video signal coding 中文意思是什麼
video signal coding
解釋
視頻信號編碼-
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 ） 。 -
Multiplexing and conversion of mpeg - 2 are important technology in present broadcasting network. mpeg - 2 is a generic standard about motive video and associated audio signal coding, which has been described by motive picture expert group
Iso發布的mpeg系列標準為廣播電視節目格式的規范提供了可能，其中， mpeg - 2碼流的合成與轉換是目前廣播電視行業的重要技術。 -
A novel motion estimation algorithm which is based on compensability analysis of the input video signal is proposed. the motion estimation operation is performed only on the compensable blocks in the image frame. the time of estimation computation and the bits for coding the motion vectors are all reduced significantly than those of conventional algorithms
本文介紹了一種新穎的運動矢量估計演算法，我們首先對待編碼的圖像進行可補償性分析，然後運動矢量搜索只對可補償塊操作，因此無論是搜索次數還是用於對運動矢量編碼的比特數均明顯少於傳統演算法 -
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。 -
Considering practical needs and developing trend of vts, based on analyzing the signal characters of vts radar video, studying basic data compression principles in information theory, comparing international coding standards in the forefront of image processing, a vts radar video coding system suitable for transmission in the narrow channel is proposed in this thesis. its main block ? oder and decoder, is realized in the common pc with software. the working process is demonstrated detailed
結合vts系統的現實要求和發展方向，本文從vts雷達原始視頻圖像數據的特點出發，從信息論中關于數據壓縮的基本原理出發，從現代信號處理特別是圖像信息處理領域中的壓縮編碼國際標準出發，提出了雷達原始視頻編解碼系統方案，其主體部分? ?編解碼器是在pc機內利用壓縮軟體實現，闡述了系統工作流程；提出了基於jpeg壓縮演算法和h -
In proc. ieee wireless communications and networking conference wcnc, new orleans, louisiana, usa, sept. 1999, pp. 329 - 333. 39 itu - t recommendation h. 263 annex h. video coding for low bit rate communication - annex h : forward error correction for coded video signal
在對這些高層編碼工具的介紹中，部分或全部給出了各個工具的設計思想和方法作用發展歷史，從而闡明為什麼在avs - m的標準制定過程選擇了該設計。 -
Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality
由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。 -
The is offers robustness neceesary for noisy channels. the video coding system discussed in this part can transform the pal video signal to mpeg - 2 ts. it offers an effective method for video signal transmitting
本文研製的mpeg - 2編碼板可以將pal制視頻信號壓縮為mpeg - 2傳輸流，為電視信號的傳輸提供了一種有效的途徑。 -
In past decade, scalable video coding, allowing partial decoding at a variety of resolution and quality levels from a single compressed stream, is widely considered as a promising resolution for efficient signal representation and transmission in a network environment, such as wireless - net, internet
經過近十年的研究，可擴展視頻編碼被認為是一種在無線、因特網等網路環境下進行視頻傳輸的編碼解決方案，它僅用一個可調整的碼流就可以滿足不同用戶的個性化需求。 -
In recent years, the research of image coding method has become one of the most active fields in information technology by way of the imp of communication, medium store, multimedia computer technology, etc. especially in 21st century, with the development of electronic and communicate technology, it is possible to realize the video telephone, meeting tv, signal tv, information high way and etc. on this occasion, it inevitably becomes one of the main tasks to seek after the effective image coding method
作為通信、介質存貯、數據發行、多媒體計算機等技術的關鍵環節，圖像壓縮編碼演算法的研究是信息技術中最活躍的研究領域之一，尤其是進入21世紀以後，電子技術和通信技術的發展使可視電話、會議電視、數字電視、高清晰度電視、多媒體計算機、信息高速公路等的生產和建立成為可能。在這一背景下，探索高效圖像壓縮編碼演算法無疑將成為主要任務之一，對其研究也將成為國際公認的熱點之一。 -
This chip integrates the algorithms of coding and decoding in chip, which can accurately control the compression rate and compress many video signal formats, including pal and ntsc. on the other hand, it can also obtain excellent image quality and high compression rate. in this paper, we make the best use of adv6oilc fulfill the remote multimedia surveillance, which provides many advantages in implementing such system
該專用壓縮解壓縮晶元系列片內集成了編解碼演算法，具有精確的壓縮比特率控制，能實時對包括pal和ntsc在內的多種視頻信號進行壓縮和解壓縮，同時由於採用小波變換進行圖像編解碼，能保證獲得很高的壓縮率和圖像質量。 -
Some of them have set about this work. this article discusses the principles of digital tv studio technology according to the present situation and developing tendency of current tv systems, including the features of digital studio, the coding standards of digital signal, the compressing technology of video and audio signals and the utilization of computers multimedia technology in editing tv programs. it elaborates the designing methods, principles and puts forward several concrete disposition examples
本文僅根據目前高校電視節目製作系統的發展現狀及趨勢著重論述了數字電視中心的技術原理，包括數字演播室的特點、數字分量信號的編碼標準、視音頻信號的壓縮技術以及計算機多媒體技術在電視節目製作中的應用等內容，闡述了高校電視節目製作系統數字化的設計思路及設計原則，提出了具體的設備配置方案。
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