CA3275440A1 - Method for encoding/decoding image signal, and device for same - Google Patents

Method for encoding/decoding image signal, and device for same

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Publication number
CA3275440A1
CA3275440A1 CA3275440A CA3275440A CA3275440A1 CA 3275440 A1 CA3275440 A1 CA 3275440A1 CA 3275440 A CA3275440 A CA 3275440A CA 3275440 A CA3275440 A CA 3275440A CA 3275440 A1 CA3275440 A1 CA 3275440A1
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Canada
Prior art keywords
encoding
same
image signal
decoding image
decoding
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
CA3275440A
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English (en)
Inventor
Bae Keun Lee
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 CA3199533A priority Critical patent/CA3199533C/en
Publication of CA3275440A1 publication Critical patent/CA3275440A1/en
Pending legal-status Critical Current

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    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
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    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • 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
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    • 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
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    • 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
    • H04N19/136—Incoming video signal characteristics or properties
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    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H—ELECTRICITY
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods 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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
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    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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]
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • 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)
CA3275440A 2018-11-08 2019-11-08 Method for encoding/decoding image signal, and device for same Pending CA3275440A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3199533A CA3199533C (en) 2018-11-08 2019-11-08 METHOD FOR ENCODING/DECODING AN IMAGE SIGNAL, AND ASSOCIATED DEVICE

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2018-0136262 2018-11-08
KR20180136262 2018-11-08
KR20180167979 2018-12-21
KR10-2018-0167979 2018-12-21
CA3199533A CA3199533C (en) 2018-11-08 2019-11-08 METHOD FOR ENCODING/DECODING AN IMAGE SIGNAL, AND ASSOCIATED DEVICE

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3199533A Division CA3199533C (en) 2018-11-08 2019-11-08 METHOD FOR ENCODING/DECODING AN IMAGE SIGNAL, AND ASSOCIATED DEVICE

Publications (1)

Publication Number Publication Date
CA3275440A1 true CA3275440A1 (en) 2025-10-31

Family

ID=70611562

Family Applications (3)

Application Number Title Priority Date Filing Date
CA3275440A Pending CA3275440A1 (en) 2018-11-08 2019-11-08 Method for encoding/decoding image signal, and device for same
CA3199533A Active CA3199533C (en) 2018-11-08 2019-11-08 METHOD FOR ENCODING/DECODING AN IMAGE SIGNAL, AND ASSOCIATED DEVICE
CA3117479A Active CA3117479C (en) 2018-11-08 2019-11-08 Method for encoding/decoding image signal, and device for same

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CA3199533A Active CA3199533C (en) 2018-11-08 2019-11-08 METHOD FOR ENCODING/DECODING AN IMAGE SIGNAL, AND ASSOCIATED DEVICE
CA3117479A Active CA3117479C (en) 2018-11-08 2019-11-08 Method for encoding/decoding image signal, and device for same

Country Status (18)

Country Link
US (1) US20210235075A1 (https=)
EP (2) EP3860123B1 (https=)
JP (6) JP7460616B2 (https=)
KR (6) KR102907584B1 (https=)
CN (9) CN113382234B (https=)
AU (6) AU2019376595B2 (https=)
BR (1) BR112021008720A2 (https=)
CA (3) CA3275440A1 (https=)
CL (1) CL2021001126A1 (https=)
ES (1) ES2972074T3 (https=)
IL (6) IL282664B2 (https=)
MX (5) MX2021004886A (https=)
MY (1) MY209696A (https=)
PH (1) PH12021550912A1 (https=)
PL (1) PL3860123T3 (https=)
SG (1) SG11202104531TA (https=)
WO (1) WO2020096426A1 (https=)
ZA (1) ZA202103282B (https=)

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JP2022509743A (ja) 2022-01-24
ES2972074T3 (es) 2024-06-11
AU2024278452B2 (en) 2026-01-29
CN113382234A (zh) 2021-09-10
IL315824B1 (en) 2026-04-01
IL282664B1 (en) 2024-10-01
CN116208765A (zh) 2023-06-02
KR20260005861A (ko) 2026-01-12
EP4287622A2 (en) 2023-12-06
JP2026062983A (ja) 2026-04-10
SG11202104531TA (en) 2021-05-28
KR20260012177A (ko) 2026-01-26
JP2024069563A (ja) 2024-05-21
CL2021001126A1 (es) 2021-10-01
IL315822A (en) 2024-11-01
IL326756A (en) 2026-04-01
MY209696A (en) 2025-07-30
IL315824A (en) 2024-11-01
CN113039788A (zh) 2021-06-25
AU2024278449B2 (en) 2026-01-22
JP2025098255A (ja) 2025-07-01
MX2024015087A (es) 2025-01-09
IL315819A (en) 2024-11-01
AU2019376595A1 (en) 2021-05-20
CN120692397A (zh) 2025-09-23
CN116074506B (zh) 2025-08-01
KR102907584B1 (ko) 2026-01-05
JP7804811B2 (ja) 2026-01-22
CA3117479C (en) 2023-06-13
KR20260011653A (ko) 2026-01-23
ZA202103282B (en) 2022-08-31
KR20260011113A (ko) 2026-01-22
CN116074505A (zh) 2023-05-05
AU2024278452A1 (en) 2025-01-09
EP4287622A3 (en) 2024-02-21
AU2024278447B2 (en) 2026-01-22
CA3117479A1 (en) 2020-05-14
AU2024278446A1 (en) 2025-01-09
KR20200054111A (ko) 2020-05-19
IL315819B1 (en) 2026-04-01
AU2024278446B2 (en) 2026-01-29
CA3199533C (en) 2025-09-09
MX2024015088A (es) 2025-01-09
IL282664A (en) 2021-06-30
AU2024278449A1 (en) 2025-01-09
CN116074506A (zh) 2023-05-05
US20210235075A1 (en) 2021-07-29
IL315820A (en) 2024-11-01
IL315822B1 (en) 2026-04-01
IL282664B2 (en) 2025-02-01
PL3860123T3 (pl) 2024-05-13
BR112021008720A2 (pt) 2021-08-03
CA3199533A1 (en) 2020-05-14
CN113382234B (zh) 2023-03-10
KR20260012176A (ko) 2026-01-26
CN121792728A (zh) 2026-04-03
AU2026201848A1 (en) 2026-04-02
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CN116074505B (zh) 2026-02-27
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JP2024069562A (ja) 2024-05-21
JP7658000B2 (ja) 2025-04-07
JP7657999B2 (ja) 2025-04-07
MX2024015089A (es) 2025-01-09
WO2020096426A1 (ko) 2020-05-14
JP7460616B2 (ja) 2024-04-04
JP7661564B2 (ja) 2025-04-14
IL315820B1 (en) 2026-04-01
CN116208765B (zh) 2025-07-29
MX2021004886A (es) 2021-06-15
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