IL285755B2 - Choosing a complete change in video encoding - Google Patents

Choosing a complete change in video encoding

Info

Publication number
IL285755B2
IL285755B2 IL285755A IL28575521A IL285755B2 IL 285755 B2 IL285755 B2 IL 285755B2 IL 285755 A IL285755 A IL 285755A IL 28575521 A IL28575521 A IL 28575521A IL 285755 B2 IL285755 B2 IL 285755B2
Authority
IL
Israel
Prior art keywords
transform
block
current
video
dst
Prior art date
Application number
IL285755A
Other languages
English (en)
Hebrew (he)
Other versions
IL285755A (en
IL285755B1 (en
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL285755A publication Critical patent/IL285755A/en
Publication of IL285755B1 publication Critical patent/IL285755B1/en
Publication of IL285755B2 publication Critical patent/IL285755B2/en

Links

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
    • H04N19/119—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]

Landscapes

  • 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)
IL285755A 2019-03-12 2020-03-12 Choosing a complete change in video encoding IL285755B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962817397P 2019-03-12 2019-03-12
US16/815,920 US11539952B2 (en) 2019-03-12 2020-03-11 Implicit transform selection in video coding
PCT/US2020/022363 WO2020186042A1 (en) 2019-03-12 2020-03-12 Implicit transform selection in video coding

Publications (3)

Publication Number Publication Date
IL285755A IL285755A (en) 2021-10-31
IL285755B1 IL285755B1 (en) 2024-11-01
IL285755B2 true IL285755B2 (en) 2025-03-01

Family

ID=72423554

Family Applications (1)

Application Number Title Priority Date Filing Date
IL285755A IL285755B2 (en) 2019-03-12 2020-03-12 Choosing a complete change in video encoding

Country Status (19)

Country Link
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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US11323699B2 (en) * 2012-04-16 2022-05-03 Electronics And Telecommunications Research Institute Encoding method and decoding method, and device using same
US9380307B2 (en) * 2012-11-19 2016-06-28 Qualcomm Incorporated Method and system for intra base layer (BL) transform in video coding
US9432109B2 (en) * 2013-09-04 2016-08-30 Gilat Satellite Networks Ltd. Satellite communication terminal installation
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US9807423B1 (en) * 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US11070806B2 (en) * 2017-06-28 2021-07-20 Lg Electronics Inc. Method and apparatus for performing low complexity computation in transform kernel for video compression
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KR20200107868A (ko) 2019-03-06 2020-09-16 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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Also Published As

Publication number Publication date
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
TWI857025B (zh) 2024-10-01
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
BR112021017451A2 (pt) 2021-11-16

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