AU2020278519B2 - Low-frequency non-separable transform signaling based on zero-out patterns for video coding - Google Patents

Low-frequency non-separable transform signaling based on zero-out patterns for video coding

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Publication number
AU2020278519B2
AU2020278519B2 AU2020278519A AU2020278519A AU2020278519B2 AU 2020278519 B2 AU2020278519 B2 AU 2020278519B2 AU 2020278519 A AU2020278519 A AU 2020278519A AU 2020278519 A AU2020278519 A AU 2020278519A AU 2020278519 B2 AU2020278519 B2 AU 2020278519B2
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block
transform
lfnst
index
zero
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AU2020278519A
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AU2020278519A1 (en
Inventor
Muhammed Zeyd Coban
Hilmi Enes EGILMEZ
Marta Karczewicz
Vadim Seregin
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/12—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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

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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
AU2020278519A 2019-05-17 2020-05-14 Low-frequency non-separable transform signaling based on zero-out patterns for video coding Active AU2020278519B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962849689P 2019-05-17 2019-05-17
US62/849,689 2019-05-17
US15/931,271 US11032572B2 (en) 2019-05-17 2020-05-13 Low-frequency non-separable transform signaling based on zero-out patterns for video coding
US15/931,271 2020-05-13
PCT/US2020/032866 WO2020236509A1 (en) 2019-05-17 2020-05-14 Low-frequency non-separable transform signaling based on zero-out patterns for video coding

Publications (2)

Publication Number Publication Date
AU2020278519A1 AU2020278519A1 (en) 2021-11-25
AU2020278519B2 true AU2020278519B2 (en) 2025-10-02

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AU2020278519A Active AU2020278519B2 (en) 2019-05-17 2020-05-14 Low-frequency non-separable transform signaling based on zero-out patterns for video coding

Country Status (14)

Country Link
US (1) US11032572B2 (https=)
EP (1) EP3970367A1 (https=)
JP (1) JP7629413B2 (https=)
KR (1) KR20220008265A (https=)
CN (1) CN113812157B (https=)
AR (1) AR118945A1 (https=)
AU (1) AU2020278519B2 (https=)
BR (1) BR112021022343A2 (https=)
CL (1) CL2021003004A1 (https=)
MY (1) MY210169A (https=)
PH (1) PH12021552685A1 (https=)
SA (1) SA521430807B1 (https=)
SG (1) SG11202111562TA (https=)
WO (1) WO2020236509A1 (https=)

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KR102938351B1 (ko) * 2019-07-12 2026-03-11 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN119583821A (zh) 2019-08-08 2025-03-07 Lg 电子株式会社 基于变换的图像编译方法及设备
US11677984B2 (en) 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
US11184617B2 (en) 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
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US11470353B2 (en) 2019-12-20 2022-10-11 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) with reduced zero-out in video coding
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US11582491B2 (en) 2020-03-27 2023-02-14 Qualcomm Incorporated Low-frequency non-separable transform processing in video coding
US11871010B2 (en) 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
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CN114666586B (zh) * 2022-03-14 2024-10-11 中山大学 一种基于变换块运动的时域感知编码方法
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Also Published As

Publication number Publication date
AU2020278519A1 (en) 2021-11-25
BR112021022343A2 (pt) 2022-01-04
EP3970367A1 (en) 2022-03-23
WO2020236509A1 (en) 2020-11-26
CN113812157A (zh) 2021-12-17
CN113812157B (zh) 2025-07-04
US11032572B2 (en) 2021-06-08
SG11202111562TA (en) 2021-12-30
KR20220008265A (ko) 2022-01-20
PH12021552685A1 (en) 2022-03-21
JP2022531913A (ja) 2022-07-12
SA521430807B1 (ar) 2024-11-28
US20200366937A1 (en) 2020-11-19
AR118945A1 (es) 2021-11-10
JP7629413B2 (ja) 2025-02-13
MY210169A (en) 2025-08-30
BR112021022343A8 (pt) 2021-12-28
CL2021003004A1 (es) 2022-08-19

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