KR102575798B1 - 2차 변환 인덱스 이진화 - Google Patents

2차 변환 인덱스 이진화 Download PDF

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KR102575798B1
KR102575798B1 KR1020187031268A KR20187031268A KR102575798B1 KR 102575798 B1 KR102575798 B1 KR 102575798B1 KR 1020187031268 A KR1020187031268 A KR 1020187031268A KR 20187031268 A KR20187031268 A KR 20187031268A KR 102575798 B1 KR102575798 B1 KR 102575798B1
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secondary transform
transform
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KR20190003950A (ko
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바딤 세레긴
신 자오
지안레 천
아미르 사이드
마르타 카르체비츠
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퀄컴 인코포레이티드
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KR1020187031268A 2016-05-03 2017-05-03 2차 변환 인덱스 이진화 Active KR102575798B1 (ko)

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Application Number Priority Date Filing Date Title
US201662331290P 2016-05-03 2016-05-03
US62/331,290 2016-05-03
US201662332425P 2016-05-05 2016-05-05
US62/332,425 2016-05-05
US201662337310P 2016-05-16 2016-05-16
US62/337,310 2016-05-16
US201662340949P 2016-05-24 2016-05-24
US62/340,949 2016-05-24
US201662365853P 2016-07-22 2016-07-22
US62/365,853 2016-07-22
US15/584,859 US10708164B2 (en) 2016-05-03 2017-05-02 Binarizing secondary transform index
US15/584,859 2017-05-02
PCT/US2017/030815 WO2017192705A1 (en) 2016-05-03 2017-05-03 Binarizing secondary transform index

