法及装置
KR20240040133A (ko) * 2018-04-01 2024-03-27 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
US10999604B2 (en) 2018-04-13 2021-05-04 Mediatek Inc. Adaptive implicit transform setting
US11297348B2 (en) 2018-04-13 2022-04-05 Mediatek Inc. Implicit transform settings for coding a block of pixels
WO2019203068A1 (ja) * 2018-04-17 2019-10-24 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
US10986340B2 (en) 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
KR102504694B1 (ko) * 2018-06-03 2023-02-28 엘지전자 주식회사 축소된 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
GB2587982B (en) 2018-06-08 2023-01-04 Kt Corp Method and apparatus for processing video signal
US10666981B2 (en) 2018-06-29 2020-05-26 Tencent America LLC Method, apparatus and medium for decoding or encoding
US10687081B2 (en) 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
AU2018204786B2 (en) * 2018-06-29 2025-05-29 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
WO2020000487A1 (zh) * 2018-06-30 2020-01-02 华为技术有限公司 变换方法、反变换方法及装置
KR20250162931A (ko) * 2018-07-02 2025-11-19 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
JP2021166320A (ja) * 2018-07-06 2021-10-14 ソニーグループ株式会社 画像処理装置および方法
MY201282A (en) * 2018-07-13 2024-02-15 Ericsson Telefon Ab L M Transform selection in a video encoder and/or video decoder
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
US11166044B2 (en) * 2018-07-31 2021-11-02 Tencent America LLC Method and apparatus for improved compound orthonormal transform
CN110839158B (zh) * 2018-08-16 2023-03-10 北京字节跳动网络技术有限公司 变换矩阵选择的系数相关的编解码
KR102765982B1 (ko) * 2018-09-02 2025-02-07 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
WO2020046084A1 (ko) * 2018-09-02 2020-03-05 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
EP3850837A4 (en) * 2018-09-17 2022-06-01 HFI Innovation Inc. Methods and apparatuses of combining multiple predictors for block prediction in video coding systems
KR102507024B1 (ko) * 2018-09-20 2023-03-06 노키아 테크놀로지스 오와이 디지털 이미지/비디오 자료를 인코딩 및 디코딩하는 방법 및 장치
WO2020057537A1 (zh) * 2018-09-21 2020-03-26 华为技术有限公司 视频解码方法及视频解码器,视频编码方法及视频编码器
CN110944177B (zh) * 2018-09-21 2024-03-01 华为技术有限公司 视频解码方法及视频解码器,视频编码方法及视频编码器
EP4258659A3 (en) * 2018-09-23 2023-11-22 LG Electronics Inc. Method for encoding/decoding video signals and apparatus therefor
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
JP7250917B2 (ja) * 2018-10-06 2023-04-03 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 補間フィルタを使用するイントラ予測のための方法および装置
TWI738077B (zh) * 2018-10-08 2021-09-01 新加坡商聯發科技(新加坡)私人有限公司 圖像以及視訊編解碼中最後有效係數的編解碼方法以及裝置
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
WO2020086317A1 (en) * 2018-10-23 2020-04-30 Tencent America Llc. Method and apparatus for video coding
US11831872B2 (en) * 2018-11-01 2023-11-28 Interdigital Madison Patent Holdings, Sas Video encoding and decoding using multiple transform selection
CN111225206B (zh) * 2018-11-23 2021-10-26 华为技术有限公司 视频解码方法和视频解码器
KR20210096116A (ko) * 2018-12-03 2021-08-04 인터디지털 브이씨 홀딩스 인코포레이티드 픽처 인코딩 및 디코딩을 위한 방법 및 디바이스
US11323748B2 (en) * 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
CN119420949A (zh) * 2018-12-21 2025-02-11 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
EP3903487B1 (en) * 2018-12-28 2025-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting transform selection in an encoder and decoder
US10904563B2 (en) * 2019-01-02 2021-01-26 Tencent America LLC Method and apparatus for improved zero out transform
US11595663B2 (en) 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
CN115052164A (zh) 2019-03-03 2022-09-13 华为技术有限公司 编码器、解码器和用于变换处理的对应方法
US10986334B2 (en) 2019-03-09 2021-04-20 Tencent America LLC Method and apparatus for video coding
CN110708550B (zh) * 2019-03-09 2020-11-27 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码装置和编码装置
CN111669582B (zh) * 2019-03-09 2022-05-20 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、编码端、解码端和系统
US11539952B2 (en) * 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
EP3709647A1 (en) * 2019-03-12 2020-09-16 InterDigital VC Holdings, Inc. Transform selection and signaling for video encoding or decoding
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
US11240534B2 (en) * 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
KR20250136950A (ko) * 2019-04-23 2025-09-16 삼성전자주식회사 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치
WO2020216288A1 (en) * 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Conditional use of multiple transform matrices in video coding
KR102655582B1 (ko) 2019-05-10 2024-04-09 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리를 위한 다중 이차 변환 행렬
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
US12267529B2 (en) 2019-05-31 2025-04-01 Interdigital Vc Holdings, Inc. Transform selection for implicit multiple transform selection
CN113940076B (zh) * 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 应用隐式变换选择
WO2020244661A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Implicit selection of transform candidates
CN113950829B (zh) * 2019-06-06 2025-01-10 北京字节跳动网络技术有限公司 简化的变换编解码工具
