SG11202109072PA - Implicit transform selection in video coding - Google Patents

Implicit transform selection in video coding

Info

Publication number
SG11202109072PA
SG11202109072PA SG11202109072PA SG11202109072PA SG11202109072PA SG 11202109072P A SG11202109072P A SG 11202109072PA SG 11202109072P A SG11202109072P A SG 11202109072PA SG 11202109072P A SG11202109072P A SG 11202109072PA SG 11202109072P A SG11202109072P A SG 11202109072PA
Authority
SG
Singapore
Prior art keywords
video coding
transform selection
implicit transform
implicit
selection
Prior art date
Application number
SG11202109072PA
Inventor
Hilmi Enes Egilmez
Amir Said
Vadim Seregin
Marta Karczewicz
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 SG11202109072PA publication Critical patent/SG11202109072PA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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)
SG11202109072PA 2019-03-12 2020-03-12 Implicit transform selection in video coding SG11202109072PA (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 (1)

Publication Number Publication Date
SG11202109072PA true SG11202109072PA (en) 2021-09-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202109072PA SG11202109072PA (en) 2019-03-12 2020-03-12 Implicit transform selection in video coding

Country Status (15)

Country Link
US (1) US11539952B2 (en)
EP (1) EP3939280A1 (en)
JP (1) JP2022525024A (en)
KR (1) KR20210135245A (en)
CN (1) CN113545053A (en)
AU (1) AU2020235621A1 (en)
BR (1) BR112021017451A2 (en)
CA (1) CA3131886A1 (en)
CL (1) CL2021002369A1 (en)
CO (1) CO2021011797A2 (en)
IL (1) IL285755A (en)
MX (1) MX2021010861A (en)
SA (1) SA521430172B1 (en)
SG (1) SG11202109072PA (en)
WO (1) WO2020186042A1 (en)

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* Cited by examiner, † Cited by third party
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CN112601085A (en) * 2017-06-28 2021-04-02 华为技术有限公司 Image data encoding and decoding methods and devices
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
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 (en) * 2019-09-21 2024-08-26 Lg Electronics Inc. Transform-based image coding
US11575941B2 (en) * 2021-03-23 2023-02-07 Tencent America LLC Parallel processing in video coding
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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US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
CN107707920B (en) * 2012-04-16 2021-06-01 韩国电子通信研究院 Method for decoding video signal
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
WO2019004749A1 (en) * 2017-06-28 2019-01-03 엘지전자 주식회사 Method and apparatus for performing low complexity computation in transform kernel for video compression
JP7187566B2 (en) 2018-02-09 2022-12-12 フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン Partition-based intra-encoding concept
US10986340B2 (en) 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
US11218694B2 (en) 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
CN113545089B (en) * 2019-03-06 2024-07-02 韩国电子通信研究院 Image encoding/decoding method and apparatus, and recording medium storing bit stream
CN111669582B (en) 2019-03-09 2022-05-20 杭州海康威视数字技术股份有限公司 Method, encoding end, decoding end and system for encoding and decoding

Also Published As

Publication number Publication date
EP3939280A1 (en) 2022-01-19
KR20210135245A (en) 2021-11-12
WO2020186042A1 (en) 2020-09-17
IL285755A (en) 2021-10-31
CA3131886A1 (en) 2020-09-17
US20200296370A1 (en) 2020-09-17
US11539952B2 (en) 2022-12-27
MX2021010861A (en) 2021-10-22
AU2020235621A1 (en) 2021-09-23
CN113545053A (en) 2021-10-22
SA521430172B1 (en) 2024-08-28
CO2021011797A2 (en) 2021-09-30
JP2022525024A (en) 2022-05-11
TW202041017A (en) 2020-11-01
BR112021017451A2 (en) 2021-11-16
CL2021002369A1 (en) 2022-06-17

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