video standard 中文意思是什麼

video standard 解釋
影像標準
  • video : n. 電視;視頻;影像。adj. 電視(用)的,視頻的,錄像的。
  • standard : n 1 標準,水準,規格,模範。2 旗;軍旗,隊旗;【徽章】標幟,標記;旗標,象徵。3 【植物;植物學】...
  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. Error concealment in the h. 264 avc video coding standard

    264的差錯掩蓋技術的研究
  3. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。
  4. Digital image processing consume a large amount of memory and time commonly. basing on the advantage of fpga, the paper design harware module by hdl ( hardware language ), i. e., some function is achieved by les ( logic element ) of the fpga. the real - time of digital image processing is achieved by this. the sample and display of digital image is the important part. so, the paper mainly design the sample and desplay module. the sample card is designed and it ’ s word mode is configured according china ’ s cvbs ( composite video bar signal ). for acquiring the image and storing it correctly to sram, the paper design the sample - control module. the sample module can work correctly using least time. the reliability and real - time achieve the reference. according the vga principle and scheduling of the ths8134, the paper design a vga - control module by hdl. firstly, the control signal is synthesized secondly, the horirontal and vertical synchronization signals is synthesized according to the vga interface standard

    圖像處理的特點是處理的數據量大,處理非常耗時,為實現數字圖像的實時處理,本文研究了在fpga上用硬體描述語言實現功能模塊的方法,通過功能模塊的硬體化,解決了視頻圖像處理的速度問題。圖像數據的正確採集和顯示輸出是其中的兩個重要的模塊,因此,本文主要完成了圖像數據的採集和顯示輸出的設計。本文設計了採集卡,並要對其工作模式進行了配置和編寫了採集控制模塊,在採集控制模塊的控制下,將數字圖像數據正確無誤的存儲到了sram中。
  5. 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。
  6. All of these algorithms are used in soft designing. 4. it describes the standard and video for windows kits, and introduces mechanism for digital video of digital camera before an application soft was designed

    研究了數字視頻標準以及vfw軟體包的功能,分析了數碼相機的視頻採集晶元各部分的功能,開發了一個視頻採集的軟體。
  7. It is expected to be used for 3g personal handy - phone system as standard algorithms which encode speech signals and decode it. additionally, this kind of algorithms which own excellent quality can be application in viewphone and video order programme etc. the thesis introducethe algorithm structure of g. 729

    該協議在可預見的將來可能應用於三代移動通信系統中作為語音編解碼演算法。另外,由於其良好的性能也可應用在多媒體系統中如:可視電話,視頻點播等。本論文概要介紹了g . 729協議的演算法結構。
  8. Audio video object based coding and description are the district features of the mpeg - 4 standard a video sequence must be segmented into a set of video object

    Mpeg - 4最重要的特點是基於對象的操作和編解碼。這需要按照視頻對象進行視頻分割。
  9. Blackfin533 is the new multimedia chip of ad incorporation. the study on h. 264 standard and its implementation on blackfin533 is important to the application of video techniques on embedded system

    Ad公司推出的blackfin系列dsp晶元是針對視頻技術而開發的專門晶元,因此,研究h . 264視頻標準並研究其在blackfindsp上的應用對視頻技術在嵌入式領域的應用研究有重大意義。
  10. Context - based 2d - vlc entropy coder in avs video coding standard

    基於上下文的二維變長熵編碼器
  11. As the latest standard in video codec field, h. 264 has such advantage as high compression rate, strong erroe resilience capacity, highly adaptability and so on

    作為視頻編解碼領域的最新標準, h . 264具有壓縮率高、差錯恢復能力強、適用范圍廣等優點。
  12. Digital video systems characteristics standard for cable television

    有線電視用數字視頻系統特徵標準
  13. It ' s the tide that the digital video system will gradually replace the analog one acted as the standard of a new generation

    數字視頻系統有一種逐漸替代模擬系統的趨勢,並將成為新一代標準。
  14. According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition

    作為工程實現前的實驗研究,對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗,發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像(傳輸距離從4 . 5米到100米之間) ,較原始模擬視頻圖像在幾何位置信息上沒有衰變,而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢;但是按dvcam壓縮格式(常見于sony公司的系列產品,是5 : 1的dct幀內壓縮)壓縮的數字視頻圖像,較原始模擬參照圖像有明顯的幾何畸變。
  15. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先,在分析及研究最新的視頻編碼標準h . 264的基礎上,利用宏塊自身的特點和其時間、空間的相關性來判斷宏塊應該採用的編碼模式,從而提前得到該宏塊的最佳編碼模式,新方法有效地克服了原標準演算法中窮舉式的復雜演算法,在壓縮碼流只有少許增加的情況下,大幅度地提高了幀內及幀間編碼的速度。
  16. Trial - use standard for measurement of video jitter and wander

    視頻抖動和偏移測量的試用標準
  17. For the third type, the blood ' s speed is very fast in a frame and maybe very slow in the next frame. it is difficult to measure the velocity using a standard video system but can be measured with high - speed video camera system [ 17, 42, 43 ]

    第三類微血管內血液流動特性是時快時慢,很難在標準視頻設備下測量出來,但如果在高速採集卡下的視頻圖象和第一類一樣時,可以用第一類相同的方法測量出來。
  18. Sub - pixel interpolation algorithm design in avs video standard

    視頻標準中的分像素插值演算法設計
  19. Improved ffsbm algorithm and its vlsi architecture for avs video standard

    針對avs視頻標準的改進型ffsbm演算法及其vlsi結構
  20. This paper proposes an efficient motion compensation architecture for avs - p2 video standard up to the level 6. 2 of the jizhun profile

    針對avs - p2中運動補償技術的新挑戰,本文推薦了一種新型高效運動補償vlsi體系結構。
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