JP5897792B2 - 画像処理装置、画像再生装置、および画像再生システム - Google Patents
画像処理装置、画像再生装置、および画像再生システム Download PDFInfo
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- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
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- H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
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- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
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Description
1.画像再生システムの概要
2.ハードウェア構成
3.携帯電話および表示装置の機能
4.画像再生システムの動作
5.まとめ
図1は、本発明の実施形態による画像再生システム1の構成を示した説明図である。図1に示したように、本発明の実施形態による画像再生システム1は、携帯電話20および表示装置10を備える。
以上、本発明の実施形態による画像再生システム1の概要を説明した。続いて、図4を参照し、本発明の実施形態による携帯電話20のハードウェア構成を説明する。
以上、図4を参照して携帯電話20および表示装置10のハードウェア構成を説明した。続いて、図5〜図10を参照し、携帯電話20および表示装置10の機能を説明する。
以上、本発明の実施形態による携帯電話20および表示装置10の機能を説明した。続いて、図11を参照し、携帯電話20および表示装置10からなる画像再生システム1の動作を説明する。
以上説明したように、本発明の実施形態による携帯電話20は、解像度などの処理内容の切替えタイミングを示すタイミング情報を事前に表示装置10に送信する。このため、表示装置10は、タイミング情報の示すタイミングに間に合わせてスケーラ120の設定を変更することができる。その結果、解像度の切替え直後のフレーム画像を正常に再生し、シームレスな切替えを実現することが可能である。また、スライス伝送が用いられる場合には、継ぎ目のスライスで以前のスライスを新たしい解像度に変換しておき、未受信のスライス部分にこの変換後のスライスを表示しておくというコンシール処理を行うことが可能となる。
20 携帯電話
120 スケーラ
130 デコーダ
140、240 無線通信部
150、250 制御部
220 解像度処理部
230 パケット生成部
231 画像エンコーダ
240 無線通信部
Claims (7)
- 画像データを処理する画像処理部と;
前記画像処理部により処理された画像データ、および、前記画像処理部における前記画像データの処理内容の切替えと、送信先となる画像再生装置における再生処理内容の変更とのための時間情報を含むタイミング情報を画像再生装置に無線送信する通信部と;
前記タイミング情報の示すタイミングにおいて前記画像処理部に前記画像データの処理内容を切替えさせる制御部と;
を備える、画像処理装置。 - 前記画像処理部は、前記制御部による制御に従い、前記タイミング情報の示すタイミングにおいて前記画像データを構成する各フレーム画像の解像度を切り替える、請求項1に記載の画像処理装置。
- 前記制御部は、前記画像再生装置との間の無線状況に応じて前記処理内容の切替えを判断し、前記処理内容を切り替えるタイミングを判断し、前記タイミングを示す前記タイミング情報を生成する、請求項2に記載の画像処理装置。
- 前記制御部は、前記画像再生装置からの再送要求から前記画像再生装置との間の無線状況を検出する、請求項3に記載の画像処理装置。
- 前記通信部は、前記画像データをパケット形式で送信し、
前記制御部が生成する前記タイミング情報は、パケットに付されるPTSまたはDTSを示す、請求項3に記載の画像処理装置。 - 画像処理装置から画像データ、および前記画像処理装置における前記画像データの処理内容の切替えについての時間情報を含むタイミング情報を受信する受信部と;
前記画像データを再生する再生部と;
前記タイミング情報の示すタイミングにおいて前記再生部による再生処理内容を切替えさせる制御部と;
を備える、画像再生装置。 - 画像データを処理する画像処理部と、
前記画像処理部により処理された画像データ、および前記画像処理部における前記画像データの処理内容の切替えと、送信先となる画像再生装置における再生処理内容の変更とのための時間情報を含むタイミング情報を無線送信する通信部、および、
前記タイミング情報の示すタイミングにおいて前記画像処理部に前記画像データの処理内容を切替えさせる制御部、
を有する画像処理装置;
前記画像処理装置から前記画像データおよび前記タイミング情報を受信する受信部、
前記画像データを再生する再生部、および、
前記タイミング情報の示すタイミングにおいて前記再生部による再生処理内容を切替えさせる制御部、
を有する画像再生装置と;
を備える、画像再生システム。
Priority Applications (10)
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JP2010275976A JP5897792B2 (ja) | 2010-12-10 | 2010-12-10 | 画像処理装置、画像再生装置、および画像再生システム |
US13/308,796 US9641886B2 (en) | 2010-12-10 | 2011-12-01 | Image processing device, image reproduction device, and image reproduction system |
EP14187677.1A EP2827600B1 (en) | 2010-12-10 | 2011-12-01 | Image processing device, image reproduction device, and image reproduction system |
EP19190930.8A EP3588967A1 (en) | 2010-12-10 | 2011-12-01 | Image processing device, image reproduction device, and image reproduction system |
EP11191527A EP2464136A1 (en) | 2010-12-10 | 2011-12-01 | Image processing device, image reproduction device, and image reproduction system |
EP18155286.0A EP3343935B1 (en) | 2010-12-10 | 2011-12-01 | Image processing device, image reproduction device, and image reproduction system |
CN201710286294.2A CN107197340B (zh) | 2010-12-10 | 2011-12-02 | 使用无线局域网来传送和接收数据的无线通信装置和方法 |
CN201110394661.3A CN102572520B (zh) | 2010-12-10 | 2011-12-02 | 图像处理设备、图像再现设备以及图像再现系统 |
US15/451,730 US10009646B2 (en) | 2010-12-10 | 2017-03-07 | Image processing device, image reproduction device, and image reproduction system |
US15/941,086 US10869081B2 (en) | 2010-12-10 | 2018-03-30 | Image processing device, image reproduction device, and image reproduction system |
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JP2015014264A Division JP5999205B2 (ja) | 2015-01-28 | 2015-01-28 | 通信装置 |
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EP (4) | EP2827600B1 (ja) |
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US9641886B2 (en) | 2017-05-02 |
EP3343935A1 (en) | 2018-07-04 |
US10009646B2 (en) | 2018-06-26 |
JP2012124842A (ja) | 2012-06-28 |
EP3588967A1 (en) | 2020-01-01 |
US10869081B2 (en) | 2020-12-15 |
CN107197340B (zh) | 2020-07-17 |
CN107197340A (zh) | 2017-09-22 |
US20120147799A1 (en) | 2012-06-14 |
CN102572520B (zh) | 2017-06-13 |
EP2464136A1 (en) | 2012-06-13 |
US20180227623A1 (en) | 2018-08-09 |
CN102572520A (zh) | 2012-07-11 |
EP2827600B1 (en) | 2018-04-11 |
EP3343935B1 (en) | 2019-09-18 |
US20170180779A1 (en) | 2017-06-22 |
EP2827600A1 (en) | 2015-01-21 |
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