MX378073B - Codificador, método de codificación, decodificador y método de decodificación - Google Patents

Codificador, método de codificación, decodificador y método de decodificación

Info

Publication number
MX378073B
MX378073B MX2020000031A MX2020000031A MX378073B MX 378073 B MX378073 B MX 378073B MX 2020000031 A MX2020000031 A MX 2020000031A MX 2020000031 A MX2020000031 A MX 2020000031A MX 378073 B MX378073 B MX 378073B
Authority
MX
Mexico
Prior art keywords
transformation
base
decoder
encoder
coefficient
Prior art date
Application number
MX2020000031A
Other languages
English (en)
Spanish (es)
Inventor
Hideo Saitou
Kiyofumi Abe
Masato Ohkawa
Ryuichi KANOH
Tadamasa Toma
Takahiro Nishi
Original Assignee
Panasonic Ip Corp America
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 Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Publication of MX378073B publication Critical patent/MX378073B/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
    • H04N19/10Methods 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
    • H04N19/124Quantisation
    • 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
    • H04N19/10Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • 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
    • H04N19/60Methods 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
    • H04N19/619Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
MX2020000031A 2017-07-13 2018-07-11 Codificador, método de codificación, decodificador y método de decodificación MX378073B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762532050P 2017-07-13 2017-07-13
PCT/JP2018/026113 WO2019013235A1 (ja) 2017-07-13 2018-07-11 符号化装置、符号化方法、復号装置及び復号方法

Publications (1)

Publication Number Publication Date
MX378073B true MX378073B (es) 2025-03-10

Family

ID=65002115

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2020000031A MX378073B (es) 2017-07-13 2018-07-11 Codificador, método de codificación, decodificador y método de decodificación
MX2020013276A MX2020013276A (es) 2017-07-13 2020-01-08 Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2020013276A MX2020013276A (es) 2017-07-13 2020-01-08 Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion.

Country Status (14)

Country Link
US (4) US10742977B2 (https=)
EP (3) EP3637767B1 (https=)
JP (5) JP6756919B2 (https=)
KR (5) KR102399384B1 (https=)
CN (7) CN114173124B (https=)
BR (1) BR112020000219A2 (https=)
CA (2) CA3086574A1 (https=)
ES (2) ES2917553T3 (https=)
HU (2) HUE067294T2 (https=)
LT (2) LT3637767T (https=)
MX (2) MX378073B (https=)
PL (2) PL3637767T3 (https=)
TW (5) TWI860614B (https=)
WO (1) WO2019013235A1 (https=)

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CN116074508A (zh) 2018-09-05 2023-05-05 Lg电子株式会社 对图像信号进行编码/解码的设备及发送图像信号的设备
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AU2020259889B2 (en) * 2019-04-16 2025-10-09 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
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CN117834875A (zh) * 2019-06-14 2024-04-05 松下电器(美国)知识产权公司 编码装置、解码装置和非暂时性的计算机可读取介质
US20230142928A1 (en) * 2020-04-02 2023-05-11 Lg Electronics Inc. Transform-based image coding method and device therefor
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Publication number Publication date
KR20250016500A (ko) 2025-02-03
CN114173122A (zh) 2022-03-11
US20200154105A1 (en) 2020-05-14
CN113115035B (zh) 2023-04-28
EP3637767B1 (en) 2022-05-04
TW201909646A (zh) 2019-03-01
CA3086574A1 (en) 2019-01-17
CN114173125B (zh) 2023-10-24
KR20200139270A (ko) 2020-12-11
CN114173121A (zh) 2022-03-11
CN114173124A (zh) 2022-03-11
KR102760415B1 (ko) 2025-02-03
JP6756919B2 (ja) 2020-09-16
PL3955572T3 (pl) 2024-09-23
JPWO2019013235A1 (ja) 2020-03-26
JP7299386B2 (ja) 2023-06-27
LT3955572T (lt) 2024-07-25
TWI777907B (zh) 2022-09-11
CN114173121B (zh) 2023-10-27
CA3069579C (en) 2020-08-25
HUE059331T2 (hu) 2022-11-28
EP3637767A4 (en) 2020-06-10
KR102556279B1 (ko) 2023-07-17
ES2917553T3 (es) 2022-07-08
JP7771130B2 (ja) 2025-11-17
BR112020000219A2 (pt) 2020-07-07
CN113115035A (zh) 2021-07-13
KR20220065103A (ko) 2022-05-19
EP3637767A1 (en) 2020-04-15
WO2019013235A1 (ja) 2019-01-17
TWI794129B (zh) 2023-02-21
JP2023107985A (ja) 2023-08-03
EP3955572A1 (en) 2022-02-16
TW202322631A (zh) 2023-06-01
EP3955572B1 (en) 2024-05-08
TW202231067A (zh) 2022-08-01
CN114173123A (zh) 2022-03-11
CN114173124B (zh) 2023-10-27
CN114173125A (zh) 2022-03-11
PL3637767T3 (pl) 2022-08-22
KR102188582B1 (ko) 2020-12-08
MX2020013276A (es) 2021-02-22
CN110892720B (zh) 2022-01-28
US20200322605A1 (en) 2020-10-08
CN114173123B (zh) 2023-10-24
TW202247664A (zh) 2022-12-01
KR20230108353A (ko) 2023-07-18
TW202508289A (zh) 2025-02-16
KR102399384B1 (ko) 2022-05-18
CA3069579A1 (en) 2019-01-17
ES2984938T3 (es) 2024-10-31
US10742977B2 (en) 2020-08-11
TWI761551B (zh) 2022-04-21
JP7109511B2 (ja) 2022-07-29
CN110892720A (zh) 2020-03-17
US12309370B2 (en) 2025-05-20
EP4373091A3 (en) 2024-07-24
CN114173122B (zh) 2023-10-24
US20240146925A1 (en) 2024-05-02
LT3637767T (lt) 2022-06-27
JP2022137273A (ja) 2022-09-21
JP2026015361A (ja) 2026-01-29
US11895299B2 (en) 2024-02-06
KR20200006171A (ko) 2020-01-17
TWI860614B (zh) 2024-11-01
EP4373091A2 (en) 2024-05-22
HUE067294T2 (hu) 2024-10-28
JP2020191687A (ja) 2020-11-26
US20250267263A1 (en) 2025-08-21

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