JP7061680B2 - ビデオ符号化において縮減された前のラインバッファを使用するインター予測の方法及び装置 - Google Patents

ビデオ符号化において縮減された前のラインバッファを使用するインター予測の方法及び装置 Download PDF

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JP7061680B2
JP7061680B2 JP2020546138A JP2020546138A JP7061680B2 JP 7061680 B2 JP7061680 B2 JP 7061680B2 JP 2020546138 A JP2020546138 A JP 2020546138A JP 2020546138 A JP2020546138 A JP 2020546138A JP 7061680 B2 JP7061680 B2 JP 7061680B2
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motion vector
video
data
current
encoded
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JP2021517394A (ja
JP2021517394A5 (enExample
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イエ，ジン
リ，シアン
リィウ，シャン
シュウ，シアオジョォン
リ，グォイチュン
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Tencent America LLC
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Tencent America LLC
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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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive 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
    • H04N19/10—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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020546138A 2018-06-01 2019-05-22 ビデオ符号化において縮減された前のラインバッファを使用するインター予測の方法及び装置 Active JP7061680B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862679580P 2018-06-01 2018-06-01
US62/679,580 2018-06-01
US16/233,953 US10798407B2 (en) 2018-06-01 2018-12-27 Methods and apparatus for inter prediction with a reduced above line buffer in video coding
US16/233,953 2018-12-27
PCT/US2019/033445 WO2019231778A1 (en) 2018-06-01 2019-05-22 Methods and apparatus for inter prediction with a reduced above line buffer in video coding

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JP2021517394A JP2021517394A (ja) 2021-07-15
JP2021517394A5 JP2021517394A5 (enExample) 2021-08-26
JP7061680B2 true JP7061680B2 (ja) 2022-04-28

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US (1) US10798407B2 (enExample)
EP (1) EP3804326A4 (enExample)
JP (1) JP7061680B2 (enExample)
KR (1) KR102496419B1 (enExample)
CN (1) CN112470475B (enExample)
WO (1) WO2019231778A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3981157A4 (en) * 2019-07-11 2022-07-06 Huawei Technologies Co., Ltd. Motion field storage optimization for the line buffer

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US20140169472A1 (en) 2012-12-19 2014-06-19 Mikhail Fludkov Motion estimation engine for video encoding
WO2018012886A1 (ko) 2016-07-12 2018-01-18 한국전자통신연구원 영상 부호화/복호화 방법 및 이를 위한 기록 매체
WO2018231700A1 (en) 2017-06-13 2018-12-20 Qualcomm Incorporated Motion vector prediction

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US9100649B2 (en) * 2010-02-10 2015-08-04 Lg Electronics Inc. Method and apparatus for processing a video signal
WO2012174973A1 (en) 2011-06-20 2012-12-27 Mediatek Inc. Method and apparatus for line buffers reduction
US9838684B2 (en) * 2012-04-11 2017-12-05 Qualcomm Incorporated Wavefront parallel processing for video coding
US9854268B2 (en) 2012-10-03 2017-12-26 Hfi Innovation Inc. Method and apparatus of motion data buffer reduction for three-dimensional video coding
US10341638B2 (en) * 2013-01-07 2019-07-02 Mediatek Inc. Method and apparatus of depth to disparity vector conversion for three-dimensional video coding
KR102142938B1 (ko) * 2015-09-25 2020-08-10 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 모션 보상을 위한 장치 및 방법
EP4614977A3 (en) * 2016-03-15 2025-12-03 HFI Innovation Inc. Method and apparatus of video coding with affine motion compensation
JP6740549B2 (ja) * 2016-03-16 2020-08-19 日本電気株式会社 動画像符号化装置、方法、プログラム、および動画像符号化システム
US10873755B2 (en) * 2016-06-09 2020-12-22 Intel Corporation Method and system of motion estimation with neighbor block pattern for video coding
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding

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US20140169472A1 (en) 2012-12-19 2014-06-19 Mikhail Fludkov Motion estimation engine for video encoding
WO2018012886A1 (ko) 2016-07-12 2018-01-18 한국전자통신연구원 영상 부호화/복호화 방법 및 이를 위한 기록 매체
WO2018231700A1 (en) 2017-06-13 2018-12-20 Qualcomm Incorporated Motion vector prediction

Non-Patent Citations (6)

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Title
Jicheng An, Na Zhang, Xu Chen, and Jianhua Zheng，Enhanced Merge Mode based on JEM7.0，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0059-v1，10th Meeting: San Diego, US，2018年04月，pp.1-14
Jing Ye, Xiang Li, and Shan Liu，CE4: Additional merge candidates (Test 4.2.13)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-K0286，11th Meeting: Ljubljana, SI，2018年07月，pp.1-9
Jing Ye, Xiang Li, and Shan Liu，Merge mode modification on top of Tencent’s software in response to CfP，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0058-v1，10th Meeting: San Diego, US，2018年04月，pp.1-4
Jing Ye, Xiang Li, Shan Liu, Xiaozhong Xu, and Guichun Li，CE4-related: Reduce line buffer for additional merge candidates，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-K0297，11th Meeting: Ljubljana, SI，2018年07月，pp.1-7
Xiang Li et al.，Description of SDR video coding technology proposal by Tencent，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0029-v1，10th Meeting: San Diego, US，2018年04月，pp.8-9
Yi-Wen Chen et al.，Description of SDR, HDR and 360° video coding technology proposal by Qualcomm and Technicolor - low and high complexity versions，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0021，10th Meeting: San Diego, US，2018年04月，pp.15-19

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Publication number Publication date
KR102496419B1 (ko) 2023-02-06
CN112470475A (zh) 2021-03-09
EP3804326A1 (en) 2021-04-14
KR20200125743A (ko) 2020-11-04
CN112470475B (zh) 2022-11-08
JP2021517394A (ja) 2021-07-15
WO2019231778A1 (en) 2019-12-05
US20190373279A1 (en) 2019-12-05
EP3804326A4 (en) 2022-03-16
US10798407B2 (en) 2020-10-06

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