JP5194564B2 - 画像処理装置および方法、プログラム、並びに記録媒体 - Google Patents
画像処理装置および方法、プログラム、並びに記録媒体 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4821—End-user interface for program selection using a grid, e.g. sorted out by channel and broadcast time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2365—Multiplexing of several video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- 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
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4347—Demultiplexing of several video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64784—Data processing by the network
- H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
- H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
- H04N7/56—Synchronising systems therefor
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- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Human Computer Interaction (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Synchronizing For Television (AREA)
Description
前記発生制御ステップは、前記デジタルソースの復号のタイミングを指定する復号開始信号と、表示用同期信号を生成し、前記複数のデジタルソース処理制御ステップのそれぞれは、PTSの値がSTCの値よりも小さい場合、前記復号開始信号のタイミングでフレームを復号し、PTSの値がSTCの値よりも1フレーム分以上小さい場合、PTSの値がSTCの値よりも大きいフレームまで復号をスキップし、PTSの値の方がSTCの値よりも大きい場合、次の復号開始信号が入力されるまで復号動作を停止し、前記合成ステップは、前記表示用同期信号に基づいて複数の画像を合成する。
上述した一連の処理は、ハードウェアにより実行させることもできるし、ソフトウエアにより実行させることもできる。一連の処理をソフトウエアにより実行させる場合には、そのソフトウエアを構成するプログラムが、専用のハードウェアに組み込まれているコンピュータ、または、種のプログラムをインストールすることで、種の機能を実行することが可能な、例えば汎用のパーソナルコンピュータなどに、プログラム記録媒体からインストールされる。
Claims (5)
- 複数のデジタルソースをそれぞれ処理する複数のデジタルソース処理手段と、
複数のアナログソースをそれぞれ処理する複数のアナログソース処理手段と
前記複数のデジタルソースおよび前記複数のアナログソースの各入力ソースにロックしたクロックとは独立にクロックを発生し、前記入力ソースのうち選択された入力ソースにロックされたクロックに同期されたクロックを発生する発生手段と、
前記複数のデジタルソースに基づく画像および前記複数のアナログソースに基づく画像のうち、前記選択された入力ソースを含む複数の入力ソースに基づく複数の画像を合成するための処理を行う合成手段と
を備え、
前記複数のデジタルソース処理手段と前記複数のアナログソース処理手段は、それぞれ独立にクロックリカバリー機能を備え、
前記発生手段は、前記デジタルソースの復号のタイミングを指定する復号開始信号と、表示用同期信号を生成し、
前記複数のデジタルソース処理手段のそれぞれは、PTSの値がSTCの値よりも小さい場合、前記復号開始信号のタイミングでフレームを復号し、PTSの値がSTCの値よりも1フレーム分以上小さい場合、PTSの値がSTCの値よりも大きいフレームまで復号をスキップし、PTSの値の方がSTCの値よりも大きい場合、次の復号開始信号が入力されるまで復号動作を停止し、
前記合成手段は、前記表示用同期信号に基づいて複数の画像を合成する
画像処理装置。 - 前記デジタルソースを復号するときに用いられる復号用のメモリと、前記アナログソースのフレーム乗り換え用のメモリを、共有する
請求項1に記載の画像処理装置。 - 複数のデジタルソースの処理をそれぞれ制御する複数のデジタルソース処理制御ステップと、
複数のアナログソースの処理をそれぞれ制御する複数のアナログソース処理制御ステップと、
前記複数のデジタルソースおよび前記複数のアナログソースの各入力ソースにロックしたクロックとは独立にクロックを発生し、前記入力ソースのうち選択された入力ソースにロックされたクロックに同期されたクロックの発生を制御する発生制御ステップと、
