JP2010016453A - 画像符号化装置および方法、画像復号装置および方法、並びにプログラム - Google Patents

画像符号化装置および方法、画像復号装置および方法、並びにプログラム Download PDF

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JP2010016453A
JP2010016453A JP2008172269A JP2008172269A JP2010016453A JP 2010016453 A JP2010016453 A JP 2010016453A JP 2008172269 A JP2008172269 A JP 2008172269A JP 2008172269 A JP2008172269 A JP 2008172269A JP 2010016453 A JP2010016453 A JP 2010016453A
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motion vector
image
prediction
target block
motion
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JP2010016453A5 (enExample
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Kazufumi Sato
数史 佐藤
Yoichi Yagasaki
陽一 矢ケ崎
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Sony Corp
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Sony Corp
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Priority to JP2008172269A priority Critical patent/JP2010016453A/ja
Priority to CN2009801253546A priority patent/CN102077596A/zh
Priority to US13/001,373 priority patent/US20110103486A1/en
Priority to PCT/JP2009/062026 priority patent/WO2010001916A1/ja
Publication of JP2010016453A publication Critical patent/JP2010016453A/ja
Publication of JP2010016453A5 publication Critical patent/JP2010016453A5/ja
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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
    • H04N19/10—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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2008172269A 2008-07-01 2008-07-01 画像符号化装置および方法、画像復号装置および方法、並びにプログラム Pending JP2010016453A (ja)

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JP2008172269A JP2010016453A (ja) 2008-07-01 2008-07-01 画像符号化装置および方法、画像復号装置および方法、並びにプログラム
CN2009801253546A CN102077596A (zh) 2008-07-01 2009-07-01 图像处理设备和图像处理方法
US13/001,373 US20110103486A1 (en) 2008-07-01 2009-07-01 Image processing apparatus and image processing method
PCT/JP2009/062026 WO2010001916A1 (ja) 2008-07-01 2009-07-01 画像処理装置および方法

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JP2008172269A JP2010016453A (ja) 2008-07-01 2008-07-01 画像符号化装置および方法、画像復号装置および方法、並びにプログラム

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JP2011166206A (ja) * 2010-02-04 2011-08-25 Nippon Telegr & Teleph Corp <Ntt> 動きベクトル予測方法，動きベクトル予測装置および動きベクトル予測プログラム
WO2011121942A1 (ja) * 2010-03-31 2011-10-06 株式会社Ｊｖｃケンウッド 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、ならびに動画像復号装置、動画像復号方法及び動画像復号プログラム
JP2011217104A (ja) * 2010-03-31 2011-10-27 Jvc Kenwood Corp 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム
JP2011217105A (ja) * 2010-03-31 2011-10-27 Jvc Kenwood Corp 動画像復号装置、動画像復号方法及び動画像復号プログラム
CN102812706A (zh) * 2010-03-16 2012-12-05 汤姆逊许可证公司 用于视频编码和解码的隐式自适应运动向量预测值选择的方法和装置
JP2013543713A (ja) * 2010-10-13 2013-12-05 クゥアルコム・インコーポレイテッド ビデオ符号化のための適応動きベクトル解像度信号伝達
US9237355B2 (en) 2010-02-19 2016-01-12 Qualcomm Incorporated Adaptive motion resolution for video coding
US9729897B2 (en) 2010-01-18 2017-08-08 Hfi Innovation Inc. Motion prediction method

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CN102300088B (zh) * 2010-06-25 2013-11-06 财团法人工业技术研究院 画面内预测模式最佳化方法与图像压缩方法以及装置
JP2012151576A (ja) * 2011-01-18 2012-08-09 Hitachi Ltd 画像符号化方法、画像符号化装置、画像復号方法及び画像復号装置
KR101951696B1 (ko) * 2011-10-17 2019-02-25 주식회사 케이티 화면 내 예측 모드에 기초한 적응적인 변환 방법 및 이러한 방법을 사용하는 장치
TWI523497B (zh) * 2011-11-10 2016-02-21 Sony Corp Image processing apparatus and method
DK2850829T3 (da) 2012-05-14 2022-03-07 V Nova Int Ltd Dekomponering af residualen data under kodning, afkodning og rekonstruktion af signaler i et gradueret hierarki
CN109905710B (zh) * 2012-06-12 2021-12-21 太阳专利托管公司 动态图像编码方法及装置、动态图像解码方法及装置
US9749642B2 (en) 2014-01-08 2017-08-29 Microsoft Technology Licensing, Llc Selection of motion vector precision
US9942560B2 (en) 2014-01-08 2018-04-10 Microsoft Technology Licensing, Llc Encoding screen capture data
US9774881B2 (en) 2014-01-08 2017-09-26 Microsoft Technology Licensing, Llc Representing motion vectors in an encoded bitstream
CN108235007B (zh) * 2016-12-12 2023-06-27 上海天荷电子信息有限公司 各模式使用不同精度同种编码参数的数据压缩方法和装置
KR102772028B1 (ko) 2017-09-15 2025-02-26 소니그룹주식회사 화상 처리 장치 및 방법
CN115842912A (zh) * 2018-08-04 2023-03-24 抖音视界有限公司 不同解码器侧运动矢量推导模式之间的交互
CN111010569B (zh) 2018-10-06 2023-02-28 北京字节跳动网络技术有限公司 Bio中的时间梯度计算的改善
CN115280769A (zh) * 2020-03-12 2022-11-01 交互数字Vc控股法国公司 用于视频编码和解码的方法和设备
CN113873244B (zh) * 2020-06-30 2023-10-20 华为技术有限公司 一种系数编解码方法和系数编解码装置

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US9729897B2 (en) 2010-01-18 2017-08-08 Hfi Innovation Inc. Motion prediction method
JP2011166206A (ja) * 2010-02-04 2011-08-25 Nippon Telegr & Teleph Corp <Ntt> 動きベクトル予測方法，動きベクトル予測装置および動きベクトル予測プログラム
JP2011166207A (ja) * 2010-02-04 2011-08-25 Nippon Telegr & Teleph Corp <Ntt> 動きベクトル予測方法，動きベクトル予測装置および動きベクトル予測プログラム
US9237355B2 (en) 2010-02-19 2016-01-12 Qualcomm Incorporated Adaptive motion resolution for video coding
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CN102812706A (zh) * 2010-03-16 2012-12-05 汤姆逊许可证公司 用于视频编码和解码的隐式自适应运动向量预测值选择的方法和装置
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JP2011217105A (ja) * 2010-03-31 2011-10-27 Jvc Kenwood Corp 動画像復号装置、動画像復号方法及び動画像復号プログラム
WO2011121942A1 (ja) * 2010-03-31 2011-10-06 株式会社Ｊｖｃケンウッド 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、ならびに動画像復号装置、動画像復号方法及び動画像復号プログラム
JP2013543713A (ja) * 2010-10-13 2013-12-05 クゥアルコム・インコーポレイテッド ビデオ符号化のための適応動きベクトル解像度信号伝達
US10327008B2 (en) 2010-10-13 2019-06-18 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding

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