KR20250053214A - 최대 변환 크기 제어 - Google Patents

최대 변환 크기 제어 Download PDF

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Publication number
KR20250053214A
KR20250053214A KR1020257011471A KR20257011471A KR20250053214A KR 20250053214 A KR20250053214 A KR 20250053214A KR 1020257011471 A KR1020257011471 A KR 1020257011471A KR 20257011471 A KR20257011471 A KR 20257011471A KR 20250053214 A KR20250053214 A KR 20250053214A
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KR
South Korea
Prior art keywords
maximum
size
video sequence
transform size
maximum transform
Prior art date
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Pending
Application number
KR1020257011471A
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English (en)
Korean (ko)
Inventor
신 자오
샹 리
산 류
Original Assignee
텐센트 아메리카 엘엘씨
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Publication of KR20250053214A publication Critical patent/KR20250053214A/ko
Pending legal-status Critical Current

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Classifications

    • 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
    • H04N19/12—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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)
KR1020257011471A 2019-03-04 2020-03-02 최대 변환 크기 제어 Pending KR20250053214A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962813665P 2019-03-04 2019-03-04
US62/813,665 2019-03-04
US16/804,547 US11159795B2 (en) 2019-03-04 2020-02-28 Max transform size control
US16/804,547 2020-02-28
KR1020217017551A KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어
PCT/US2020/020607 WO2020180769A1 (en) 2019-03-04 2020-03-02 Maximum transform size control

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217017551A Division KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어

Publications (1)

Publication Number Publication Date
KR20250053214A true KR20250053214A (ko) 2025-04-21

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020257011471A Pending KR20250053214A (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어
KR1020217017551A Active KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어

Family Applications After (1)

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Country Status (9)

