compression of video 中文意思是什麼

compression of video 解釋
圖像壓縮
  • 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。
  • of : OF =Old French 古法語。
  • video : n. 電視;視頻;影像。adj. 電視(用)的,視頻的,錄像的。
  1. 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。
  2. In this paper, after the theory of video coding analyzed and some video compression standard compared, the development, constitution, application and characteristic of h. 264 video compression technique is focused on. and then the design of h. 264 video capturing and coding system based on adi dsp ( adsp - bf561 ) is illustrated, the hardware constitution and the software realization of the real - time video encoder are introduced particularly, and all kinds of techniques to optimize the h. 264 program according to the hardware configuration and compiling characteristics of adsp - bf561 are discussed especially

    本文在分析了視頻編碼的基本原理,並將目前常用的視頻壓縮標準進行了比較的基礎上,重點分析了h . 264視頻壓縮技術的發展、組成、應用及其特點,詳細論述了以adidsp ( adsp - bf561 )為核心的h . 264視頻採集編碼系統的硬體組成和軟體實現,著重闡述了根據adsp - bf561系統的硬體及編譯系統特點,運用各種方法對h . 264編碼程序代碼進行優化的方法,最終實現了基於adiadsp - bf561的h . 264視頻採集編碼。
  3. Analysis and objective measurement of video compression artifacts

    視頻壓縮損傷分析及客觀測量方法
  4. One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet

    電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用,它將電視事業帶入一個新的高速發展時期,以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點,不僅將圖像聲音和文字等信息數字化,而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態,特別是其採用了數字信息在線廣播方式,觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。
  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. Especially, with the fast development of video compression technology, low bitrate high quality video standards are proposed, and the dream of streaming video on network now become true

    尤其是伴隨著視頻壓縮技術的發展,低碼率高質量的視頻標準不斷推出,流式視頻已經由夢想變為現實。
  7. Some novel enhancing morphologic translation algorithms such as mark, areaselect, bylsland, island are implemented in the experiment of this thesis. and what ' s more, making full use of overlapping movement compensation, embedded zerotree wavelet translation encoding and contend - based wavelet translation, this thesis has achieved the human - face - central video compression of the key objects

    實驗中提出了一系列新型增強形態變換演算法,如mark 、 areaselect 、 byisland 、 island等,並且將交疊運動補償、零樹小波編碼、基於內容的小波變換等有機地結合起來,實現了基於人臉關鍵對象的視頻壓縮。
  8. The latest video coding standard h. 264 introduces a series of advanced video coding techniques. it provides significantly better video compression efficiency together with the enhanced ability of error resilience and network adaptation. the research on h. 264 will greatly promote the developing of video technique

    H . 264標準是最新的視頻編碼標準,它採用了一系列先進的編碼技術,在編碼效率、抗誤碼能力、網路適應性等方面表現出超越以往各標準的優勢, h . 264的研究和應用將大大推進視頻技術的發展。
  9. Method study of video compression based on adv601 chip

    601實現視頻壓縮的方法研究
  10. In this paper, three method are proposed. the two among them are that the higher information transmission data rate will be given in the increasement of the signal transmitted power, and another is got through the compression of video signal data rate

    論文提出了三種方法,即兩種通過信號功率增加使信息傳輸速率提高的方法和一種壓縮視頻帶寬提高數據傳輸速率的方法。
  11. After the historical background of video compression technology being introduced, some key compression algorithms are then proposed. then, kinds of error control technologies such as resilient coding, error concealment, and feedback - based error control methods are introduced. also our settle method is given

    首先,本文視頻壓縮技術的發展歷程,介紹了一些關鍵的視頻壓縮技術;然後重點介紹了各種錯誤控制技術,包括基於編碼端的,解碼端的以及基於反饋的錯誤控制技術,並且提出了自己的一些方法;然後介紹了一個基於手持設備的視頻系統,並給出了採用的錯誤控制方法,做了數據模擬和分析。
  12. Subsequently, the development of video capture, video compression, video transmission network, video storage and video processing technology are introduced in chapter two. video compression especially wavelet compression technology, the core technology in the later design is discussed in details

    第二章主要介紹了在視頻監控系統設計中涉及的視頻採集技術,視頻壓縮編碼技術,視頻傳輸網路技術,視頻存儲技術和視頻處理技術的現狀和發展方向。
  13. The key technology of digital video surveillance systems is compression of digital video data

    數字視頻壓縮技術是數字視頻監控系統的關鍵技術。
  14. The destination of video compression is to improve the video quality in the given bitrate. the main topic of video communication is communication protocol, and the difficulty is how to avoid and reduce the communication errors and decrease the effect of these errors

    視頻壓縮的目的是在一定碼率下,盡量減少視頻降質;視頻通信技術主要包括傳輸協議等,重點是如何克服和減小通信錯誤對重建視頻的影響。
  15. First the survey of video encoding development has been conducted, then the video compression technology has been introduced and the application of fpga and dsp processor in video compression field is appended, finally the hardware implementation of video compressor based on h. 263 standard is introduced. according to the characteristic of fpga, we bring forward the motion estimate and dct / idct arith metic which can be easily implemented in hardware

    首先介紹了視頻壓縮編碼發展的概況;然後介紹基於變換編碼的視頻壓縮方法,並介紹fpga和dsp處理器在視頻壓縮編碼器中的應用;最後介紹了基於h . 263標準的視頻壓縮編碼器硬體實現,並根據fpga的特點,提出適合其實現的運動估值演算法和dct和idct演算法。
  16. 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。
  17. 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。
  18. From video phone, meeting phone, dvd, flow media to digital tv broadcasting, digital video has been used more and more widely, and in which setting standard is playing an important impelling role. mepg - x set by iso / iec and h. 26x set by itu - t are two main standard systems in the current field of video compression

    Mpeg - x和由itu - t制定的h . 26x是當前視頻壓縮領域的兩大標準體系,前者在廣播電視業界成為當然的標準,後者在會議電視、可視電話等領域獲得廣泛應用。
  19. Firstly, the paper compares v. 90, modem, xdsl, isdn in their characters, difficulties, management and costs. finally, we choose to construct the h. 320 multi - media communication system based on n - isdn. secondly, in the theoretical part of the paper, the basic theory of h. 320 multi - media communication is introduced, such as the compression of video and audio data, h. 320 stack protocol and especially introduced the theory, relative protocol and the technique of access to the net of n - isdn

    本文針對銅線接入技術應用的基礎和現狀,對v . 90 、 modem 、 xdsl 、 isdn等接入方式的技術特點、接入難度、運行管理和經濟性等方面進行對比分析,結合接入的具體環境,通信需求和經濟性等方面的特點,重點闡述了n ? isdn接入方案的可行性和「基於n ? isdn接入的h . 320多媒體通信系統」的實現方案。
  20. 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。
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