GB201318079D0 - Method and apparatus for displacement vector component prediction in video coding and decoding - Google Patents

Method and apparatus for displacement vector component prediction in video coding and decoding

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Publication number
GB201318079D0
GB201318079D0 GB201318079A GB201318079A GB201318079D0 GB 201318079 D0 GB201318079 D0 GB 201318079D0 GB 201318079 A GB201318079 A GB 201318079A GB 201318079 A GB201318079 A GB 201318079A GB 201318079 D0 GB201318079 D0 GB 201318079D0
Authority
GB
United Kingdom
Prior art keywords
decoding
video coding
displacement vector
vector component
component prediction
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.)
Withdrawn
Application number
GB201318079A
Other versions
GB2519514A (en
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to GB1318079.9A priority Critical patent/GB2519514A/en
Publication of GB201318079D0 publication Critical patent/GB201318079D0/en
Priority to GB1404588.4A priority patent/GB2519616A/en
Priority to PCT/EP2014/071621 priority patent/WO2015052273A1/en
Publication of GB2519514A publication Critical patent/GB2519514A/en
Withdrawn legal-status Critical Current

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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
GB1318079.9A 2013-10-11 2013-10-11 Method and apparatus for displacement vector component prediction in video coding and decoding Withdrawn GB2519514A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1318079.9A GB2519514A (en) 2013-10-11 2013-10-11 Method and apparatus for displacement vector component prediction in video coding and decoding
GB1404588.4A GB2519616A (en) 2013-10-11 2014-03-14 Method and apparatus for displacement vector component prediction in video coding and decoding
PCT/EP2014/071621 WO2015052273A1 (en) 2013-10-11 2014-10-09 Method and apparatus for displacement vector component prediction in video coding and decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1318079.9A GB2519514A (en) 2013-10-11 2013-10-11 Method and apparatus for displacement vector component prediction in video coding and decoding

Publications (2)

Publication Number Publication Date
GB201318079D0 true GB201318079D0 (en) 2013-11-27
GB2519514A GB2519514A (en) 2015-04-29

Family

ID=49679950

Family Applications (2)

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GB1318079.9A Withdrawn GB2519514A (en) 2013-10-11 2013-10-11 Method and apparatus for displacement vector component prediction in video coding and decoding
GB1404588.4A Withdrawn GB2519616A (en) 2013-10-11 2014-03-14 Method and apparatus for displacement vector component prediction in video coding and decoding

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1404588.4A Withdrawn GB2519616A (en) 2013-10-11 2014-03-14 Method and apparatus for displacement vector component prediction in video coding and decoding

Country Status (2)

Country Link
GB (2) GB2519514A (en)
WO (1) WO2015052273A1 (en)

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US10412387B2 (en) 2014-08-22 2019-09-10 Qualcomm Incorporated Unified intra-block copy and inter-prediction
WO2016048834A1 (en) * 2014-09-26 2016-03-31 Vid Scale, Inc. Intra block copy coding with temporal block vector prediction
US9918105B2 (en) 2014-10-07 2018-03-13 Qualcomm Incorporated Intra BC and inter unification
JP6527949B2 (en) * 2015-01-29 2019-06-12 ヴィド スケール インコーポレイテッド Intra block copy search
WO2016192662A1 (en) * 2015-06-03 2016-12-08 Mediatek Inc. Method and apparatus for resource sharing between intra block copy mode and inter prediction mode in video coding systems
CN107852490B (en) * 2015-07-27 2021-01-26 联发科技股份有限公司 Video coding and decoding method and system
CN110662056B (en) 2018-06-29 2022-06-07 北京字节跳动网络技术有限公司 Which lookup table needs to be updated or not
TWI744661B (en) 2018-06-29 2021-11-01 大陸商北京字節跳動網絡技術有限公司 Number of motion candidates in a look up table to be checked according to mode
BR112020024142A2 (en) 2018-06-29 2021-03-02 Beijing Bytedance Network Technology Co., Ltd. method for video processing, apparatus for encoding video data, non-transitory computer-readable storage medium and recording medium
CN114885173A (en) 2018-06-29 2022-08-09 抖音视界(北京)有限公司 Checking order of motion candidates in LUT
KR20210025537A (en) 2018-06-29 2021-03-09 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Concept of sequentially storing previously coded motion information using one or more lookup tables and coding subsequent blocks using it
KR102648120B1 (en) 2018-06-29 2024-03-18 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Reset lookup table per slice/tile/LCU row
CN114845108A (en) 2018-06-29 2022-08-02 抖音视界(北京)有限公司 Updating the lookup table: FIFO, constrained FIFO
KR20240005239A (en) 2018-06-29 2024-01-11 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Interaction between lut and amvp
CN110662052B (en) 2018-06-29 2022-07-08 北京字节跳动网络技术有限公司 Updating conditions of a look-up table (LUT)
TWI731364B (en) 2018-07-02 2021-06-21 大陸商北京字節跳動網絡技術有限公司 Hmvp+ non-adjacent motion
GB2590310B (en) 2018-09-12 2023-03-22 Beijing Bytedance Network Tech Co Ltd Conditions for starting checking HMVP candidates depend on total number minus K
CN110933412B (en) * 2018-09-19 2023-07-25 北京字节跳动网络技术有限公司 History-based motion vector predictors for intra block copying
JP7231729B2 (en) * 2018-11-13 2023-03-01 北京字節跳動網絡技術有限公司 History-Based Motion Candidate List Construction for Intra-Block Copy
KR20240010576A (en) 2019-01-10 2024-01-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Invoke of lut updating
WO2020143824A1 (en) 2019-01-13 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Interaction between lut and shared merge list
WO2020147773A1 (en) 2019-01-16 2020-07-23 Beijing Bytedance Network Technology Co., Ltd. Inserting order of motion candidates in lut
WO2020164629A1 (en) * 2019-02-17 2020-08-20 Beijing Bytedance Network Technology Co., Ltd. Restriction of applicability for intra block copy mode
CN113615193A (en) 2019-03-22 2021-11-05 北京字节跳动网络技术有限公司 Merge list construction and interaction between other tools
CN112437304B (en) * 2019-08-26 2022-06-03 腾讯科技（深圳）有限公司 Video decoding method, encoding method, device, equipment and readable storage medium
US11595678B2 (en) * 2020-06-11 2023-02-28 Tencent America LLC Spatial displacement vector prediction for intra picture block and string copying

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013012905A (en) * 2011-06-29 2013-01-17 Sony Corp Image processing device and method
US10015515B2 (en) * 2013-06-21 2018-07-03 Qualcomm Incorporated Intra prediction from a predictive block

Also Published As

Publication number Publication date
GB201404588D0 (en) 2014-04-30
WO2015052273A1 (en) 2015-04-16
GB2519514A (en) 2015-04-29
GB2519616A (en) 2015-04-29

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