KR102519245B1 - 강화된 다중 변환을 위한 룩-업 테이블 - Google Patents

강화된 다중 변환을 위한 룩-업 테이블 Download PDF

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KR102519245B1
KR102519245B1 KR1020197000774A KR20197000774A KR102519245B1 KR 102519245 B1 KR102519245 B1 KR 102519245B1 KR 1020197000774 A KR1020197000774 A KR 1020197000774A KR 20197000774 A KR20197000774 A KR 20197000774A KR 102519245 B1 KR102519245 B1 KR 102519245B1
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신 자오
바딤 세레긴
마르타 카르체비츠
지안레 천
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퀄컴 인코포레이티드
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    • 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
    • H04N19/124—Quantisation
    • 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
    • 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
    • H04N19/12—Selection 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
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020197000774A 2016-07-15 2017-07-14 강화된 다중 변환을 위한 룩-업 테이블 Active KR102519245B1 (ko)

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

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CN (1) CN109691101B (enExample)
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Families Citing this family (118)

* 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
KR102509347B1 (ko) * 2017-04-13 2023-03-14 엘지전자 주식회사 비디오 신호를 인코딩, 디코딩하는 방법 및 장치
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
WO2019004749A1 (ko) * 2017-06-28 2019-01-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
EP3691266A4 (en) * 2017-09-28 2021-07-28 Sharp Kabushiki Kaisha IMAGE ENCODING DEVICE AND IMAGE DECODING DEVICE
WO2019076138A1 (en) 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
CN119402645A (zh) 2017-12-14 2025-02-07 交互数字Vc控股公司 编码图片块的方法、装置、存储介质和计算机程序产品
EP4307676A3 (en) * 2017-12-21 2024-03-13 LG Electronics Inc. Method for coding image on basis of selective transform and device therefor
EP3729807A1 (en) * 2017-12-22 2020-10-28 InterDigital VC Holdings, Inc. Method and apparatus for video compression using efficient multiple transforms
EP3503549A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video compression using efficient multiple transforms
KR20190088020A (ko) 2018-01-17 2019-07-25 인텔렉추얼디스커버리 주식회사 다양한 변환 기술을 사용하는 비디오 코딩 방법 및 장치
KR102907066B1 (ko) 2018-01-29 2026-01-05 인터디지털 브이씨 홀딩스 인코포레이티드 재구성된 픽처의 정제를 갖는 인코딩 및 디코딩
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
WO2019190284A1 (ko) * 2018-03-29 2019-10-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
WO2019190283A1 (ko) * 2018-03-29 2019-10-03 엘지전자 주식회사 저복잡도 연산 dst7을 설계하는 방법 및 장치
CN112567745B (zh) * 2018-03-29 2024-09-06 弗劳恩霍夫应用研究促进协会 用于视频编码的候选变换集合的确定
KR102710009B1 (ko) 2018-03-30 2024-09-26 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩에서의 크로마 양자화 파라미터 조정
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
KR102571996B1 (ko) * 2018-04-01 2023-08-28 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
FI3806476T3 (fi) * 2018-06-03 2023-08-15 Lg Electronics Inc Menetelmä ja laite videosignaalin käsittelemiseksi redusoitua muunnosta käyttäen
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
CN112166609B (zh) 2018-06-08 2024-10-18 株式会社Kt 用于处理视频信号的方法和设备
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
US10666981B2 (en) 2018-06-29 2020-05-26 Tencent America LLC Method, apparatus and medium for decoding or encoding
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
KR20250026417A (ko) * 2018-07-02 2025-02-25 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
WO2020011860A1 (en) * 2018-07-13 2020-01-16 Telefonaktiebolaget Lm Ericsson (Publ) 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
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
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
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
WO2020057504A1 (en) * 2018-09-17 2020-03-26 Mediatek Inc. Methods and apparatuses of combining multiple predictors for block prediction in video coding systems
MX2021003205A (es) * 2018-09-20 2021-05-27 Nokia Technologies Oy Un metodo y un aparato para codificacion y decodificacion de material de imagen/video digital.
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
CN117097895A (zh) * 2018-09-23 2023-11-21 Lg 电子株式会社 编码/解码视频信号的方法及其装置
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
CN117041553A (zh) * 2018-10-06 2023-11-10 华为技术有限公司 使用插值滤波器进行帧内预测的方法和装置
EP3857894A4 (en) * 2018-10-08 2022-09-07 HFI Innovation Inc. METHOD AND APPARATUS FOR CODING THE LAST SIGNIFICANT COEFFICIENT IN IMAGE AND VIDEO CODING
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
EP3788779A4 (en) * 2018-10-23 2022-03-02 Tencent America LLC METHOD AND DEVICE FOR VIDEO CODING
WO2020092137A1 (en) * 2018-11-01 2020-05-07 Interdigital Vc Holdings, Inc. 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
KR20250029262A (ko) * 2018-12-21 2025-03-04 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020139182A1 (en) * 2018-12-28 2020-07-02 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
MY207166A (en) * 2019-01-11 2025-02-04 Huawei Tech Co Ltd Encoder, decoder and corresponding methods using dct2 enabled high level flag
US11595663B2 (en) 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
EP3903498B1 (en) 2019-03-03 2025-10-01 Huawei Technologies Co., Ltd. An encoder, a decoder, and corresponding methods that are used for transform process
CN113365056B (zh) * 2019-03-09 2022-04-15 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、解码端、编码端和系统
CN110392256B (zh) * 2019-03-09 2020-12-11 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
US10986334B2 (en) 2019-03-09 2021-04-20 Tencent America LLC Method and apparatus for video coding
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
KR102860029B1 (ko) * 2019-04-23 2025-09-15 삼성전자주식회사 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치
JP7277608B2 (ja) * 2019-04-23 2023-05-19 北京字節跳動網絡技術有限公司 多重変換行列のコンテキストモデリングおよび選択
CN117499641A (zh) * 2019-05-10 2024-02-02 北京字节跳动网络技术有限公司 用于视频处理的简化二次变换的有条件使用
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
SG11202113262WA (en) 2019-05-31 2021-12-30 Interdigital Vc Holdings Inc Transform selection for implicit multiple transform selection
WO2020244663A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Applicability of implicit transform selection
WO2020244661A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Implicit selection of transform candidates
WO2020244662A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Simplified transform coding tools
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
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
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
EP4054195A4 (en) * 2019-10-29 2023-09-06 LG Electronics Inc. Transform-based image coding method and device therefor
US12034928B2 (en) * 2019-11-26 2024-07-09 Fraunhofer-Gesellschaft zur Förderung derangewandten Forschung e.V. Coding concepts for a transformed representation of a sample block
US11284071B2 (en) * 2019-12-12 2022-03-22 Google Llc Combination of mode-dependent and fixed transform types 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
US20210195192A1 (en) 2019-12-20 2021-06-24 Qualcomm Incorporated Coefficient group based restriction on multiple transform selection signaling 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
WO2021240647A1 (ja) * 2020-05-26 2021-12-02 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
CN112565754B (zh) * 2020-12-06 2022-11-11 浙江大华技术股份有限公司 基于ibc模式变换、编码方法、装置、电子设备及存储介质
BR112023020271A2 (pt) * 2021-04-12 2023-11-14 Qualcomm Inc Seleção de múltiplas transformadas dependentes de modo intra para codificação de vídeo
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
JP2025531073A (ja) * 2022-09-29 2025-09-19 現代自動車株式会社 分離不可能な１次変換基盤のビデオコーディングのための方法及び装置
CN116362989B (zh) * 2022-12-07 2026-01-02 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
WO2013154366A1 (ko) 2012-04-12 2013-10-17 주식회사 팬택 블록 정보에 따른 변환 방법 및 이러한 방법을 사용하는 장치

