PL4373094T3 - Sposób kodowania obrazu oparty na przekształceniu i służące do tego urządzenie - Google Patents

Sposób kodowania obrazu oparty na przekształceniu i służące do tego urządzenie

Info

Publication number
PL4373094T3
PL4373094T3 PL24168784.7T PL24168784T PL4373094T3 PL 4373094 T3 PL4373094 T3 PL 4373094T3 PL 24168784 T PL24168784 T PL 24168784T PL 4373094 T3 PL4373094 T3 PL 4373094T3
Authority
PL
Poland
Prior art keywords
transform
method based
coding method
image coding
device therefor
Prior art date
Application number
PL24168784.7T
Other languages
English (en)
Inventor
Moonmo Koo
Jaehyun Lim
Seunghwan Kim
Original Assignee
Lg Electronics 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 Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL4373094T3 publication Critical patent/PL4373094T3/pl

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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
    • H04N19/119Adaptive 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
    • 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/134Methods 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/60Methods 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
    • H04N19/70Methods 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

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 Of Band Width Or Redundancy In Fax (AREA)
PL24168784.7T 2019-09-21 2020-09-21 Sposób kodowania obrazu oparty na przekształceniu i służące do tego urządzenie PL4373094T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962903821P 2019-09-21 2019-09-21
US201962904627P 2019-09-23 2019-09-23

Publications (1)

Publication Number Publication Date
PL4373094T3 true PL4373094T3 (pl) 2025-04-28

Family

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Family Applications (2)

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PL24168784.7T PL4373094T3 (pl) 2019-09-21 2020-09-21 Sposób kodowania obrazu oparty na przekształceniu i służące do tego urządzenie
PL20864403.9T PL4017007T3 (pl) 2019-09-21 2020-09-21 Sposób kodowania obrazu oparty na przekształceniu i służące do tego urządzenie

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PL20864403.9T PL4017007T3 (pl) 2019-09-21 2020-09-21 Sposób kodowania obrazu oparty na przekształceniu i służące do tego urządzenie

Country Status (15)

Country Link
US (3) US11805257B2 (pl)
EP (3) EP4373094B1 (pl)
JP (4) JP7299413B2 (pl)
KR (3) KR102467334B1 (pl)
CN (4) CN114731434B (pl)
CA (1) CA3155276C (pl)
ES (2) ES2982593T3 (pl)
FI (1) FI4017007T3 (pl)
HR (2) HRP20250361T1 (pl)
HU (2) HUE067103T2 (pl)
MX (3) MX2022003321A (pl)
PL (2) PL4373094T3 (pl)
RS (1) RS66628B1 (pl)
SI (1) SI4017007T1 (pl)
WO (1) WO2021054796A1 (pl)

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US20240146966A1 (en) * 2021-04-12 2024-05-02 Lg Electronics Inc. Method and apparatus for designing low frequency non-seperable transform
EP4625993A1 (en) * 2022-11-24 2025-10-01 LG Electronics Inc. Image encoding/decoding method and device, and recording medium on which bitstream is stored
JP2026504649A (ja) * 2022-11-24 2026-02-06 エルジー エレクトロニクス インコーポレイティド 画像エンコーディング/デコーディング方法及び装置、並びにビットストリームを保存した記録媒体
EP4633167A1 (en) * 2022-12-09 2025-10-15 LG Electronics Inc. Image encoding/decoding method and device, and recording medium storing bitstream
KR20250127293A (ko) * 2022-12-20 2025-08-26 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
KR20250121130A (ko) * 2022-12-20 2025-08-11 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN120323026A (zh) * 2022-12-20 2025-07-15 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
WO2024136486A1 (ko) * 2022-12-20 2024-06-27 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN120345255A (zh) * 2022-12-20 2025-07-18 Lg 电子株式会社 图像编码/解码方法和设备以及用于存储比特流的记录介质
KR20250127294A (ko) * 2022-12-20 2025-08-26 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024136476A1 (ko) * 2022-12-20 2024-06-27 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024136471A1 (ko) * 2022-12-20 2024-06-27 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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Publication number Publication date
JP2023107986A (ja) 2023-08-03
HRP20240816T1 (hr) 2024-11-22
CN116600120B (zh) 2026-01-09
CN116527937B (zh) 2025-09-26
CN116527938B (zh) 2025-09-30
EP4572309A1 (en) 2025-06-18
CN114731434B (zh) 2023-06-30
HUE067103T2 (hu) 2024-09-28
EP4373094B1 (en) 2025-03-05
MX2025003753A (es) 2025-05-02
KR102935856B1 (ko) 2026-03-05
EP4017007A4 (en) 2022-11-16
FI4017007T3 (fi) 2024-06-19
MX2025003751A (es) 2025-05-02
CA3155276C (en) 2025-11-04
CN116527937A (zh) 2023-08-01
US11805257B2 (en) 2023-10-31
HUE070896T2 (hu) 2025-07-28
KR20260032654A (ko) 2026-03-09
US20250211750A1 (en) 2025-06-26
JP7299413B2 (ja) 2023-06-27
JP7769082B2 (ja) 2025-11-12
PL4017007T3 (pl) 2024-07-29
KR20220045041A (ko) 2022-04-12
RS66628B1 (sr) 2025-04-30
EP4017007B1 (en) 2024-05-22
ES2982593T3 (es) 2024-10-17
US12273529B2 (en) 2025-04-08
CN114731434A (zh) 2022-07-08
JP2022548961A (ja) 2022-11-22
EP4373094A3 (en) 2024-05-29
EP4017007A1 (en) 2022-06-22
BR112022005040A2 (pt) 2022-06-21
CN116600120A (zh) 2023-08-15
EP4373094A2 (en) 2024-05-22
HRP20250361T1 (hr) 2025-05-09
ES3020842T3 (en) 2025-05-23
MX2022003321A (es) 2022-05-06
JP2026009231A (ja) 2026-01-19
KR102467334B1 (ko) 2022-11-16
WO2021054796A1 (ko) 2021-03-25
EP4373094C0 (en) 2025-03-05
CN116527938A (zh) 2023-08-01
US20220248027A1 (en) 2022-08-04
JP7596448B2 (ja) 2024-12-09
CA3155276A1 (en) 2021-03-25
KR20220154260A (ko) 2022-11-21
SI4017007T1 (sl) 2024-08-30
JP2025019269A (ja) 2025-02-06
US20240007642A1 (en) 2024-01-04

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