KR20230169959A - 비디오 코딩을 위한 인트라 모드 의존적 다중 변환 선택 - Google Patents

비디오 코딩을 위한 인트라 모드 의존적 다중 변환 선택 Download PDF

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Publication number
KR20230169959A
KR20230169959A KR1020237033959A KR20237033959A KR20230169959A KR 20230169959 A KR20230169959 A KR 20230169959A KR 1020237033959 A KR1020237033959 A KR 1020237033959A KR 20237033959 A KR20237033959 A KR 20237033959A KR 20230169959 A KR20230169959 A KR 20230169959A
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South Korea
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mts
block
mode
intra prediction
current block
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Pending
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KR1020237033959A
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English (en)
Korean (ko)
Inventor
밥파디트야 레이
무하메드 제이드 코반
루이스 조셉 케로프스키
바딤 세레긴
마르타 카르체비츠
커밍 차오
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퀄컴 인코포레이티드
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Priority claimed from US17/658,803 external-priority patent/US12615365B2/en
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Publication of KR20230169959A publication Critical patent/KR20230169959A/ko
Pending legal-status Critical Current

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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
    • H04N19/12—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
    • H04N19/102—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

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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)
KR1020237033959A 2021-04-12 2022-04-12 비디오 코딩을 위한 인트라 모드 의존적 다중 변환 선택 Pending KR20230169959A (ko)

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

Publications (1)

Publication Number Publication Date
KR20230169959A true KR20230169959A (ko) 2023-12-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237033959A Pending KR20230169959A (ko) 2021-04-12 2022-04-12 비디오 코딩을 위한 인트라 모드 의존적 다중 변환 선택

Country Status (11)

Country Link
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=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025150798A1 (ko) * 2024-01-08 2025-07-17 주식회사 엘엑스 세미콘 변환 기반 영상 코딩 방법 및 그 장치
WO2025150797A1 (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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (2)

* 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
KR20250078609A (ko) * 2019-05-08 2025-06-02 엘지전자 주식회사 Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025150798A1 (ko) * 2024-01-08 2025-07-17 주식회사 엘엑스 세미콘 변환 기반 영상 코딩 방법 및 그 장치
WO2025150797A1 (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

Also Published As

Publication number Publication date
JP2024514081A (ja) 2024-03-28
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

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