video data stream 中文意思是什麼

video data stream 解釋
視頻數據流
  • video : n. 電視；視頻；影像。adj. 電視（用）的，視頻的，錄像的。
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • stream : n 1 河流，小河；川，溪。2 流出，流注；一連串，（人物等的）輩出。3 （事件等的）連續；（財富等的）...
  1. 3. based on analyzing the affection on coding performance of two operating modes in h. 264 nal layer, such as data partition mode ( dpm ) and signal slice mode ( ssm ), an adaptive channel uep scheme ( acuep ) for h. 264 video stream was proposed

    在研究了h . 264編碼視頻流在nal層下的兩種工作模式對編碼性能影響的基礎上，提出了一種h . 264編碼視頻流通道自適應非平等誤碼保護方案（ acuep ） 。
  2. Dvb / mpeg - 2 transport stream multiplexer / demultiplex takes an important role in digital video broadcasting system. it can combine several transport streams from source encoder into a single transport stream to transport channel, or demultiplex trasnsport stream into one program sorce to source decoder. its performance has a great influence on the program transmission ability of hdtv system and the decoding quality of decoder in hdtv receiver. mpeg - 2 system multiplexer signalized video, audio, host data and so on to fixed length packet type for making transport stream

    Dvb mpeg - 2傳送流復用解復用是數字電視廣播系統中的重要組成部分之一，它將從信源編碼器輸出的多路節目源復用成一路傳輸流送入傳輸通道，或者從通道中包含多路節目源的一路傳輸流中解復用出一路節目送到解碼器解碼。
  3. In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively

    模擬實驗表明，本方案能在無噪通道中有效降低編碼器端8240位元組的打包開銷和2 . 70kbit的輸出比特數以及0 . 33kbps的比特率，而在有噪通道中可使解碼輸出重構視頻圖像的視覺質量得到一定程度的提高，亮度分量峰值信噪比可增加近1db 。
  4. Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience

    機頂盒雖然只是數字電視傳輸系統的終端設備，但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此，通過對機頂盒軟、硬體的研究開發，既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備，也為圖像信號和音頻信號的數字化處理積累經驗。
  5. Streaming devices, such as audio, dvd, and video devices, and software - only filters for multimedia data streams. you will write a stream minidriver

    流動設備（流媒體） ，比如音頻， dvd和視頻設備，以及對于多媒體數據劉的唯一軟體過濾（設備） 。你要編寫一個流迷你設備。
  6. This paper focuses on the research and implementation of these six key techniques. firstly, this paper researches the international standards for compression of digital video data, analyses how to compress analog video stream to mpeg - 4 with hardware. it is also involved in the techniques of net transmit of digital video data, such as net protocol, ip multicast, rtp / rtcp and so on

    本文主要是對智能視頻監控系統關鍵技術的研究與實現，主要體現在以下幾個方面: 1 、在視頻數據的壓縮方面，研究與分析了視頻壓縮的標準以及對mpeg - 4壓縮標準做了簡單的介紹，並分析了mpeg - 4的硬體實現方式，即使用硬體編碼晶元vw2010將視頻信號轉換為mpeg - 4格式的視頻流。
  7. In addition, the paper discuss the video data over stream - media and illustrates how the mpeg - 4 asp video codec data is transferred on the lans or internet in real - time mode and development of a application of real - time video data communication sysytem

    本文還討論了網路流媒體的原理和應用，研究了一種適合網路視頻流傳輸的視頻編碼模型，該系統可以廣泛應用於網路視頻傳輸系統中。
  8. Pickup cameras take in the video and get the data and translate to the computer. computer operates the avi video stream manipulation and the image processing

    攝像頭拍攝被檢驗的儀表獲得視頻數據，計算機通過對avi文件視頻流的實時操作，對儀表進行實時的自動監控，實現監測儀表指針運動異常的功能。
  9. In this paper the injection dispersion in an oscillatory flow mixer has been studied by using the flow visualization technique with a solution of blue dye as the tracer. the process of injection dispersion was monitored with a digital camera connecting to a computer that treated the video data stream synchronously to obtain the attenuation curve of relative deviation of the flow image ' s gray scale values

    實驗採用以藍色有機染料為示蹤劑的流動顯形技術，由攝像頭實時攝取注入分散過程的動態圖像，計算機同步分析視頻流數據，從而以在線監測的方式獲得流場圖像的灰度相對方差隨時間衰減的曲線。
  10. For resource limited, the motion - video data stream with high bit - rate value used in mpeg - 2 standard can not forward exactly by media. or for the sake of resource more efficiently utilized, more multi - pass program streams can be forwarded in certain bandwidth