前記複数のデジタルソースに基づく画像および前記複数のアナログソースに基づく画像のうち、前記選択された入力ソースを含む複数の入力ソースに基づく複数の画像を合成するための処理を行う合成ステップと
を含み、
前記複数のデジタルソース処理制御ステップと前記複数のアナログソース処理制御ステップは、それぞれ独立にクロックリカバリー機能を制御し、
前記発生制御ステップは、前記デジタルソースの復号のタイミングを指定する復号開始信号と、表示用同期信号を生成し、
前記複数のデジタルソース処理制御ステップのそれぞれは、PTSの値がSTCの値よりも小さい場合、前記復号開始信号のタイミングでフレームを復号し、PTSの値がSTCの値よりも1フレーム分以上小さい場合、PTSの値がSTCの値よりも大きいフレームまで復号をスキップし、PTSの値の方がSTCの値よりも大きい場合、次の復号開始信号が入力されるまで復号動作を停止し、
前記合成ステップは、前記表示用同期信号に基づいて複数の画像を合成する
画像処理方法。 - 複数のデジタルソースをそれぞれ処理する複数のデジタルソース処理手段を制御する複数のデジタルソース処理制御ステップと、
複数のアナログソースをそれぞれ処理する複数のアナログソース処理手段を制御する複数のアナログソース処理制御ステップと、
前記複数のデジタルソースおよび前記複数のアナログソースの各入力ソースにロックしたクロックとは独立にクロックを発生し、前記入力ソースのうち選択された入力ソースにロックされたクロックに同期されたクロックの発生を制御する発生制御ステップと、
前記複数のデジタルソースに基づく画像および前記複数のアナログソースに基づく画像のうち、前記選択された入力ソースを含む複数の入力ソースに基づく複数の画像を合成するための処理を行う合成ステップと
を含み、
前記複数のデジタルソース処理制御ステップと前記複数のアナログソース処理制御ステップは、それぞれ独立にクロックリカバリー機能を制御し、
前記発生制御ステップは、前記デジタルソースの復号のタイミングを指定する復号開始信号と、表示用同期信号を生成し、
前記複数のデジタルソース処理制御ステップのそれぞれは、PTSの値がSTCの値よりも小さい場合、前記復号開始信号のタイミングでフレームを復号し、PTSの値がSTCの値よりも1フレーム分以上小さい場合、PTSの値がSTCの値よりも大きいフレームまで復号をスキップし、PTSの値の方がSTCの値よりも大きい場合、次の復号開始信号が入力されるまで復号動作を停止し、
前記合成ステップは、前記表示用同期信号に基づいて複数の画像を合成する
処理をコンピュータに実行させるプログラム。 - 請求項4に記載のプログラムが記録されている
記録媒体。
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JP2007141369A JP5194564B2 (ja) | 2007-05-29 | 2007-05-29 | 画像処理装置および方法、プログラム、並びに記録媒体 |
US12/151,552 US20090096921A1 (en) | 2007-05-29 | 2008-05-07 | Image processing apparatus, method, program, and recording medium |
CN2008101087609A CN101316369B (zh) | 2007-05-29 | 2008-05-29 | 图像处理装置和方法 |
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CN103856809A (zh) * | 2012-12-03 | 2014-06-11 | 中国移动通信集团公司 | 一种多点同屏方法、系统及终端设备 |
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KR100454905B1 (ko) * | 2002-02-01 | 2004-11-06 | 엘지전자 주식회사 | 스트림 소스 디바이스와 디스플레이 장치의 인터페이스 방법 |
JP3773873B2 (ja) * | 2002-05-24 | 2006-05-10 | 三洋電機株式会社 | 放送受信装置 |
CN1416271A (zh) * | 2002-12-16 | 2003-05-07 | 乐金电子(沈阳)有限公司 | 复合视频输出信号的稳定装置 |
-
2007
- 2007-05-29 JP JP2007141369A patent/JP5194564B2/ja not_active Expired - Fee Related
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2008
- 2008-05-07 US US12/151,552 patent/US20090096921A1/en not_active Abandoned
- 2008-05-29 CN CN2008101087609A patent/CN101316369B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN101316369A (zh) | 2008-12-03 |
US20090096921A1 (en) | 2009-04-16 |
CN101316369B (zh) | 2011-08-17 |
JP2008300911A (ja) | 2008-12-11 |
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