Country Link
US (4) US11159795B2 (https=)
EP (1) EP3935858A4 (https=)
JP (2) JP7436482B2 (https=)
KR (2) KR20250053214A (https=)
CN (3) CN113545091B (https=)
AU (5) AU2020233293B2 (https=)
CA (1) CA3132312A1 (https=)
SG (1) SG11202109477YA (https=)
WO (1) WO2020180769A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020182069A1 (en) * 2019-03-10 2020-09-17 Mediatek Inc. Mehtod and apparatus of the quantization matrix computation and representation for video coding
CN113574879A (zh) * 2019-03-15 2021-10-29 三星电子株式会社 图像编码方法和装置、图像解码方法和装置
WO2020197038A1 (ko) 2019-03-22 2020-10-01 엘지전자 주식회사 영상 코딩 시스템에서 인트라 서브 파티션 기반의 인트라 예측 방법 및 장치
PL3989559T3 (pl) * 2019-06-24 2025-06-16 Lg Electronics Inc. Sposób i urządzenie do kodowania/dekodowania obrazu z wykorzystaniem ustawienia maksymalnego rozmiaru przekształcenia dla bloku chroma, i sposób przesyłania strumienia bitowego
US12549765B2 (en) * 2019-06-25 2026-02-10 Electronics And Telecommunications Research Institute Image encoding/decoding method and apparatus
EP4676049A3 (en) * 2019-07-19 2026-04-01 Wilus Institute of Standards and Technology Inc. Method and device for processing video signal
PH12022550201A1 (en) * 2019-07-26 2023-01-04 Beijing Bytedance Network Tech Co Ltd Determination of picture partition mode based on block size
CN119996693A (zh) * 2019-09-12 2025-05-13 阿里巴巴集团控股有限公司 视频编解码的计算机实现的方法及计算机可读存储介质
WO2021048077A1 (en) * 2019-09-13 2021-03-18 Interdigital Vc Holdings France, Sas Transform size interactions with coding tools
AU2020203330B2 (en) * 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101456498B1 (ko) * 2009-08-14 2014-10-31 삼성전자주식회사 계층적 부호화 단위의 스캔 순서를 고려한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
US9788019B2 (en) * 2011-03-09 2017-10-10 Hfi Innovation Inc. Method and apparatus of transform unit partition with reduced complexity
MY163983A (en) 2011-03-10 2017-11-15 Sharp Kk A method for decoding video
US20120243614A1 (en) * 2011-03-22 2012-09-27 Danny Hong Alternative block coding order in video coding
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US20130016769A1 (en) * 2011-07-17 2013-01-17 Qualcomm Incorporated Signaling picture size in video coding
KR101542586B1 (ko) * 2011-10-19 2015-08-06 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
US9185405B2 (en) * 2012-03-23 2015-11-10 Qualcomm Incorporated Coded block flag inference in video coding
US9912944B2 (en) * 2012-04-16 2018-03-06 Qualcomm Incorporated Simplified non-square quadtree transforms for video coding
US9426466B2 (en) * 2012-06-22 2016-08-23 Qualcomm Incorporated Transform skip mode
US10021394B2 (en) * 2012-09-24 2018-07-10 Qualcomm Incorporated Hypothetical reference decoder parameters in video coding
US9615086B2 (en) 2013-02-06 2017-04-04 Research & Business Foundation Sungkyunkwan University Method and apparatus for intra prediction
WO2015100515A1 (en) * 2013-12-30 2015-07-09 Qualcomm Incorporated Simplification of segment-wise dc coding of large prediction blocks in 3d video coding
CN106105216A (zh) * 2014-03-13 2016-11-09 高通股份有限公司 用于3d视频译码的受约束深度帧内模式译码
US20160173906A1 (en) * 2014-12-11 2016-06-16 Intel Corporation Partition mode and transform size determination based on flatness of video
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10440399B2 (en) * 2015-11-13 2019-10-08 Qualcomm Incorporated Coding sign information of video data
US20170150176A1 (en) * 2015-11-25 2017-05-25 Qualcomm Incorporated Linear-model prediction with non-square prediction units in video coding
EP4568242A1 (en) * 2016-05-13 2025-06-11 Sony Group Corporation Image processing apparatus and method
US10779007B2 (en) * 2017-03-23 2020-09-15 Mediatek Inc. Transform coding of video data
US10812810B2 (en) * 2018-02-06 2020-10-20 Tencent America LLC Method and apparatus for video coding in merge mode
US10798382B2 (en) * 2018-04-26 2020-10-06 Tencent America LLC Sub-block transform
US10805624B2 (en) * 2018-07-16 2020-10-13 Tencent America LLC Determination of parameters of an affine model
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
US11128866B2 (en) * 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
US11356699B2 (en) * 2019-01-11 2022-06-07 Hfi Innovation Inc. Method and apparatus of sub-block deblocking in video coding
US11539952B2 (en) * 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
US11032543B2 (en) * 2019-03-22 2021-06-08 Tencent America LLC Method and apparatus for video coding
US11317116B2 (en) * 2019-03-26 2022-04-26 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
JP2022511851A (ja) 2022-02-01
US20250106398A1 (en) 2025-03-27
CN113545091A (zh) 2021-10-22
AU2024204959A1 (en) 2024-08-08
US11159795B2 (en) 2021-10-26
EP3935858A4 (en) 2022-08-03
WO2020180769A1 (en) 2020-09-10
AU2024204958A1 (en) 2024-08-08
AU2024204951A1 (en) 2024-08-08
AU2020233293B2 (en) 2023-03-16
CN117499652A (zh) 2024-02-02
AU2023203796A1 (en) 2023-07-13
JP2024050853A (ja) 2024-04-10
US11647192B2 (en) 2023-05-09
KR20210088671A (ko) 2021-07-14
AU2024204951B2 (en) 2026-04-02
CA3132312A1 (en) 2020-09-10
AU2023203796B2 (en) 2024-05-02
US20200288131A1 (en) 2020-09-10
JP7436482B2 (ja) 2024-02-21
AU2020233293A1 (en) 2021-09-23
KR102795040B1 (ko) 2025-04-15
CN113545091B (zh) 2023-09-22
US12184854B2 (en) 2024-12-31
EP3935858A1 (en) 2022-01-12
JP7790810B2 (ja) 2025-12-23
US20210409710A1 (en) 2021-12-30
CN117499653A (zh) 2024-02-02
SG11202109477YA (en) 2021-09-29
US20230224462A1 (en) 2023-07-13

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A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20250408

Application number text: 1020217017551

Filing date: 20210608

PA0201 Request for examination
PG1501 Laying open of application