MX2021010861A - Seleccion de transformada implicita en codificacion de video. - Google Patents

Seleccion de transformada implicita en codificacion de video.

Info

Publication number
MX2021010861A
MX2021010861A MX2021010861A MX2021010861A MX2021010861A MX 2021010861 A MX2021010861 A MX 2021010861A MX 2021010861 A MX2021010861 A MX 2021010861A MX 2021010861 A MX2021010861 A MX 2021010861A MX 2021010861 A MX2021010861 A MX 2021010861A
Authority
MX
Mexico
Prior art keywords
block
transform
current
video block
video coding
Prior art date
Application number
MX2021010861A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Amir Said
Vadim Seregin
Hilmi Enes Egilmez
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 MX2021010861A publication Critical patent/MX2021010861A/es

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
    • H04N19/12Selection 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
    • H04N19/119Adaptive 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
    • 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
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • 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
    • H04N19/62Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions

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)
MX2021010861A 2019-03-12 2020-03-12 Seleccion de transformada implicita en codificacion de video. MX2021010861A (es)

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
MX2021010861A true MX2021010861A (es) 2021-10-22

Family

ID=72423554

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021010861A MX2021010861A (es) 2019-03-12 2020-03-12 Seleccion de transformada implicita en codificacion de video.

Country Status (19)

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

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CN109151468B (zh) 2017-06-28 2020-12-08 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
KR102475963B1 (ko) * 2019-03-03 2022-12-08 후아웨이 테크놀러지 컴퍼니 리미티드 변환 프로세스를 위해 사용되는 인코더, 디코더 및 대응하는 방법
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
CN119496894A (zh) * 2019-09-21 2025-02-21 Lg电子株式会社 图像编码/解码方法、存储介质和数据发送方法
EP4309368A1 (en) * 2021-03-18 2024-01-24 InterDigital CE Patent Holdings, SAS A method or an apparatus for generating film grain parameters, a method or an apparatus for generating a block of pixels with film grain pattern
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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US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
KR101591352B1 (ko) * 2012-04-16 2016-02-04 한국전자통신연구원 비디오 복호화 장치
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
WO2019154936A1 (en) 2018-02-09 2019-08-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Partition-based intra coding 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
EP3937500A4 (en) 2019-03-06 2022-12-14 Electronics and Telecommunications Research Institute METHOD AND DEVICE FOR ENCODING/DECODING IMAGES AND AND RECORDING MEDIUM WITH RECORDED BITSTREAM
CN110392256B (zh) 2019-03-09 2020-12-11 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、编码端、解码端和系统

Also Published As

Publication number Publication date
MY209013A (en) 2025-06-17
WO2020186042A1 (en) 2020-09-17
CA3131886A1 (en) 2020-09-17
PH12021552027A1 (en) 2022-08-22
TW202041017A (zh) 2020-11-01
CL2021002369A1 (es) 2022-06-17
SA521430172B1 (ar) 2024-08-28
CO2021011797A2 (es) 2021-09-30
AU2020235621B2 (en) 2024-11-28
TWI857025B (zh) 2024-10-01
BR112021017451A2 (pt) 2021-11-16
KR20210135245A (ko) 2021-11-12
CN113545053B (zh) 2025-06-27
US20200296370A1 (en) 2020-09-17
CN113545053A (zh) 2021-10-22
US11539952B2 (en) 2022-12-27
IL285755A (en) 2021-10-31
AU2020235621A1 (en) 2021-09-23
JP2022525024A (ja) 2022-05-11
EP3939280A1 (en) 2022-01-19
IL285755B1 (en) 2024-11-01
SG11202109072PA (en) 2021-09-29
IL285755B2 (en) 2025-03-01
ZA202107661B (en) 2025-01-29

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