CN115361552B - 解码方法、编码方法和相关装置 - Google Patents

解码方法、编码方法和相关装置

Info

Publication number
CN115361552B
CN115361552B CN202210980769.9A CN202210980769A CN115361552B CN 115361552 B CN115361552 B CN 115361552B CN 202210980769 A CN202210980769 A CN 202210980769A CN 115361552 B CN115361552 B CN 115361552B
Authority
CN
China
Prior art keywords
core matrix
transform core
video
bit
transform
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.)
Active
Application number
CN202210980769.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN115361552A (zh
Inventor
赵欣
李翔
刘杉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=68987565&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN115361552(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CN115361552A publication Critical patent/CN115361552A/zh
Application granted granted Critical
Publication of CN115361552B publication Critical patent/CN115361552B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/103—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
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory arrangements
    • H04N19/426—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 characterised by memory arrangements using memory downsizing methods
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence 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
    • H04N19/61—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
    • H04N19/60—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]

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)
CN202210980769.9A 2018-06-29 2019-06-03 解码方法、编码方法和相关装置 Active CN115361552B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201862692658P 2018-06-29 2018-06-29
US62/692,658 2018-06-29
US16/225,982 2018-12-19
US16/225,982 US10687081B2 (en) 2018-06-29 2018-12-19 Method, apparatus and medium for decoding or encoding
CN201980013988.6A CN111955010B (zh) 2018-06-29 2019-06-03 解码或编码的方法、装置和介质
PCT/US2019/035118 WO2020005462A1 (en) 2018-06-29 2019-06-03 Method, apparatus and medium for decoding or encoding

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201980013988.6A Division CN111955010B (zh) 2018-06-29 2019-06-03 解码或编码的方法、装置和介质

Publications (2)

Publication Number Publication Date
CN115361552A CN115361552A (zh) 2022-11-18
CN115361552B true CN115361552B (zh) 2026-04-14

Family

ID=68987565

Family Applications (4)

Application Number Title Priority Date Filing Date
CN202210980769.9A Active CN115361552B (zh) 2018-06-29 2019-06-03 解码方法、编码方法和相关装置
CN202210982081.4A Active CN115361553B (zh) 2018-06-29 2019-06-03 解码方法、编码方法和相关装置
CN202210979396.3A Active CN115361551B (zh) 2018-06-29 2019-06-03 解码方法、编码方法和相关装置
CN201980013988.6A Active CN111955010B (zh) 2018-06-29 2019-06-03 解码或编码的方法、装置和介质

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN202210982081.4A Active CN115361553B (zh) 2018-06-29 2019-06-03 解码方法、编码方法和相关装置
CN202210979396.3A Active CN115361551B (zh) 2018-06-29 2019-06-03 解码方法、编码方法和相关装置
CN201980013988.6A Active CN111955010B (zh) 2018-06-29 2019-06-03 解码或编码的方法、装置和介质

Country Status (6)

Country Link
US (5) US10687081B2 (https=)
EP (1) EP3815378A4 (https=)
JP (5) JP7068481B2 (https=)
KR (1) KR102384691B1 (https=)
CN (4) CN115361552B (https=)
WO (1) WO2020005462A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10687081B2 (en) * 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
EP3836543A1 (en) * 2018-09-02 2021-06-16 Lg Electronics Inc. Image coding method based on multiple transform selection and device therefor
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
US11412258B2 (en) * 2020-02-12 2022-08-09 Tencent America LLC Line graph transforms (LGTs) using 8-bit and 10-bit cores
US11405647B2 (en) * 2020-02-18 2022-08-02 Tencent America LLC Primary transforms using 8-bit and 10-bit cores

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9081733B2 (en) * 2009-06-24 2015-07-14 Qualcomm Incorporated 16-point transform for media data coding
US9378185B2 (en) * 2010-09-30 2016-06-28 Texas Instruments Incorporated Transform and quantization architecture for video coding and decoding
PT3370420T (pt) * 2010-12-21 2019-10-31 Ntt Docomo Inc Codificação com intra-predição melhorada utilizando representações planares
WO2012115487A2 (ko) * 2011-02-25 2012-08-30 삼성전자 주식회사 영상의 변환 및 역변환 방법, 및 이를 이용한 영상의 부호화 및 복호화 장치
US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
US20160021369A1 (en) * 2014-07-15 2016-01-21 Shreyas HAMPALI Video coding including a stage-interdependent multi-stage butterfly integer transform
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US11233998B2 (en) * 2015-05-29 2022-01-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
JP6555814B2 (ja) * 2015-08-20 2019-08-07 日本放送協会 直交変換処理装置、逆直交変換処理装置、符号化装置、復号装置、及びコンピュータプログラム
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
CN107925763B (zh) * 2015-12-23 2020-01-10 华为技术有限公司 等级分割中的块级别变换选择和隐式信令的编码变换方法和设备
CN109417620B (zh) * 2016-03-25 2021-04-27 松下知识产权经营株式会社 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置
US10972733B2 (en) * 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US10880564B2 (en) * 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode
US20180288439A1 (en) * 2017-03-31 2018-10-04 Mediatek Inc. Multiple Transform Prediction
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
US10687081B2 (en) * 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding

Also Published As

Publication number Publication date
KR20200118880A (ko) 2020-10-16
WO2020005462A1 (en) 2020-01-02
JP2022105120A (ja) 2022-07-12
US20210289231A1 (en) 2021-09-16
JP2025072600A (ja) 2025-05-09
JP7275354B2 (ja) 2023-05-17
US20240163481A1 (en) 2024-05-16
CN115361552A (zh) 2022-11-18
CN115361551A (zh) 2022-11-18
CN115361551B (zh) 2026-04-14
US10687081B2 (en) 2020-06-16
US20230018357A1 (en) 2023-01-19
JP7463597B2 (ja) 2024-04-08
EP3815378A4 (en) 2022-03-23
JP7068481B2 (ja) 2022-05-16
KR102384691B9 (ko) 2023-05-16
US11503338B2 (en) 2022-11-15
US20200267413A1 (en) 2020-08-20
CN111955010B (zh) 2022-07-05
US11044494B2 (en) 2021-06-22
JP2021515468A (ja) 2021-06-17
JP2024081723A (ja) 2024-06-18
CN115361553B (zh) 2026-04-14
CN111955010A (zh) 2020-11-17
JP7635447B2 (ja) 2025-02-25
JP2023099178A (ja) 2023-07-11
CN115361553A (zh) 2022-11-18
US11930214B2 (en) 2024-03-12
KR102384691B1 (ko) 2022-04-11
EP3815378A1 (en) 2021-05-05
US20200007892A1 (en) 2020-01-02

Similar Documents

Publication Publication Date Title
EP3756353B1 (en) Method, apparatus and medium for decoding or encoding
CN115361552B (zh) 解码方法、编码方法和相关装置
JP2023099178A5 (https=)
US12137249B2 (en) Method, apparatus and medium for decoding or encoding
JP7271792B2 (ja) 復号方法、装置およびコンピュータプログラム
HK40026180A (en) Method and apparatus for decoding or encoding, computer device, and storage medium
HK40086558A (zh) 有效应用lgt的方法
HK40052658B (zh) 视频编解码方法、装置和存储介质

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant