TWI857025B - 視訊寫碼中之隱式變換選擇 - Google Patents

視訊寫碼中之隱式變換選擇 Download PDF

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Publication number
TWI857025B
TWI857025B TW109108190A TW109108190A TWI857025B TW I857025 B TWI857025 B TW I857025B TW 109108190 A TW109108190 A TW 109108190A TW 109108190 A TW109108190 A TW 109108190A TW I857025 B TWI857025 B TW I857025B
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Taiwan
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block
transform
current
video
dst
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TW109108190A
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Chinese (zh)
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TW202041017A (zh
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席爾米 伊恩斯 埃伊爾梅茲
阿米爾 塞德
法迪姆 塞瑞金
馬塔 卡茲維克茲
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美商高通公司
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/62—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions [3D]
    • 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]

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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)
TW109108190A 2019-03-12 2020-03-12 視訊寫碼中之隱式變換選擇 TWI857025B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962817397P 2019-03-12 2019-03-12
US62/817,397 2019-03-12
US16/815,920 2020-03-11
US16/815,920 US11539952B2 (en) 2019-03-12 2020-03-11 Implicit transform selection in video coding

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TW202041017A TW202041017A (zh) 2020-11-01
TWI857025B true TWI857025B (zh) 2024-10-01

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US (1) US11539952B2 (https=)
EP (1) EP3939280A1 (https=)
JP (2) JP2022525024A (https=)
KR (1) KR20210135245A (https=)
CN (1) CN113545053B (https=)
AU (1) AU2020235621B2 (https=)
BR (1) BR112021017451A2 (https=)
CA (1) CA3131886A1 (https=)
CL (1) CL2021002369A1 (https=)
CO (1) CO2021011797A2 (https=)
IL (1) IL285755B2 (https=)
MX (1) MX2021010861A (https=)
MY (1) MY209013A (https=)
PH (1) PH12021552027A1 (https=)
SA (1) SA521430172B1 (https=)
SG (1) SG11202109072PA (https=)
TW (1) TWI857025B (https=)
WO (1) WO2020186042A1 (https=)
ZA (1) ZA202107661B (https=)

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CN112601085A (zh) * 2017-06-28 2021-04-02 华为技术有限公司 一种图像数据的编码、解码方法及装置
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
CN115052163B (zh) * 2019-03-03 2024-04-09 华为技术有限公司 编码器、解码器和用于变换处理的对应方法
US11159795B2 (en) * 2019-03-04 2021-10-26 Tencent America LLC Max transform size control
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
PL4017008T3 (pl) * 2019-09-21 2024-08-26 Lg Electronics Inc. Kodowanie obrazu oparte na przekształceniu
JP2024509923A (ja) * 2021-03-18 2024-03-05 インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ フィルムグレインパラメータを生成する方法又は装置、フィルムグレインパターンを有する画素のブロックを生成する方法又は装置
US11575941B2 (en) * 2021-03-23 2023-02-07 Tencent America LLC Parallel processing in video coding
CN113286150B (zh) * 2021-05-17 2023-03-24 北京大学深圳研究生院 用于视频编解码的变换编码硬件实现方法、装置及设备
US20230052538A1 (en) * 2021-08-13 2023-02-16 Meta Platforms, Inc. Systems and methods for determining token rates within a rate-distortion optimization hardware pipeline

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US11539952B2 (en) 2022-12-27
CN113545053B (zh) 2025-06-27
PH12021552027A1 (en) 2022-08-22
MY209013A (en) 2025-06-17
CL2021002369A1 (es) 2022-06-17
TW202041017A (zh) 2020-11-01
AU2020235621B2 (en) 2024-11-28
CO2021011797A2 (es) 2021-09-30
WO2020186042A1 (en) 2020-09-17
EP3939280A1 (en) 2022-01-19
CA3131886A1 (en) 2020-09-17
KR20210135245A (ko) 2021-11-12
IL285755A (en) 2021-10-31
MX2021010861A (es) 2021-10-22
AU2020235621A1 (en) 2021-09-23
IL285755B1 (en) 2024-11-01
JP2022525024A (ja) 2022-05-11
CN113545053A (zh) 2021-10-22
US20200296370A1 (en) 2020-09-17
SA521430172B1 (ar) 2024-08-28
JP2026048646A (ja) 2026-03-17
SG11202109072PA (en) 2021-09-29
ZA202107661B (en) 2025-01-29
IL285755B2 (en) 2025-03-01
BR112021017451A2 (pt) 2021-11-16

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