EP3967032A4 (en) 2019-06-07 2022-07-27 Beijing Bytedance Network Technology Co., Ltd. CONDITIONAL SIGNALING OF A REDUCED SECONDARY TRANSFORM FOR VIDEO BIANARY FLOWS
US11695960B2 (en) 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
CN110365982B (zh) * 2019-07-31 2022-01-04 中南大学 一种多用途编码中帧内编码的多变换选择加速方法
CN117376555A (zh) 2019-08-03 2024-01-09 北京字节跳动网络技术有限公司 视频编解码中缩减二次变换的矩阵的选择
WO2021032045A1 (en) 2019-08-17 2021-02-25 Beijing Bytedance Network Technology Co., Ltd. Context modeling of side information for reduced secondary transforms in video
US11677984B2 (en) 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
US11323743B2 (en) * 2019-08-26 2022-05-03 Tencent America LLC Interaction between CU partitions and sub-block transform
US11184617B2 (en) 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
US11153576B2 (en) 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
US11432014B2 (en) 2019-10-25 2022-08-30 Qualcomm Incorporated Parametric graph-based separable transforms for video coding
CN120658884A (zh) * 2019-10-29 2025-09-16 Lg电子株式会社 图像解码设备、图像编码设备和图像数据发送设备
MX2022006140A (es) * 2019-11-26 2022-08-22 Fraunhofer Ges Forschung Conceptos de codificacion para representacion transformada de bloque de muestra.
US11284071B2 (en) * 2019-12-12 2022-03-22 Google Llc Combination of mode-dependent and fixed transform types in video coding
US20210195192A1 (en) 2019-12-20 2021-06-24 Qualcomm Incorporated Coefficient group based restriction on multiple transform selection signaling in video coding
US11470353B2 (en) 2019-12-20 2022-10-11 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) with reduced zero-out in video coding
US11457229B2 (en) 2019-12-23 2022-09-27 Qualcomm Incorporated LFNST signaling for chroma based on chroma transform skip
US11706425B2 (en) 2020-01-08 2023-07-18 Qualcomm Incorporated Multiple transform set signaling for video coding
US11412258B2 (en) 2020-02-12 2022-08-09 Tencent America LLC Line graph transforms (LGTs) using 8-bit and 10-bit cores
US11405647B2 (en) * 2020-02-18 2022-08-02 Tencent America LLC Primary transforms using 8-bit and 10-bit cores
US20230142928A1 (en) * 2020-04-02 2023-05-11 Lg Electronics Inc. Transform-based image coding method and device therefor
EP4128755A4 (en) * 2020-04-29 2023-09-06 Huawei Technologies Co., Ltd. Method and apparatus of subsample interpolation filtering
JP7505552B2 (ja) * 2020-05-26 2024-06-25 富士通株式会社 画像処理システム、画像処理装置及び画像処理プログラム
US11785254B2 (en) * 2020-05-29 2023-10-10 Tencent America LLC Implicit mode dependent primary transforms
US11575937B2 (en) 2020-07-24 2023-02-07 Tencent America LLC Methods for efficient application of LGT
US11871010B2 (en) 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
CN112533000B (zh) 2020-10-16 2022-08-05 腾讯科技(深圳)有限公司 视频解码方法、装置、计算机可读介质及电子设备
US11924471B2 (en) 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
CN115633172A (zh) * 2020-12-06 2023-01-20 浙江大华技术股份有限公司 基于ibc模式编码方法、电子设备及存储介质
KR20230169959A (ko) * 2021-04-12 2023-12-18 퀄컴 인코포레이티드 비디오 코딩을 위한 인트라 모드 의존적 다중 변환 선택
US12132901B2 (en) * 2021-10-13 2024-10-29 Tencent America LLC Adaptive multiple transform set selection
US12452423B2 (en) * 2021-12-03 2025-10-21 Intel Corporation Low frequency non-separable transform and multiple transform selection deadlock prevention
WO2024071680A1 (ko) * 2022-09-29 2024-04-04 현대자동차주식회사 분리 불가능한 1차 변환 기반 비디오 코딩을 위한 방법 및 장치
CN116362989A (zh) * 2022-12-07 2023-06-30 电子科技大学 一种基于非下采样剪切波变换的sar图像滤波方法
WO2025218691A1 (en) * 2024-04-16 2025-10-23 Mediatek Inc. Methods and apparatus for adaptively determining selected transform type in image and video coding systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140254675A1 (en) 2011-10-17 2014-09-11 Kt Corporation Adaptive transform method based on in-screen prediction and apparatus using the method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100701810B1 (ko) 2002-04-26 2007-04-02 가부시키가이샤 엔티티 도코모 신호 부호화 방법, 신호 복호 방법, 신호 부호화 장치, 신호 복호 장치, 및 컴퓨터로 판독가능한 기록매체
GB2475721B (en) * 2009-11-27 2015-03-11 British Broadcasting Corp Picture encoding and decoding
MX2013000516A (es) * 2010-07-15 2013-09-02 Toshiba Kk Metodo de codificacion de imagenes y metodo de descodificacion de imagenes.
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
US20120307893A1 (en) 2011-06-02 2012-12-06 Qualcomm Incorporated Fast computing of discrete cosine and sine transforms of types vi and vii
WO2013154366A1 (ko) 2012-04-12 2013-10-17 주식회사 팬택 블록 정보에 따른 변환 방법 및 이러한 방법을 사용하는 장치
US9621921B2 (en) 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
CN107925763B (zh) * 2015-12-23 2020-01-10 华为技术有限公司 等级分割中的块级别变换选择和隐式信令的编码变换方法和设备
US10455228B2 (en) * 2016-03-21 2019-10-22 Qualcomm Incorporated Determining prediction parameters for non-square blocks in video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140254675A1 (en) 2011-10-17 2014-09-11 Kt Corporation Adaptive transform method based on in-screen prediction and apparatus using the method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Xin Zhao, et al.,Enhanced Multiple Transform for Video Coding,2016 Data Compression Conference,2016年03月30日,pp.73-82

