mpeg-video compression 中文意思是什麼

mpeg-video compression 解釋
視頻壓縮
  • mpeg : MPEG = motion picture expert group 【計算機】電影專家組系統。
  • video : n. 電視;視頻;影像。adj. 電視(用)的,視頻的,錄像的。
  • compression : n. 1. 壓縮;壓緊;濃縮,緊縮。2. 加壓;壓抑。3. (表現的)簡練。4. 應壓試驗。
  1. Video compression plays an important role on digit moving picture processing, since it affects the picture ' s quality, comprcssing rate and visual degree in video sequence. adopting the same aphesis on the different objects, this approach which has employed by mpeg - 2 standard has led to a blur image of key objects, especially for those of the human faces

    視頻壓縮是數字視頻處理的關鍵技術,其決定了圖像的質量、壓縮率和對象的可分辨性,但是目前的mpeg壓縮演算法將不同圖像對象以相同的方式處理使視頻圖像中的關鍵對象信息無法清晰表達。
  2. When we designed the system, we considered some key factors such as the system must deal with and store a great deal video and audio data, the capability of the hard disk in the server and client, hi the part of video compression, we choose the currently mpeg - 4 video constringent card to complete the collecting and compression of the video and audio signals

    在論文研究與實用系統設計中,充分關注到大量視音頻數據的處理、存儲以及服務器和遠程客戶端的硬盤容量等關鍵因素,視音頻壓縮採用了最新的mpeg - 4視音頻壓縮卡進行視音頻信息的採集和壓縮。
  3. Considering the developmental trend of the video compress and the demands of the people, this paper makes researches on the visual section of the mpeg - 4 standard, present an amendment to the ds search algorithm, and does some optimization to the module of compress which is utilized frequently by the encoder so that the encoder can accomplish real - time compression on adsp - blackfin535 evm board to the cif picture, the size of which is 352 by 288

    因此,研究mpeg - 4視頻編碼標準並實現實時編解碼具有重要意義,特別是在圖像質量和實時性方面要求都很高的場合,例如電視會議、視頻電話和iptv等。本文結合這種需求和趨勢,研究了mpeg - 4sp編碼原理,改進了ds演算法。通過內存優化、結構優化和匯編級優化,最終實現了編碼器在adsp - blackfin535評估板上的實時編碼。
  4. Because mpeg video need more storage space ( though achievements in compression algorithms have decrease it to a reasonable degree ), high transmission bandwidth, low transmission delay and delay jitter ( especially to real - time video ). how to guarantee video transmission qos ( quality of service )

    如何在寬帶ip和atm網路上有效地傳輸mpeg視頻,才能有效地保證視頻傳輸的服務質量參數qos (如延遲、延遲變化等) ,以及用戶終端表示的表現質量參數qop ,一直是近年來學術界研究的熱點。
  5. 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。
  6. We study the code model characteristic of videos, analyse the characteristic of mpeg data structure and similarities and differences of forms of avi video. the method which compresses the information of an image and the differences of images is adopted to reach the high compression ratio. mpeg compresses algorithms as the international standard, is supported together by many computer platforms now, have better compatibility than avi video

    論文首先簡要地介紹了課題背景和當前的研究狀況,研究了視頻編碼模型特點,分析了mpeg - 2數據結構特點和avi視頻格式的異同,在同等的視覺質量范圍下mpeg - 2採用有損壓縮方法減少運動圖像中的冗餘信息從而達到高壓縮比,因此mpeg - 2壓縮演算法作為國際標準,被許多的計算機平臺共同支持,較avi視頻具有更好的兼容性。
  7. The establishment of h. 26x and mpeg video compression standard directs a broad way for the development of the multimedia communication industry, and its related products are also widely applied

    H . 26x和mpeg系列視頻標準的制定,為多媒體通信產業的發展帶來了廣闊的發展空間,其相關產品因此得到了廣泛的應用。
  8. Video recording - helical - scan digital video cassette recording format using 12, 65 mm magnetic tape and incorporating mpeg - 2 compression - format d - 10

    視頻記錄.使用12 , 65mm磁帶和混合mpeg - 2的螺旋式掃描數字視頻卡式錄音帶的錄制格式. d - 10格式
  9. Recently, mpeg - 4 has become a very promising technology for video compression, which could enhance the system ' s quality and capacity

    近年來, mpeg ? 4已成為視頻壓縮技術領域中的一個熱點,該技術的應用可以提高圖像通信系統的質量和容量。
  10. In compressed domain, we analyse the traditionary scene change detection algorithms that are based on the compressed streams of mpeg - 1 / 2 / 4 and introduce the newest standard of video compression : h. 264 / avc. on the basis of analyse of the new features of srteams of h. 264 / avc and theirs impact on traditionary scene change detection algorithms, a novel scene change detection algorithm on h. 264 / avc is proposed in this dissertation

