PL3764649T3 - Przetwarzanie sygnału wideo z wykorzystaniem skróconego przekształcenia wtórnego - Google Patents

Przetwarzanie sygnału wideo z wykorzystaniem skróconego przekształcenia wtórnego

Info

Publication number
PL3764649T3
PL3764649T3 PL19780916.3T PL19780916T PL3764649T3 PL 3764649 T3 PL3764649 T3 PL 3764649T3 PL 19780916 T PL19780916 T PL 19780916T PL 3764649 T3 PL3764649 T3 PL 3764649T3
Authority
PL
Poland
Prior art keywords
video signal
processing video
secondary transform
reduced secondary
reduced
Prior art date
Application number
PL19780916.3T
Other languages
English (en)
Inventor
Moonmo Koo
Mehdi SALEHIFAR
Seunghwan Kim
Jaehyun Lim
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 PL3764649T3 publication Critical patent/PL3764649T3/pl

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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • 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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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)
PL19780916.3T 2018-04-01 2019-04-01 Przetwarzanie sygnału wideo z wykorzystaniem skróconego przekształcenia wtórnego PL3764649T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862651251P 2018-04-01 2018-04-01
PCT/KR2019/003812 WO2019194504A1 (ko) 2018-04-01 2019-04-01 축소된 2차 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치

Publications (1)

Publication Number Publication Date
PL3764649T3 true PL3764649T3 (pl) 2024-01-22

Family

ID=68101097

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19780916.3T PL3764649T3 (pl) 2018-04-01 2019-04-01 Przetwarzanie sygnału wideo z wykorzystaniem skróconego przekształcenia wtórnego

Country Status (12)

Country Link
US (3) US11616985B2 (pl)
EP (2) EP3764649B1 (pl)
JP (4) JP7301951B2 (pl)
KR (4) KR102465119B1 (pl)
CN (3) CN112166613B (pl)
ES (1) ES2961923T3 (pl)
FI (1) FI3764649T3 (pl)
HR (1) HRP20231341T1 (pl)
HU (1) HUE063982T2 (pl)
PL (1) PL3764649T3 (pl)
SI (1) SI3764649T1 (pl)
WO (1) WO2019194504A1 (pl)

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CN118632034A (zh) 2019-08-17 2024-09-10 北京字节跳动网络技术有限公司 为视频中的缩减二次变换的边信息的上下文建模
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Also Published As

Publication number Publication date
CN112166613B (zh) 2022-10-21
KR20240017106A (ko) 2024-02-06
JP7769157B2 (ja) 2025-11-12
US11968398B2 (en) 2024-04-23
KR102846149B1 (ko) 2025-08-12
JP7630558B2 (ja) 2025-02-17
KR102465119B1 (ko) 2022-11-09
SI3764649T1 (sl) 2023-12-29
CN115604468B (zh) 2025-09-05
KR102631119B1 (ko) 2024-01-29
ES2961923T3 (es) 2024-03-14
HRP20231341T1 (hr) 2024-02-16
US11616985B2 (en) 2023-03-28
FI3764649T3 (fi) 2023-10-19
JP2026009235A (ja) 2026-01-19
EP3764649B1 (en) 2023-09-27
US20240267563A1 (en) 2024-08-08
CN115604470A (zh) 2023-01-13
JP7301951B2 (ja) 2023-07-03
JP2025069352A (ja) 2025-04-30
US20230199220A1 (en) 2023-06-22
EP3764649A1 (en) 2021-01-13
WO2019194504A1 (ko) 2019-10-10
EP3764649A4 (en) 2021-05-12
EP4250731A3 (en) 2023-12-06
KR20220153118A (ko) 2022-11-17
CN115604468A (zh) 2023-01-13
CN115604470B (zh) 2025-09-05
KR20250125443A (ko) 2025-08-21
HUE063982T2 (hu) 2024-02-28
JP2023120355A (ja) 2023-08-29
EP4250731A2 (en) 2023-09-27
JP2021517796A (ja) 2021-07-26
US20210014534A1 (en) 2021-01-14
KR20200123806A (ko) 2020-10-30
CN112166613A (zh) 2021-01-01

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