PH12021552685A1 - 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

Info

Publication number
PH12021552685A1
PH12021552685A1 PH1/2021/552685A PH12021552685A PH12021552685A1 PH 12021552685 A1 PH12021552685 A1 PH 12021552685A1 PH 12021552685 A PH12021552685 A PH 12021552685A PH 12021552685 A1 PH12021552685 A1 PH 12021552685A1
Authority
PH
Philippines
Prior art keywords
zero
transform block
region
low frequency
video coding
Prior art date
Application number
PH1/2021/552685A
Other languages
English (en)
Inventor
Muhammed Zeyd Coban
Hilmi Enes Egilmez
Marta Karczewicz
Vadim Seregin
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of PH12021552685A1 publication Critical patent/PH12021552685A1/en

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
    • H04N19/12—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)
PH1/2021/552685A 2019-05-17 2020-05-14 Low frequency non-separable transform signaling based on zero-out patterns for video coding PH12021552685A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962849689P 2019-05-17 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
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 (1)

Publication Number Publication Date
PH12021552685A1 true PH12021552685A1 (en) 2022-03-21

Family

ID=73230877

Family Applications (1)

Application Number Title Priority Date Filing Date
PH1/2021/552685A PH12021552685A1 (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=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102591095B1 (ko) * 2017-09-28 2023-10-19 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
CA3105072A1 (en) 2018-06-29 2020-01-02 Vid Scale, Inc. Adaptive control point selection for affine motion model based video coding
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
US11695960B2 (en) 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
CN119484834A (zh) * 2019-06-19 2025-02-18 Lg 电子株式会社 图像编译中指示变换核集的信息的信令
CN119299684A (zh) * 2019-07-12 2025-01-10 Lg 电子株式会社 基于变换的图像编译方法及其设备
CN119854492A (zh) * 2019-07-12 2025-04-18 Lg 电子株式会社 基于变换的图像编译方法及其设备
CN119653107A (zh) * 2019-08-08 2025-03-18 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
KR20220050202A (ko) * 2019-10-04 2022-04-22 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US11470353B2 (en) 2019-12-20 2022-10-11 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) with reduced zero-out in video coding
US11457229B2 (en) 2019-12-23 2022-09-27 Qualcomm Incorporated LFNST signaling for chroma based on chroma transform skip
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
US11924471B2 (en) 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
WO2022265420A1 (ko) * 2021-06-16 2022-12-22 엘지전자 주식회사 영상 코딩 방법 및 그 장치
KR20240097825A (ko) * 2021-10-25 2024-06-27 엘지전자 주식회사 비분리 1차 변환 설계 방법 및 장치
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
US20240129532A1 (en) * 2022-10-13 2024-04-18 Qualcomm Incorporated Transforming video data using non-separable primary transforms
CN121002860A (zh) * 2023-04-28 2025-11-21 联发科技股份有限公司 熵编解码变换块
WO2025073241A1 (en) * 2023-10-06 2025-04-10 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Systems and methods for non-separable transforms for inter prediction in video coding
WO2025214446A1 (en) * 2024-04-10 2025-10-16 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
US9538175B2 (en) 2012-09-26 2017-01-03 Qualcomm Incorporated Context derivation for context-adaptive, multi-level significance coding
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10491922B2 (en) 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10448053B2 (en) 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10349085B2 (en) 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
EP3453181B1 (en) 2016-05-04 2025-10-29 Sharp Kabushiki Kaisha Methods and apparatuses for coding transform data
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US10855997B2 (en) 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
US10863199B2 (en) 2018-03-26 2020-12-08 Qualcomm Incorporated Minimization of transform memory and latency via parallel factorizations
TWI731322B (zh) 2018-03-29 2021-06-21 弗勞恩霍夫爾協會 變換組
US10986340B2 (en) 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
ES3030533T3 (en) 2018-06-03 2025-06-30 Lg Electronics Inc Method and device for processing video signal by using reduced transform
US11025909B2 (en) * 2019-03-21 2021-06-01 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
US11032572B2 (en) 2021-06-08
KR20220008265A (ko) 2022-01-20
SA521430807B1 (ar) 2024-11-28
BR112021022343A2 (pt) 2022-01-04
BR112021022343A8 (pt) 2021-12-28
AU2020278519A1 (en) 2021-11-25
AR118945A1 (es) 2021-11-10
AU2020278519B2 (en) 2025-10-02
SG11202111562TA (en) 2021-12-30
MY210169A (en) 2025-08-30
CN113812157A (zh) 2021-12-17
CN113812157B (zh) 2025-07-04
CL2021003004A1 (es) 2022-08-19
JP2022531913A (ja) 2022-07-12
US20200366937A1 (en) 2020-11-19
EP3970367A1 (en) 2022-03-23
WO2020236509A1 (en) 2020-11-26
JP7629413B2 (ja) 2025-02-13

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