點幀比 的英文怎麼說

中文拼音 [diǎnzhèngbǐ]
點幀比 英文
blip frame ratio
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 幀 : 量詞（幅, 用於字畫）
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。
  2. The bad : the game is short and not very challenging ; unstable frame rate ; the camera is occasionally frustrating ; weak gunplay

    缺點：游戲比較短而且不是太具挑戰性；不穩定的幀率；視角有時候比較惱人；槍戰部分比較弱。
  3. The focus is placed on the investigation of the standard of the encoding algorithm for mpeg audio layer iii, and the analysis of the major four modules in the compression algorithm, including encoding of subband filter bank, psychoacoustics model, quantification and huffman coding, frame packing

    重點研究了mpeg音頻第層編碼的演算法標準。詳細分析了壓縮演算法中的四個主要功能模塊：子帶濾波器組編碼，心理聲學模型，比特流量化與霍夫曼編碼，幀數據流格式化。
  4. On the basis of image segmentation, this thesis mainly discusses the algorithm of automatic target tracking in sequence images on the sea. firstly, in terms of the characteristics of image on the sea, such as weak contrast between target and background, borderline between sky and sea, spoondrift and so on, a method called barycenter tracking which is based on intra - frame information from the sequence images is proposed, in which the threshold method is the key algorithm

    在圖象分割演算法研究的基礎上，本文重點從兩方面討論了海上序列圖象中運動目標的自動跟蹤演算法:首先，針對海上圖象的特點，即背景與目標間的弱對比度、存在海天線、魚鱗光和目標拖尾等，設計了以閾值分割為核心的基於幀內信息的形心跟蹤方法。
  5. Then it studies the implementation, architecture and characteristic of embedded guis based on framebuffer, designs testing programs to test several embedded gui system ' s performances ( stability, efficiency ), and finally chooses qt / embedded as the development platform of the bsas. chapter 3 firstly briefly describes the embedded system hardware architecture, and then enumerates functions of system software

    在分析了若干種基於幀緩沖（ framebuffer ）的嵌入式gui的實現、體系結構和特點的基礎上，設計了測試程序對比它們在穩定性、繪圖速率等方面的性能，最終選擇qt embedded作為嵌入式系統軟體開發平臺。
  6. Visually, it is slightly more appealing than pure vertex based animation, since the intermediate frames are filled in dynamically at run - time

    而在真實感上，它比基於頂點的動畫也要好很多，因為中間幀都是實時動態的計算出來的。
  7. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵，即運動點目標的兩個位置相鄰近、灰度值一正一負，提出一種在復雜背景下，基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對，進而構造反相點對矢量圖，最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明，當信噪比大於或等於1 . 5時，可以有效檢測出運動點目標
  8. Compared with the other digital cordless telecommunication technique phs and pacs, dect has the character of high code velocity and flexible frame structure

    它與另外兩種同時期的無繩通信技術phs和pacs相比，具有碼速率高、幀結構靈活的顯著優點。
  9. Compare to constant background image in common use, the arithmetic have highly nicety and steadily result

    與常用的背景圖像不變和相鄰幀圖像作差分等檢測演算法相比，本演算法具有檢測準確度高，抗干擾性強等特點。
  10. It gives assistance to improve efficiency of the multiple frames accumulation. by analyzing the merits and demerits of several kinds of preprocessing, such as highpass filtering, median filtering, tophat transformation in mathematical morphology and wiener filtering, the local singularity filtering based on improved susan principle has been given, and it has a high power to raise the probability of target detection in single frame

    良好的預處理將提高后續的多幀積累的效率，對比常用的幾種預處理演算法，如高通濾波、中值濾波、數學形態學的tophat濾波、維納濾波等方法的優點和不足，提出了一種改進的susan濾波器? ?區域奇異性濾波，該濾波方法對于提高單幀檢測概率有很好的功效。
  11. The three primary color channels of color image are separately captured to the image acquisition board by using special hardware and software technology, therefore, three lines of seeds are parallel captured. contrastive test is done to compare advantage and disadvantage of threshold chosen method, which can either be chosen from trying or iteration, and predefined threshold chosen is selected, which result in lessen processing time. region labeling using sequential algorithm and seed object recognition are studied, and then the center of a region is calculated

    包括：為了有效地去除大量冗餘圖像信息，減少計算機存儲量，而採用的逐場採集和隔幀存方法；為實現三行播種通道種子信息的并行採集，圖像三分量獨立採集的軟硬體技術方法；對比實驗了自定義閾值選取與基於迭代方式的最優閾值的優缺點，選用了自定義閾值進行圖像分割，縮短了圖像處理時間：研究了基於序貫演算法的種子區域標記技術與種子目標識別技術，並進行了質心參數計算。
  12. 1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart

    本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。
  13. We discuss them all in this paper. some common approaches in the field of detecting and tracking moving targets including the approach based on character, the approach based on optic flow, the approach based on frame subtraction and the approach based on background modeling are also introduced and compared with each other