    Mpeg - 2的視頻數據流在帶寬資源不夠條件下，常常無法正常地傳輸，或者在一定的帶寬資源條件下，如何傳輸更多的節目流，更有效地利用帶寬資源？
  11. Information technology - generic coding of moving pictures and associated audioinformation : video - amendment 1 : video elementary stream content description data

    信息技術.活動圖像及其伴音信息通用編碼.修改件1 :視頻初級流內容描述數據
  12. Multicast is viewed as a means of data transportation to support the communication of multiple parties, so it is widely adopted in many network applications of modern distance education, for example the transportation of teaching video stream, the electronic whiteboard and the virtual lab on network etc. unlike security of unicast, there are not enough attention and research which are paid to the security problems of multicast

    因此多播在現代遠程教育中得到了廣泛的應用，如教師授課的視頻直播、師生網上的交互討論以及基於網路的協同虛擬實驗等現代遠程教育應用系統中都可採用多播的數據傳輸方式。不像單播的網路安全問題得到了廣泛的注意和研究，多播的安全問題一直沒有引起應有的重視。
  13. There are two research works is involved in this thesis. first, an algorithm of data reconstruction in videos and images is proposed. base on this reconstruction technology, we developed the precept of layer coding in sender, the structure of data stream and the precept of post processing in receiver with analyzing the scheme of real time transmission of video in network

    本文的研究工作包括兩個方面：首先提出了一種視頻與圖像中數據丟失的重建演算法，以此為基礎對基於網路的實時視頻傳輸方案進行了研究，提出了信源端分層編碼方案、數據流組織方案以及接收端後向處理方案。
  14. This paper also provides some background knowledge about sip and video conference, such as the sip framework, the history of voip and video conference, etc. this paper emphasizes on the implementation of sip terminal on the windows platform, including the realization of sip stack, the capture and compression of video and audio steams, rtp transmission of stream data, the working thread of sip terminal and the optimization of video codecs

    本文在論述研究工作的同時也介紹了一些相關的背景知識如sip協議的框架、 voip和可視電話的發展歷史等。本文重點論述了windows平臺sip多媒體終端的實現，包括sip協議棧的實現、視音頻流的採集、編解碼和網路傳輸方案、 sip終端的工作流程、以及編解碼器基於指令集的優化。
  15. The system can shape video stream with data partitioning technology and tune rate of shaping according to network instantaneous bandwidth adaptively

    該系統採用數據劃分技術實現碼率整形，並且能夠根據網路瞬時帶寬動態地調整整形碼率。
  16. The signal analyzer demultiplexes the received data stream, analyzes and acts on the received control codes, and analyzes the received coded video

    信號分析工具多路分解接收的數據流，在接收的控制代碼上分析並操作，並且分析接收的編碼視頻。
  17. With the development of network and multimedia technology, the application of the network video monitor system is more and more extensive. however, the network video monitor system often cannot adapted well to the high real - time requirement, and low - level efficiency of the video streaming transmission cannot satisfied the system requirement. all of the shortcoming limited the development of the network video monitor system all the time. the development of streaming media technology gives a chance to better solve this problem. we can send the sustained encapsulated video data stream to receiver according to the gradation of time by use of streaming media technology, and the receiver can play video streams received from network. it can improve systematic real - time character through adopting this method

    而一直以來網路監控系統的實時性不高和視頻數據的網路傳輸效率低下等缺點限制了它的發展。流媒體技術的興起較好的解決了這個問題，它將連續視頻流封裝后按照一定的時序要求發給接收端，保證接收端可以一邊接收數據一邊實時播放，提高了系統的實時性。本文以網路視頻數據流為對象，研究了將流媒體技術應用於現代網路監控系統中的技術和實現方法。
  18. The algorithm study is in detail that one channel of video - stream is recompressed by mpeg - 2 standard so that its bit - rate will be changed lower. then, multi - date streams will be processed by the technology of statistical remultiplex. the dynamic signals of every single data - stream " output can drive the values of bit - rate of the corresponding single data - stream

    本次演算法研究具體地說就是按照mpeg - 2的標準對單路mpeg - 2視頻流再次壓縮，將其碼率變的更低，並且提出對多路碼流進行統計復用，根據單路碼流的輸出動態信息對碼流進行動態的調整的框架。
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