CA3208670A1 - Image encoding method, image decoding method, encoder, decoder and storage medium - Google Patents

Image encoding method, image decoding method, encoder, decoder and storage medium

Info

Publication number
CA3208670A1
CA3208670A1 CA3208670A CA3208670A CA3208670A1 CA 3208670 A1 CA3208670 A1 CA 3208670A1 CA 3208670 A CA3208670 A CA 3208670A CA 3208670 A CA3208670 A CA 3208670A CA 3208670 A1 CA3208670 A1 CA 3208670A1
Authority
CA
Canada
Prior art keywords
offset parameter
initial
mip mode
mip
right shift
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3208670A
Other languages
English (en)
French (fr)
Inventor
Shuai Wan
Junyan Huo
Yanzhuo Ma
Fuzheng Yang
Jinkun GUO
Haixin Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CA3208670A priority Critical patent/CA3208670A1/en
Publication of CA3208670A1 publication Critical patent/CA3208670A1/en
Pending legal-status Critical Current

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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3208670A 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium Pending CA3208670A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3208670A CA3208670A1 (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA3208670A CA3208670A1 (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium
PCT/CN2019/092689 WO2020258010A1 (zh) 2019-06-25 2019-06-25 图像编解码方法、编码器、解码器以及存储介质
CA3112849A CA3112849C (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3112849A Division CA3112849C (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium

Publications (1)

Publication Number Publication Date
CA3208670A1 true CA3208670A1 (en) 2020-12-30

Family

ID=74059827

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3208670A Pending CA3208670A1 (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium
CA3112849A Active CA3112849C (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium

Family Applications After (1)

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CA3112849A Active CA3112849C (en) 2019-06-25 2019-06-25 Image encoding method, image decoding method, encoder, decoder and storage medium

Country Status (16)

Country Link
US (4) US11146798B2 (enExample)
EP (2) EP4228256A1 (enExample)
JP (3) JP7448563B2 (enExample)
KR (6) KR20250138286A (enExample)
CN (5) CN115150612B (enExample)
AU (5) AU2019455073B2 (enExample)
BR (1) BR112021006724A2 (enExample)
CA (2) CA3208670A1 (enExample)
ES (1) ES2950980T3 (enExample)
IL (2) IL309549A (enExample)
MX (1) MX2021004541A (enExample)
PH (1) PH12021550517A1 (enExample)
PL (1) PL3820151T3 (enExample)
SG (1) SG11202102562WA (enExample)
WO (1) WO2020258010A1 (enExample)
ZA (1) ZA202101697B (enExample)

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Publication number Publication date
US20250294165A1 (en) 2025-09-18
JP7448563B2 (ja) 2024-03-12
KR20250161671A (ko) 2025-11-17
MX2021004541A (es) 2021-06-15
ZA202101697B (en) 2022-07-27
AU2025202149A1 (en) 2025-04-10
CN115150612A (zh) 2022-10-04
US20210352298A1 (en) 2021-11-11
US11146798B2 (en) 2021-10-12
KR20250135352A (ko) 2025-09-12
AU2019455073A1 (en) 2021-04-08
AU2025202142A1 (en) 2025-04-10
CA3112849C (en) 2023-10-17
CN115150612B (zh) 2025-03-11
SG11202102562WA (en) 2021-04-29
AU2025202148A1 (en) 2025-04-10
JP2022542210A (ja) 2022-09-30
EP4228256A1 (en) 2023-08-16
IL281400B2 (en) 2024-05-01
EP3820151B1 (en) 2023-06-14
CN120034648A (zh) 2025-05-23
CN120034647B (zh) 2025-12-05
US20210218971A1 (en) 2021-07-15
CN120034647A (zh) 2025-05-23
PH12021550517A1 (en) 2022-02-21
IL281400B1 (en) 2024-01-01
US12192479B2 (en) 2025-01-07
US20250088643A1 (en) 2025-03-13
KR102859555B1 (ko) 2025-09-12
CN113068032B (zh) 2022-07-26
IL281400A (en) 2021-04-29
ES2950980T3 (es) 2023-10-17
CN113068032A (zh) 2021-07-02
KR20250136435A (ko) 2025-09-16
BR112021006724A2 (pt) 2022-02-01
IL309549A (en) 2024-02-01
KR20250138287A (ko) 2025-09-19
AU2019455073B2 (en) 2025-02-06
JP7674550B2 (ja) 2025-05-09
CA3112849A1 (en) 2020-12-30
WO2020258010A1 (zh) 2020-12-30
JP2025100831A (ja) 2025-07-03
EP3820151A1 (en) 2021-05-12
KR20250138286A (ko) 2025-09-19
AU2025202141A1 (en) 2025-04-10
EP3820151A4 (en) 2021-06-16
CN112514381A (zh) 2021-03-16
JP2024059922A (ja) 2024-05-01
KR20220023324A (ko) 2022-03-02
PL3820151T3 (pl) 2023-08-14

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