KR20210142642A - 비디오 코딩을 위한 확장된 다중 변환 선택 - Google Patents

비디오 코딩을 위한 확장된 다중 변환 선택 Download PDF

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KR20210142642A
KR20210142642A KR1020217030566A KR20217030566A KR20210142642A KR 20210142642 A KR20210142642 A KR 20210142642A KR 1020217030566 A KR1020217030566 A KR 1020217030566A KR 20217030566 A KR20217030566 A KR 20217030566A KR 20210142642 A KR20210142642 A KR 20210142642A
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transform
coding
codeword
transformation
current block
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Korean (ko)
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힐미 에네스 에길메즈
바딤 세레긴
아미르 사이드
마르타 카르체비츠
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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
    • H04N19/60—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
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/157—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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • 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)
KR1020217030566A 2019-04-05 2020-04-03 비디오 코딩을 위한 확장된 다중 변환 선택 Pending KR20210142642A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962830125P 2019-04-05 2019-04-05
US62/830,125 2019-04-05
US201962855398P 2019-05-31 2019-05-31
US62/855,398 2019-05-31
US16/838,553 2020-04-02
US16/838,553 US11240534B2 (en) 2019-04-05 2020-04-02 Extended multiple transform selection for video coding
PCT/US2020/026620 WO2020206286A1 (en) 2019-04-05 2020-04-03 Extended multiple transform selection for video coding

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KR20210142642A true KR20210142642A (ko) 2021-11-25

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US (2) US11240534B2 (enExample)
EP (1) EP3949399A1 (enExample)
JP (1) JP7545410B2 (enExample)
KR (1) KR20210142642A (enExample)
CN (2) CN119865607A (enExample)
BR (1) BR112021018855A2 (enExample)
SG (1) SG11202109470VA (enExample)
WO (1) WO2020206286A1 (enExample)

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WO2024005614A1 (ko) * 2022-07-01 2024-01-04 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080795A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080797A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025116668A1 (ko) * 2023-11-30 2025-06-05 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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US11240534B2 (en) 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
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EP3987801A1 (en) * 2019-06-21 2022-04-27 Telefonaktiebolaget LM Ericsson (PUBL) Method and apparatus for non-separable transform selection in an encoder and decoder
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
CN119299678A (zh) * 2019-08-06 2025-01-10 交互数字Ce专利控股有限公司 用于视频编码和解码的二次变换
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JP7513703B2 (ja) * 2019-09-21 2024-07-09 エルジー エレクトロニクス インコーポレイティド 変換に基づく画像コーディング方法及びその装置
CA3156856A1 (en) * 2019-10-04 2021-04-08 Lg Electronics Inc. Transform-based image coding method, and device therefor
WO2021115387A1 (en) * 2019-12-12 2021-06-17 Mediatek Inc. Methods and apparatus for restricted secondary transform and signaling thereof in image coding
US12095997B2 (en) * 2020-01-10 2024-09-17 Lg Electronics Inc. Transform-based image coding method and device for same
WO2021238828A1 (en) * 2020-05-27 2021-12-02 Beijing Bytedance Network Technology Co., Ltd. Indication of multiple transform matrices in coded video
US11683490B2 (en) * 2020-09-10 2023-06-20 Tencent America LLC Context adaptive transform set
US11924471B2 (en) * 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
CN116325750A (zh) * 2021-08-30 2023-06-23 腾讯美国有限责任公司 用于具有自适应内核选项的二次变换的方法和装置
US12003731B2 (en) 2021-09-29 2024-06-04 Qualcomm Incorporated Adaptive determination of multiple transform candidates for video coding
US12452423B2 (en) * 2021-12-03 2025-10-21 Intel Corporation Low frequency non-separable transform and multiple transform selection deadlock prevention
CN114422782B (zh) * 2021-12-23 2023-09-19 北京达佳互联信息技术有限公司 视频编码方法、装置、存储介质及电子设备
WO2023131299A1 (en) * 2022-01-07 2023-07-13 Mediatek Inc. Signaling for transform coding
CN120569961A (zh) * 2023-01-24 2025-08-29 Oppo广东移动通信有限公司 索引至不可分变换核的帧内预测模式的确定
WO2024208638A1 (en) * 2023-04-06 2024-10-10 Interdigital Ce Patent Holdings, Sas Non-separable transforms for low delay applications
US20250175644A1 (en) * 2023-11-28 2025-05-29 Tencent America LLC Systems and methods for applying non-separable transforms on inter prediction residuals
US20250233992A1 (en) * 2024-01-12 2025-07-17 Tencent America LLC List construction and signaling of transform types and transform sets
WO2025209169A1 (en) * 2024-04-03 2025-10-09 Mediatek Inc. Methods and apparatus for low-frequency non-separable transform with multiple transform sets in a video coding system

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WO2024005614A1 (ko) * 2022-07-01 2024-01-04 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080795A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080797A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025116668A1 (ko) * 2023-11-30 2025-06-05 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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Publication number Publication date
US11240534B2 (en) 2022-02-01
SG11202109470VA (en) 2021-10-28
CN119865607A (zh) 2025-04-22
EP3949399A1 (en) 2022-02-09
US20220030278A1 (en) 2022-01-27
US11683527B2 (en) 2023-06-20
BR112021018855A2 (pt) 2021-11-30
US20200322636A1 (en) 2020-10-08
CN113632472A (zh) 2021-11-09
WO2020206286A1 (en) 2020-10-08
JP7545410B2 (ja) 2024-09-04
JP2022526375A (ja) 2022-05-24

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