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EP (1) EP3453176B1 (OSRAM)
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KR (1) KR102575798B1 (OSRAM)
CN (2) CN109076230B (OSRAM)
CA (1) CA3018197A1 (OSRAM)
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Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11394972B2 (en) * 2015-08-19 2022-07-19 Lg Electronics Inc. Method and device for encoding/decoding video signal by using optimized conversion based on multiple graph-based model
KR20170058837A (ko) * 2015-11-19 2017-05-29 한국전자통신연구원 화면내 예측모드 부호화/복호화 방법 및 장치
CN118900323A (zh) 2015-11-19 2024-11-05 Lx半导体科技有限公司 图像编码/解码方法和图像数据的传输方法
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
JP2019017066A (ja) * 2017-07-03 2019-01-31 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Panasonic Intellectual Property Corporation of America 符号化装置、復号装置、符号化方法及び復号方法
US11303928B2 (en) * 2017-09-28 2022-04-12 Sharp Kabushiki Kaisha Image decoding apparatus and image coding apparatus
CN116866600A (zh) * 2017-12-15 2023-10-10 Lg电子株式会社 视频编解码方法、存储介质和数据发送方法
WO2019117634A1 (ko) * 2017-12-15 2019-06-20 엘지전자 주식회사 2차 변환에 기반한 영상 코딩 방법 및 그 장치
KR102492116B1 (ko) * 2018-03-07 2023-01-26 후아웨이 테크놀러지 컴퍼니 리미티드 다중 부호 비트 숨기기 및 잔차 부호 예측을 조화시키기 위한 방법 및 장치
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
HRP20231341T1 (hr) * 2018-04-01 2024-02-16 Lg Electronics Inc. Obrada video signala korištenjem smanjene sekundarne transformacije
KR102650865B1 (ko) * 2018-04-01 2024-03-22 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
CA3141303A1 (en) * 2018-05-30 2019-12-05 Digitalinsights Inc. Image encoding/decoding method and device
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
KR20250111383A (ko) * 2018-06-06 2025-07-22 엘지전자 주식회사 인트라 예측 모드에 기초하여 변환 인덱스 코딩을 수행하는 방법 및 이를 위한 장치
WO2020009434A1 (ko) * 2018-07-02 2020-01-09 엘지전자 주식회사 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
US10567752B2 (en) 2018-07-02 2020-02-18 Tencent America LLC Method and apparatus for intra prediction for non-square blocks in video compression
KR102454971B1 (ko) * 2018-07-06 2022-10-14 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN114885162B (zh) 2018-09-02 2024-04-23 Lg电子株式会社 解码设备、编码设备和计算机可读记录介质
CN114915784B (zh) 2018-09-02 2024-04-19 Lg电子株式会社 信号编解码方法、计算机可读存储介质和数据传输方法
KR102633714B1 (ko) * 2018-09-02 2024-02-06 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
CN111742555B (zh) * 2018-09-05 2022-08-30 Lg电子株式会社 对视频信号进行编码/解码的方法及其设备
CN112840655B (zh) * 2018-10-08 2023-12-01 寰发股份有限公司 图像与视频编解码中最后有效系数的编解码方法及装置
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
JP7234365B2 (ja) * 2018-11-21 2023-03-07 華為技術有限公司 イントラ予測方法及び装置
CN116684642A (zh) * 2018-12-06 2023-09-01 Lg电子株式会社 图像编解码方法、存储介质和数据发送方法
KR20250070129A (ko) * 2018-12-19 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
WO2020125794A1 (en) * 2018-12-22 2020-06-25 Beijing Bytedance Network Technology Co., Ltd. Two step cross-component prediction mode
US11470329B2 (en) * 2018-12-26 2022-10-11 Tencent America LLC Method and apparatus for video coding
CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
KR102772255B1 (ko) 2019-02-01 2025-02-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
PH12021552061A1 (en) 2019-03-08 2022-06-06 Beijing Bytedance Network Tech Co Ltd Constraints on model-based reshaping in video processing
AU2019201649A1 (en) * 2019-03-11 2020-10-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a tree of blocks of video samples
JP7416450B2 (ja) * 2019-03-11 2024-01-17 テンセント・アメリカ・エルエルシー インターpdpcモードの改善
US11025909B2 (en) * 2019-03-21 2021-06-01 Tencent America LLC Method and apparatus for video coding
AU2020247645B2 (en) * 2019-03-26 2023-10-12 Lg Electronics Inc. Transform-based image coding method and device therefor
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
EP3949407A4 (en) 2019-04-16 2023-04-12 HFI Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling depending on tb level syntax
EP3949423A4 (en) 2019-04-16 2023-04-12 HFI Innovation Inc. METHODS AND APPARATUS FOR ENCODING VIDEO DATA USING SECONDARY TRANSFORMATION
MY209469A (en) 2019-04-23 2025-07-10 Beijing Bytedance Network Tech Co Ltd Methods for cross component dependency reduction
CN113728636B (zh) 2019-04-23 2022-11-04 北京字节跳动网络技术有限公司 编解码视频中二次变换的选择性使用
CN120825579A (zh) * 2019-04-24 2025-10-21 松下电器(美国)知识产权公司 编码装置、解码装置及非暂时性存储介质
US11445174B2 (en) * 2019-05-06 2022-09-13 Tencent America LLC Method and apparatus for video coding
KR20220006059A (ko) * 2019-05-10 2022-01-14 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리를 위한 이차 변환 행렬의 선택
MY208365A (en) 2019-05-15 2025-05-01 Koninklijke Philips Nv Method for encoding/decoding image signal and device therefor
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
CN113940074B (zh) 2019-05-27 2024-12-17 北京小米移动软件有限公司 基于广角帧内预测和变换的图像编码方法和装置
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
CN117336484B (zh) * 2019-06-06 2025-12-16 Oppo广东移动通信有限公司 图像解码和编码设备及发送比特流的设备
WO2020244656A1 (en) 2019-06-07 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Conditional signaling of reduced secondary transform in video bitstreams
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
US11303913B2 (en) * 2019-06-19 2022-04-12 Qualcomm Incorporated Decoded picture buffer indexing
ES3041151T3 (en) * 2019-06-19 2025-11-07 Lg Electronics Inc Coding of information about transform kernel set
CN114128267A (zh) * 2019-06-19 2022-03-01 Lg 电子株式会社 图像编译系统中用于关于变换核集的信息的上下文编译
PT3989581T (pt) * 2019-06-19 2025-09-03 Lg Electronics Inc Sinalização de informação indicando o conjunto de núcleo de sistema operativo de transformada na codificação de imagem
CN114128273B (zh) * 2019-06-20 2023-11-17 Lg电子株式会社 图像解码和编码方法及用于图像的数据的发送方法
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
KR20200145761A (ko) 2019-06-21 2020-12-30 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
JP6912522B2 (ja) * 2019-06-24 2021-08-04 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN112135148B (zh) 2019-06-25 2022-05-10 华为技术有限公司 非可分离变换方法以及设备
JP7091479B2 (ja) * 2019-06-25 2022-06-27 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド 2次変換を利用するビデオ信号処理方法及び装置
JP7422858B2 (ja) 2019-08-03 2024-01-26 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体及び記憶方法
CN118632034A (zh) 2019-08-17 2024-09-10 北京字节跳动网络技术有限公司 为视频中的缩减二次变换的边信息的上下文建模
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
BR112022004724A2 (pt) * 2019-09-20 2022-06-14 Lg Electronics Inc Método de codificação de imagem com base na transformada e dispositivo para o mesmo
WO2021052832A1 (en) 2019-09-20 2021-03-25 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
BR122023020352A2 (pt) * 2019-10-04 2024-02-27 Lg Electronics Inc. Aparelho de decodificação/codificação para decodificação/codificação de imagem e aparelho para transmissão de dados para uma imagem
CN117714715A (zh) 2019-10-08 2024-03-15 Lg电子株式会社 图像解码设备、图像编码设备和数据发送设备
JP7402016B2 (ja) * 2019-11-06 2023-12-20 オッポ広東移動通信有限公司 画像復号装置及び画像符号化装置
AU2019275552B2 (en) * 2019-12-03 2022-10-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
WO2021115235A1 (en) * 2019-12-08 2021-06-17 Beijing Bytedance Network Technology Co., Ltd. Cross-component prediction using multiple components
US11869223B2 (en) * 2020-01-08 2024-01-09 Apple Inc. In-tree geometry quantization of point clouds
US12335521B2 (en) 2020-01-09 2025-06-17 Apple Inc. In-tree geometry quantization of point clouds
US12231685B2 (en) 2020-02-25 2025-02-18 Hfi Innovation Inc. Methods and apparatus for secondary transform signaling in video coding
CN115606182A (zh) 2020-03-25 2023-01-13 抖音视界有限公司(Cn) 使用增强二次变换的编解码视频处理
JP7360984B2 (ja) * 2020-03-31 2023-10-13 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN120075461A (zh) * 2021-03-14 2025-05-30 腾讯科技(深圳)有限公司 视频编解码方法、装置、计算机可读介质及电子设备
GB2627130A (en) * 2021-12-09 2024-08-14 Apple Inc Encoding and decoding video content using prediction-aware flexible skip coding
WO2024107210A1 (en) * 2022-11-15 2024-05-23 Google Llc Dc only transform coefficient mode for image and video coding

