CA3020265A1 - Merge candidates for motion vector prediction for video coding - Google Patents

Merge candidates for motion vector prediction for video coding Download PDF

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Publication number
CA3020265A1
CA3020265A1 CA3020265A CA3020265A CA3020265A1 CA 3020265 A1 CA3020265 A1 CA 3020265A1 CA 3020265 A CA3020265 A CA 3020265A CA 3020265 A CA3020265 A CA 3020265A CA 3020265 A1 CA3020265 A1 CA 3020265A1
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Prior art keywords
motion vector
candidate list
motion
vector candidate
candidates
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CA3020265A
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English (en)
French (fr)
Inventor
Sungwon Lee
Wei-Jung Chien
Li Zhang
Marta Karczewicz
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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
    • H04N19/50—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/169—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
    • 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

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  • 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)
CA3020265A 2016-05-13 2017-05-11 Merge candidates for motion vector prediction for video coding Pending CA3020265A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662336449P 2016-05-13 2016-05-13
US62/336,449 2016-05-13
US15/591,813 US10560718B2 (en) 2016-05-13 2017-05-10 Merge candidates for motion vector prediction for video coding
US15/591,813 2017-05-10
PCT/US2017/032177 WO2017197126A1 (en) 2016-05-13 2017-05-11 Merge candidates for motion vector prediction for video coding

Publications (1)

Publication Number Publication Date
CA3020265A1 true CA3020265A1 (en) 2017-11-16

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CA3020265A Pending CA3020265A1 (en) 2016-05-13 2017-05-11 Merge candidates for motion vector prediction for video coding

Country Status (8)

Country Link
US (2) US10560718B2 (enExample)
EP (2) EP4102839A1 (enExample)
JP (4) JP7229774B2 (enExample)
KR (2) KR102404598B1 (enExample)
CN (2) CN109076236B (enExample)
BR (1) BR112018073324A2 (enExample)
CA (1) CA3020265A1 (enExample)
WO (1) WO2017197126A1 (enExample)

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US11895318B2 (en) 2018-06-29 2024-02-06 Beijing Bytedance Network Technology Co., Ltd Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks
US11909989B2 (en) 2018-06-29 2024-02-20 Beijing Bytedance Network Technology Co., Ltd Number of motion candidates in a look up table to be checked according to mode
US11909951B2 (en) 2019-01-13 2024-02-20 Beijing Bytedance Network Technology Co., Ltd Interaction between lut and shared merge list
US11956464B2 (en) 2019-01-16 2024-04-09 Beijing Bytedance Network Technology Co., Ltd Inserting order of motion candidates in LUT
US11973971B2 (en) 2018-06-29 2024-04-30 Beijing Bytedance Network Technology Co., Ltd Conditions for updating LUTs
US12034914B2 (en) 2018-06-29 2024-07-09 Beijing Bytedance Network Technology Co., Ltd Checking order of motion candidates in lut
US12368880B2 (en) 2019-01-10 2025-07-22 Beijing Bytedance Network Technology Co., Ltd. Invoke of LUT updating
US12401820B2 (en) 2019-03-22 2025-08-26 Beijing Bytedance Network Technology Co., Ltd. Interaction between merge list construction and other tools
US12549756B2 (en) 2018-06-29 2026-02-10 Beijing Bytedance Network Technology Co., Ltd. Partial/full pruning when adding a HMVP candidate to merge/AMVP

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US10951913B2 (en) 2021-03-16
US10560718B2 (en) 2020-02-11
EP3456050A1 (en) 2019-03-20
CN109076236A (zh) 2018-12-21
KR20210122887A (ko) 2021-10-12
BR112018073324A2 (pt) 2019-02-26
KR102404598B1 (ko) 2022-06-02
JP7229774B2 (ja) 2023-02-28
JP2025138658A (ja) 2025-09-25
JP2019515587A (ja) 2019-06-06
US20170332099A1 (en) 2017-11-16
EP4102839A1 (en) 2022-12-14
CN109076236B (zh) 2022-09-02
CN115633167A (zh) 2023-01-20
KR20190008214A (ko) 2019-01-23
WO2017197126A1 (en) 2017-11-16

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