    本文首先概要介紹了目前運動目標檢測與跟蹤的一些常用方法包括基於特徵的方法、基於光流場的方法、基於幀間差分的方法和基於背景建模的方法，並對各種方法進行了比較，指出其優缺點及適用范圍。
  14. One of the common characters between traditional algorithms based on dct image coding is that regardless of the content of the image, they use a fixed size block to process, for example, jpeg, mpeg - 1 / 2, h. 263 use constant 8 * 8 block mode. the main work of this article is to propose a sequence images compression algorithm that is based on adaptive block dividing and object to the disadvantages of the one based on fixed - size block dividing. the proposed algorithm is an image compression method, which can auto - adjust dct block size ( 8 * 8 or 4 * 4 ) according to the difference of corresponding blocks between two frames of the sequential image and doesn ’ t process any unnecessary data blocks in order to enhance coding efficiency

    傳統的基於dct的圖像編碼演算法的一個共同特點就是:不管圖像的具體內容，採用固定的塊尺寸進行統一的處理，例如jpeg ， mpeg - 1 / 2 ， h . 263均採用固定的8 8分塊方式，本文的重點工作是針對這些採用固定的塊尺寸進行統一處理的演算法的一些缺點，提出了一種基於自適應分塊的序列圖像壓縮演算法，該演算法是一種根據序列圖像兩幀間對應塊的差別自動調整dct變換尺寸（ 8 8或4 4 ） ，對不必要的數據塊不進行處理，以提高編碼效率的序列圖像壓縮編碼方法，具有較高的編碼效率和較好的壓縮效果，與傳統的採用8 8固定分塊方式的壓縮編碼演算法相比，性能有較大幅度的提高，在文中，作者對兩者的壓縮編碼性能進行了分析比較。
  15. In recent years, with the development of communication technologies, digital protection devices are also improved. in this paper, the communications that are used in digital protection device and the protocol they followed are studied. as a kind of field bus technology, can ( control area network ) is applied to the communications of double mcu, which has higher reliability and strong transmission ability

    同以往的通信技術相比， can信號傳輸採用短幀結構，每幀的有效位元組數為8個，因而傳輸時間短，受干擾的概率低，當節點嚴重錯誤時，具有自動關閉的功能，以切斷該節點與總線的聯系，使總線上的其他節點和通信不受影響，具有較強的抗干擾能力。
  16. Based on this model, an application level layer - based congestion avoiding mechanism using by multicast is given. it takes advantage of layered video coding, sets down a set of video transfer scheme with different bandwidth

    利用視頻編碼的特點，將視頻數據編碼幀按不同的壓縮比劃分為多個層次，並制定出相應的佔用不同帶寬的多層視頻編碼傳輸方案。
  17. In this paper, we create the network, node and process model using opnet software to simulate throughput performance of aos packet service, and choose various combinations of source packet length, transfer frame length and channel error rate to form different simulation scenarios. by analyzing the throughput - packet length, throughput - frame length simulation curves at different channel ber we get the optimal packet length and frame length configurations, and give some advice for the optimization of protocol configuration parameters according to throughput performance metric ; the complete node and process model of aos protocol have been built by opnet software, and a simple network scenario has been built to simulate and verify the validation of the protocol model

    本文在建模模擬方面，用opnet軟體建立模擬aos協議包業務吞吐量性能的網路、節點、進程模型，選取不同的包長、幀長與通道誤比特率組合建立模擬場景進行模擬，得到不同誤比特率條件下吞吐量-包長、吞吐量-幀長關系曲線，經過分析得出最大吞吐量對應的最佳幀長、包長配置，給出以吞吐量性能為指標優化協議配置參數的建議;用opnet軟體搭建aos協議封裝節點模型和各個進程模型，建立簡單網路場景進行模擬驗證協議封裝節點模型的有效性。
  18. A process for speaker - dependent and isolated - word speech recognition system is presented starting from preprocessing i. e. digital sampling, noise filtering, windowing and so on. it is followed by endpoint detection and pick - up parameters of speech signal. methods for speech recognition are discussed as well

    本文循著一個特定人孤立詞語音識別系統的處理過程，從信號前端處理（數字采樣、預加重濾波、加窗分幀）開始，分別介紹了語音信號的端點檢測、特徵參數提取以及孤立詞識別方法，並對每個步驟可用的幾種方法在實驗基礎上進行了分析對比。
  19. The i is an inside to compress, and not use the sport the repair, and provide the medium compression ratio. does not depend on because of the i in the other, therefore is a

    I幀是幀內壓縮，不使用運動補償，提供中等的壓縮比。由於i幀不依賴于其它幀，所以是隨機存取的入點，是基準幀。
  20. Subsequently, the various video compression protocols in the module of data compression, especially the fundamentals of wavelet compression technology are introduced in chapter two. the comparison between wavelet transform and dct transform is given. the schemes of intra - frame coding and sequence frame coding based on wavelet compression are used as a standard in current system

    第二章介紹了該壓縮模塊中所採用的各種視頻壓縮協議，對小波壓縮技術的一些重要概念作了簡要的介紹，詳細比較了小波變換和dct變換的優缺點，給出了基於小波壓縮的單幀及序列幀編碼方案，並將其作為本壓縮模塊的壓縮標準。
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