    在壓縮域,在分析傳統的基於mepg - 1 / 2 / 4碼流的鏡頭邊界檢測演算法的基礎上,結合最新視頻標準h . 264 / avc的碼流新特性,提出了一種在h . 264 / avc碼流上檢測鏡頭邊界的演算法。
  11. The second, on the foundation of analyzing with comparing some important coding standards of video at present, the thesis puts forward a project of video coding standards adopting this system. it also realizes the functions of using video compression of mpeg - 4 to compress the video data with the big ratio, using the vfw to gather and deal with the monitoring video on time, using directshow to realize the function of playing back of video streams

    第二,在分析和比較目前各種視頻編碼技術的標準的基礎上,提出了本系統所採用的視頻壓縮編碼方案,實現了用mpeg - 4視頻壓縮模塊對採集視頻進行大比率壓縮,用vfw及時對監控視頻進行採集、處理,用directshow技術實現視頻流的回放功能。
  12. This paper propose a improvement method of mzte, adopted in mpeg - 4 for encoding stilltexture. firstly, the basic conception of image / video compression is provi - ded, and then the conception of wavelet decomposing and fractal predictive encoding, lastly, mzte and it ' s improvement is illuminated detailedly

    首先分析了圖像及視頻壓縮的技術現狀,論述了小波分解及在圖像壓縮中的應用、分形預測編碼的理論和方法,然後重點對mzte進行了深入的論述分析,最後對mzte的改進作了詳細說明。
  13. In march 2003, jvt ( joint video team ) of itu - t vceg ( video coding experts group ) & iso / iec mpeg ( motion picture experts group ) published a video compression coding international standard, which will be two identical standards : part 10 of iso / iec mpeg4 and itu - t h. 264

    Itu - t的vceg和iso / iec的mpeg聯合組成了jvt共同研究制定了新型視頻壓縮國際標準h . 264 ,於2003年3月正式發布。目前,對h . 264的研究與實現已經成為圖像通信研究領域的一個熱門課題。
  14. Mke - 810 encoder is able to provide high - quality video, audio compression with mpeg - 2 encoder. it provides efficient rate and cache control can be both high and low bit - rate high - definition quality. it mp ml with mpeg - 2 video coding standard resolution of 720 576 25. 2m - 20m programs for each output bit rate adjustable. meanwhile a variety of interface and high performance core of the larger independent mpeg - 2 module integrated within the box. meet efficient installation

    採用4 : 2 : 2數字視頻和20位數字音頻編解碼技術內置時基校正和幀同步功能,保證信號的傳輸質量單模傳輸方式,波長為1310nm或1550nm ,傳輸距離可達100公里
  15. Mpeg - 4 is a popular standard of moving picture compression encoding today. delivering mpeg - 4 video on narrow - band networks, we can gain video with high quality

    Mpeg - 4是當今比較流行的一種動態圖像壓縮編碼標準,採用該壓縮標準,可以在很窄的帶寬下傳輸高質量的圖像。
  16. When the digital streaming video is transmitted on internet, it will be affected by the network, such as bandwidth, so the paper also deals with streaming video watermarking and its exclusive requirement. at the last chapter, an object - based watermarking algorithm has been presented. the watermarking algorithm for mpeg - 4 compression is devoted to address the influence from the rate scalability, based on static texture object in mpeg - 4 and watermarking in wavelet domain

    在此基礎上針對視頻與圖像的異同點,分析比較了靜態圖像水印和視頻水印特點的異同,並且結合在internet上傳輸視頻時,網路自身的特性(比如帶寬資源等)對視頻流產生的影響,以及這些影響對視頻流水印技術的特殊要求,結合基於對象的視頻編碼標準mpeg - 4的特性,提出了在視頻對象中利用基於小波變換的水印方案。
  17. Furthermore, with the adoption of mpeg - 2 as image compression and multiplex standard and the establishment of dvb as a recommended international standard, the application course of digital video broadcasting is accelerated dramatically

    基於mpeg - 2標準的圖象壓縮和復用技術的dvb標準的完善,極大的促進了數字視頻廣播技術的應用進程。
  18. The newly developed mpeg standardization highly promoted the technology of the video and audio information compression, editing, storing and transporting, and it became the mainstream

    近幾年發展起來的mpeg標準,極大的推動了視音頻信息壓縮、編輯、存儲、傳輸技術的發展,並成為其中的主流。
  19. H. 264 offers significantly better video compression efficiency than the previous itu - t standards and mpeg standards, but its computational complexity is too large for implementation

    H . 264的三個主要目標之一是提高編碼效率,在同樣的保真度條件下,平均碼率比現有的h . 263視頻壓縮標準低50 % 。
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