Also Published As

Publication number Publication date
CN109691101B (zh) 2022-10-11
KR102519245B1 (ko) 2023-04-06
BR112019000344A2 (pt) 2019-04-24
JP2019525575A (ja) 2019-09-05
EP3485641A1 (en) 2019-05-22
WO2018013953A1 (en) 2018-01-18
KR20190027815A (ko) 2019-03-15
US11412224B2 (en) 2022-08-09
US10972733B2 (en) 2021-04-06
US11647194B2 (en) 2023-05-09
CN109691101A (zh) 2019-04-26
US20180020218A1 (en) 2018-01-18
US20210195195A1 (en) 2021-06-24
US20220385906A1 (en) 2022-12-01

Similar Documents

Publication Publication Date Title
US11647194B2 (en) Look-up table for enhanced multiple transform
JP6768675B2 (ja) 予測残差のための機能強化された複数の変換
CN112204969B (zh) 用于视频编解码的编解码自适应多重变换信息
CN109716772B (zh) 用于视频译码的变换选择
EP3639518B1 (en) Intra filtering applied together with transform processing in video coding
CN110073661B (zh) 用于编码和解码视频数据的方法和装置
CN108605141B (zh) 用于紧凑多遍变换的高效参数存储
CN105874796B (zh) 用于基于调色板的视频译码的颜色索引译码
EP3005698B1 (en) Residual differential pulse code modulation (dpcm) extensions and harmonization with transform skip, rotation, and scans
KR20210135245A (ko) 비디오 코딩에서의 암시적 변환 선택
HK40005713A (en) Multi-type-tree framework for video coding
BR112017016012B1 (pt) Múltiplas transformadas melhoradas para residual de predição
OA18315A (en) Enhanced multiple transforms for prediction residual.

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190116

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200624

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200624

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210625

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210719

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211019

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: 20220131

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220225

R150 Certificate of patent or registration of utility model

Ref document number: 7033117

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250