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
EP2747436A1 (en) * 2010-07-15 2014-06-25 Kabushiki Kaisha Toshiba Image decoding method using transform matrices
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
IN2014DN03096A (enExample) 2011-10-17 2015-05-15 Kt Corp
US9124872B2 (en) 2012-04-16 2015-09-01 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
AU2015417837B2 (en) * 2015-12-23 2019-07-18 Huawei Technologies Co., Ltd. Method and apparatus for transform coding with block-level transform selection and implicit signaling within hierarchical partitioning
US10567759B2 (en) * 2016-03-21 2020-02-18 Qualcomm Incorporated Using luma information for chroma prediction with separate luma-chroma framework in video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013154366A1 (ko) 2012-04-12 2013-10-17 주식회사 팬택 블록 정보에 따른 변환 방법 및 이러한 방법을 사용하는 장치
KR102061201B1 (ko) 2012-04-12 2019-12-31 주식회사 골드피크이노베이션즈 블록 정보에 따른 변환 방법 및 이러한 방법을 사용하는 장치

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
J. Chen et al, Algorithm Description of Joint Exploration Test Model 3, JVET of ITU-T and ISO/IEC, JVET-C1001 Ver.3 (2016.07.06.) 1부.*
Jicheng An et al, Non-CE7: Boundary-Dependent Transform for Inter-Predicted Residue, JCT-VC of ITU-T and ISO/IEC, JCTVC-G281 (2011.11.22.) 1부.*
K. Rapaka et al, Non Square TU Partitioning, JVET of ITU-T and ISO/IEC, JVET-B0047 version 2 (2016.02.21.) 1부.*
P. Philippe et al, Proposed improvements to the Adaptive multiple Core transform, JVET of ITU-T and ISO/IEC, JVET-C0022(2016.05.27.)
Xin Zhao et al, Enhanced Multiple Transform for Video Coding, 2016 Data Compression Conference (DCC), pp.73-82 (2014.04.01.) 1부.*

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US11412224B2 (en) 2022-08-09
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US20210195195A1 (en) 2021-06-24
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