JP6908797B1 - 高効率、低遅延ビデオコーディングのためのモーション適応型イントラリフレッシュ - Google Patents
高効率、低遅延ビデオコーディングのためのモーション適応型イントラリフレッシュ Download PDFInfo
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Abstract
Description
本願は、2016年4月29日に出願された米国仮特許出願第62/329,602号、及び、2016年6月21日に出願された米国特許出願第15/188,067号に基づく優先権を主張し、その内容の全体が本明細書に参考として援用される。
Claims (6)
- ビデオ符号化システムにおいて、
ピクチャの第1セットに関連するグローバルモーション推定値が特定の閾値を超えないと決定したことに応じて、前記ピクチャのリフレッシュ領域の位置が前記ピクチャの第1セット内の前のピクチャのリフレッシュ領域の位置に対して空間的にシフトするように、前記第1セット内の各ピクチャをイントラリフレッシュ符号化することと、
ピクチャの第2セットに関連するグローバルモーション推定値が前記特定の閾値を超えていると決定したことに応じて、前記第2セット内の各ピクチャのリフレッシュ領域の位置が、前記第2セットに関連するグローバルモーション推定値の方向にあるピクチャエッジに隣接して固定されるように、前記第2セット内の各ピクチャをイントラリフレッシュ符号化することと、を含む、
方法。 - 前記ピクチャの第1セットのリフレッシュ領域が同じ幅を有し、
前記ピクチャの第2セットに関連する前記グローバルモーション推定値が複数のグローバルモーション推定値を含み、各グローバルモーション推定値は、前記第2セットの対応するピクチャに関連しており、
前記第2セットのピクチャのリフレッシュ領域は、そのピクチャに関連する前記グローバルモーション推定値に基づいている、
請求項1の方法。 - 前記第1セット及び前記第2セットのピクチャのイントラリフレッシュ符号化された表現を含む符号化ビットストリームを、ヘッドマウントディスプレイ(HMD)装置(304)に送信すること、をさらに含む、
請求項1の方法。 - 前記HMD装置において、レンダリングされたピクチャのセットを生成するために、前記符号化ビットストリームを復号化することと、
前記HMD装置のディスプレイパネルにおいて、前記レンダリングされたピクチャのセットを表示することと、をさらに含む、
請求項3の方法。 - 第1時間での前記HMD装置のモーションに基づいて、前記ピクチャの第1セットに関連する前記グローバルモーション推定値を決定することと、
第2時間での前記HMD装置のモーションに基づいて、前記ピクチャの第2セットに関連する前記グローバルモーション推定値を決定することと、をさらに含む、
請求項4の方法。 - 前記第1セットのピクチャのコンテンツのモーション分析に基づいて、前記第1セットに関連する前記グローバルモーション推定値を決定することと、
前記第2セットのピクチャのコンテンツのモーション分析に基づいて、前記第2セットに関連する前記グローバルモーション推定値を決定することと、をさらに含む、
請求項1の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201662329602P | 2016-04-29 | 2016-04-29 | |
US62/329,602 | 2016-04-29 | ||
US15/188,067 | 2016-06-21 | ||
US15/188,067 US10652572B2 (en) | 2016-04-29 | 2016-06-21 | Motion-adaptive intra-refresh for high-efficiency, low-delay video coding |
JP2018555753A JP6867406B2 (ja) | 2016-04-29 | 2017-04-28 | 高効率、低遅延ビデオコーディングのためのモーション適応型イントラリフレッシュ |
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JP6908797B1 true JP6908797B1 (ja) | 2021-07-28 |
JP2021108483A JP2021108483A (ja) | 2021-07-29 |
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JP2021065873A Active JP6908797B1 (ja) | 2016-04-29 | 2021-04-08 | 高効率、低遅延ビデオコーディングのためのモーション適応型イントラリフレッシュ |
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US (1) | US10652572B2 (ja) |
EP (1) | EP3449632A4 (ja) |
JP (2) | JP6867406B2 (ja) |
KR (1) | KR102239856B1 (ja) |
CN (1) | CN109076227A (ja) |
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CN106488229B (zh) * | 2015-09-01 | 2022-01-21 | 恩智浦美国有限公司 | 具有可调整帧内刷新率的视频编码器 |
CN109496431A (zh) * | 2016-10-13 | 2019-03-19 | 富士通株式会社 | 图像编码/解码方法、装置以及图像处理设备 |
US20190156792A1 (en) * | 2017-01-10 | 2019-05-23 | Shenzhen Royole Technologies Co., Ltd. | Method and system for adjusting display content and head-mounted display |
GB2569107B (en) * | 2017-11-29 | 2022-04-06 | Displaylink Uk Ltd | Managing display data |
