JP2024514081A - ビデオコーディングのためのイントラモード依存多重変換選択 - Google Patents

ビデオコーディングのためのイントラモード依存多重変換選択 Download PDF

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JP2024514081A
JP2024514081A JP2023559794A JP2023559794A JP2024514081A JP 2024514081 A JP2024514081 A JP 2024514081A JP 2023559794 A JP2023559794 A JP 2023559794A JP 2023559794 A JP2023559794 A JP 2023559794A JP 2024514081 A JP2024514081 A JP 2024514081A
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JP2024514081A5 (https=
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バッパディトヤ・レイ
ムハンマド・ゼイド・コバン
ルイス・ジョゼフ・ケロフスキー
ヴァディム・セレジン
マルタ・カルチェヴィチ
ケミン・カオ
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クアルコム，インコーポレイテッド
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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
    • H04N19/12—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
    • H04N19/102—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/169—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
    • H04N19/61—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
    • H04N19/60—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
    • H04N19/10—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

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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)
JP2023559794A 2021-04-12 2022-04-12 ビデオコーディングのためのイントラモード依存多重変換選択 Pending JP2024514081A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163173884P 2021-04-12 2021-04-12
US63/173,884 2021-04-12
US202163223377P 2021-07-19 2021-07-19
US63/223,377 2021-07-19
US17/658,803 US12615365B2 (en) 2021-04-12 2022-04-11 Intra-mode dependent multiple transform selection for video coding
US17/658,803 2022-04-11
PCT/US2022/071669 WO2022221829A1 (en) 2021-04-12 2022-04-12 Intra-mode dependent multiple transform selection for video coding

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JP2024514081A true JP2024514081A (ja) 2024-03-28
JP2024514081A5 JP2024514081A5 (https=) 2025-04-07

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EP (1) EP4324197A1 (https=)
JP (1) JP2024514081A (https=)
KR (1) KR20230169959A (https=)
AU (1) AU2022256539A1 (https=)
BR (1) BR112023020271A2 (https=)
CA (1) CA3210355A1 (https=)
CL (1) CL2023002941A1 (https=)
CO (1) CO2023012837A2 (https=)
IL (1) IL304919A (https=)
MX (1) MX2023011808A (https=)
WO (1) WO2022221829A1 (https=)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN120476594A (zh) * 2022-12-22 2025-08-12 北京达佳互联信息技术有限公司 用于变换训练和编解码的方法和装置
WO2025150797A1 (ko) * 2024-01-08 2025-07-17 주식회사 엘엑스 세미콘 변환 기반 영상 코딩 방법 및 그 장치
WO2025150798A1 (ko) * 2024-01-08 2025-07-17 주식회사 엘엑스 세미콘 변환 기반 영상 코딩 방법 및 그 장치
WO2025159493A1 (ko) * 2024-01-22 2025-07-31 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
TW202541498A (zh) * 2024-04-09 2025-10-16 美商高通公司 用於視訊寫碼之合併框內預測資料

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019525575A (ja) * 2016-07-15 2019-09-05 クアルコム，インコーポレイテッド 拡張型多重変換のためのルックアップテーブル
WO2020226424A1 (ko) * 2019-05-08 2020-11-12 엘지전자 주식회사 Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019525575A (ja) * 2016-07-15 2019-09-05 クアルコム，インコーポレイテッド 拡張型多重変換のためのルックアップテーブル
US20220385906A1 (en) * 2016-07-15 2022-12-01 Qualcomm Incorporated Look-up table for enhanced multiple transform
WO2020226424A1 (ko) * 2019-05-08 2020-11-12 엘지전자 주식회사 Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
US20220060751A1 (en) * 2019-05-08 2022-02-24 Lg Electronics Inc. Image encoding/decoding method and device for performing mip and lfnst, and method for transmitting bitstream
JP2022532114A (ja) * 2019-05-08 2022-07-13 エルジー エレクトロニクス インコーポレイティド Ｍｉｐ及びｌｆｎｓｔを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法

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BR112023020271A2 (pt) 2023-11-14
CO2023012837A2 (es) 2023-10-19
AU2022256539A1 (en) 2023-08-24
EP4324197A1 (en) 2024-02-21
IL304919A (en) 2023-10-01
WO2022221829A1 (en) 2022-10-20
MX2023011808A (es) 2023-10-12
CA3210355A1 (en) 2022-10-20
CL2023002941A1 (es) 2024-03-08
KR20230169959A (ko) 2023-12-18

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