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130027230A1 (en) * 2010-04-13 2013-01-31 Detlev Marpe Entropy coding
US20130272389A1 (en) * 2012-04-13 2013-10-17 Texas Instruments Incorporated Reducing Context Coded and Bypass Coded Bins to Improve Context Adaptive Binary Arithmetic Coding (CABAC) Throughput

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7599435B2 (en) * 2004-01-30 2009-10-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video frame encoding and decoding
US8428133B2 (en) * 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
US8483285B2 (en) * 2008-10-03 2013-07-09 Qualcomm Incorporated Video coding using transforms bigger than 4×4 and 8×8
ES2825200T3 (es) * 2010-04-13 2021-05-14 Ge Video Compression Llc Codificación de mapas de significado y bloques de coeficiente de transformada
US9661338B2 (en) * 2010-07-09 2017-05-23 Qualcomm Incorporated Coding syntax elements for adaptive scans of transform coefficients for video coding
US9641846B2 (en) * 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
CN107613307B (zh) * 2011-06-16 2021-04-06 Ge视频压缩有限责任公司 解码器、编码器、解码方法、编码方法及存储介质
US9565455B2 (en) * 2011-06-28 2017-02-07 Samsung Electronics Co., Ltd. Method and apparatus for coding video and method and apparatus for decoding video accompanied with arithmetic coding
KR102106534B1 (ko) * 2011-06-28 2020-05-04 삼성전자주식회사 엔트로피 부호화/복호화 방법 및 장치
US9826238B2 (en) * 2011-06-30 2017-11-21 Qualcomm Incorporated Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit
JP5733590B2 (ja) * 2011-07-15 2015-06-10 モトローラ モビリティ エルエルシーMotorola Mobility Llc 変換係数レベルを符号化するコンテキストモデリング技法
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
US8552890B2 (en) * 2012-01-19 2013-10-08 Sharp Laboratories Of America, Inc. Lossless coding with different parameter selection technique for CABAC in HEVC
US9363510B2 (en) * 2012-03-02 2016-06-07 Qualcomm Incorporated Scan-based sliding window in context derivation for transform coefficient coding
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US9538172B2 (en) 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements in video coding
US11025922B2 (en) * 2012-06-13 2021-06-01 Texas Instruments Incorporated Inverse transformation using pruning for video coding
US11233990B2 (en) 2016-02-08 2022-01-25 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
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
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130027230A1 (en) * 2010-04-13 2013-01-31 Detlev Marpe Entropy coding
US20130272389A1 (en) * 2012-04-13 2013-10-17 Texas Instruments Incorporated Reducing Context Coded and Bypass Coded Bins to Improve Context Adaptive Binary Arithmetic Coding (CABAC) Throughput

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