EP3522539A1 (en) * | 2018-02-01 | 2019-08-07 | Vrije Universiteit Brussel | Method and apparatus for compensating motion for a holographic video stream |
EP3657799B1 (en) * | 2018-11-22 | 2020-11-04 | Axis AB | Method for intra refresh encoding of a plurality of image frames |
WO2020188149A1 (en) * | 2019-03-21 | 2020-09-24 | Nokia Technologies Oy | A method, an apparatus and a computer program product for video encoding and video decoding |
US11039149B2 (en) * | 2019-08-01 | 2021-06-15 | Qualcomm Incorporated | Dynamic video insertion based on feedback information |
EP3829169B1 (en) * | 2019-11-29 | 2021-10-13 | Axis AB | Method for intra refresh encoding of a plurality of image frames using convex and concave distribution functions |
CN114630122B (zh) | 2021-03-19 | 2023-04-28 | 杭州海康威视数字技术股份有限公司 | 基于自适应帧内刷新机制的解码、编码方法及相关设备 |
CN112911294B (zh) * | 2021-03-22 | 2024-10-15 | 杭州灵伴科技有限公司 | 一种使用imu数据的视频编码、解码方法,xr设备和计算机存储介质 |
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JPH11289542A (ja) * | 1998-02-09 | 1999-10-19 | Matsushita Electric Ind Co Ltd | 画像符号化装置、画像符号化方法、および画像符号化プログラムを記録した記録媒体 |
EP0935396A3 (en) | 1998-02-09 | 2004-08-11 | Matsushita Electric Industrial Co., Ltd. | Video coding method and apparatus |
DE102005029127A1 (de) * | 2005-06-23 | 2007-04-19 | On Demand Microelectronics Ag | Verfahren und Vorrichtung zur optimierten prädiktiven Videocodierung |
JP4851911B2 (ja) * | 2006-10-23 | 2012-01-11 | 富士通株式会社 | 符号化装置、符号化プログラムおよび符号化方法 |
CN101621685B (zh) * | 2008-07-04 | 2011-06-15 | 株式会社日立制作所 | 编码装置和编码方法 |
US9897805B2 (en) * | 2013-06-07 | 2018-02-20 | Sony Interactive Entertainment Inc. | Image rendering responsive to user actions in head mounted display |
US9930360B2 (en) * | 2011-11-08 | 2018-03-27 | Texas Instruments Incorporated | Method, system and apparatus for intra-refresh in video signal processing |
JP2013165340A (ja) * | 2012-02-09 | 2013-08-22 | Sony Corp | 画像処理装置と画像処理方法 |
US9100636B2 (en) * | 2012-09-07 | 2015-08-04 | Intel Corporation | Motion and quality adaptive rolling intra refresh |
US20140294072A1 (en) * | 2013-03-27 | 2014-10-02 | Magnum Semiconductor, Inc. | Apparatuses and methods for staggered-field intra-refresh |
JP2015106747A (ja) | 2013-11-28 | 2015-06-08 | 富士通株式会社 | 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム |
US9529200B2 (en) | 2014-03-10 | 2016-12-27 | Ion Virtual Technology Corporation | Method and system for reducing motion blur when experiencing virtual or augmented reality environments |
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JP6867406B2 (ja) | 2021-04-28 |
KR20190003548A (ko) | 2019-01-09 |
WO2017185187A1 (en) | 2017-11-02 |
JP2019519964A (ja) | 2019-07-11 |
CN109076227A (zh) | 2018-12-21 |
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