有效幀數 的英文怎麼說

中文拼音 [yǒuxiàozhèngshǔ]
有效幀數 英文
available frame count
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 幀 : 量詞（幅, 用於字畫）
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 有效 : effective; valid; efficacious
  1. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存器的佔有率給每幀預分配比特數，然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制，解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法，即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮，編碼器復雜等不足，討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法，提出了3 - ddct系數的三維「 z 」形掃描方案，大大提高了編碼效率。
  2. In packet based wireless video communications, when best band distribution, not only source distortion should be considered, but also channel distortion caused by channel errors. the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order, and then encodes the mbs in the same order. actually, the quantization distortion is heavily dependent upon the coding order of mbs

    在基於包的無線視頻傳輸中，最佳帶寬分配時，不僅要考慮信源編碼失真，也要考慮由於通道差錯引起的通道失真；已有的宏塊層碼率控制演算法以矩陣掃描的順序計算一幀中所有宏塊的量化參數，事實上量化失真與宏塊的編碼順序有很大關系，改變宏塊的編碼順序，使復雜的宏塊分配到更多的比特數，顯然能大大提高編碼效率。
  3. The algorithm generates three - dimensional terrain model and displays in real time. it uses an efficient and simple method to attain the dependency between sampling points on terrain, and refines the center points in top - down way. it incorporates the dependency of points into their errors so that the cracks inside the terrain block are avoided, at the same time eliminates the cracks at the edges of blocks through adjusting the elevations of those points that cause the cracks

    該演算法基於規則格網數據實時生成三維地形模型，並實時顯示；採用了一種簡單而高效的方法來求解采樣點之間的依賴關系；以「從頂向下」方式細分中心頂點；並把頂點依賴關系融合進頂點誤差中，避免了地形塊內部的裂縫，同時通過調整塊邊界點的高程消除了塊邊界處的裂縫；演算法還具有利用幀間相關性，視相關等方面特點。
  4. The main technique of solid state memory system include the techniques of design for reliable and lower power dissipation and valid data sampling, data framing and encoding, data storing and retrieving on high speed, data disturbing and frequency difference processing

    星載固存系統設計的主要技術包括可靠性設計、低功耗設計、有效數據采樣、數據組幀編碼、數據高速存儲及回放，數據加擾，輸入輸出頻差兼容設計等技術。
  5. One of the characteristics of gprs service different from real - time voice service is that it requires very low erroneous frame rate. the accuracy of packet data can be guaranteed through the mechanism of retransmission, which, however, leads to longer transmission delay and low payload in spite of busy channels

    Gprs業務不同於實時語音的一個特點是它要求有很低的誤幀率，這可以通過重傳機制保證分組數據的正確，但重傳將使傳輸時延大、通道盡管很忙但有效的負荷卻低。
  6. Simulation has shown that the proposed scheme can achieve more accurately in similarity examination than scheme which proposed by [ 102 ]. so the bit number of coded video stream was decreased about 22. 95 percent and thus the compression ratio was improved. although the coding cost was increased about 8. 25 percent by using proposed scheme

    模擬實驗表明，與文獻[ 102 ]方案相比，提出的方案雖然增加了約8 . 25的編碼器編碼耗時，卻有效提高了對視頻序列突變幀的檢測精度，從而進一步降低編碼器端輸出編碼視頻流的比特數達22 . 95左右，在基本不影響重構視頻信息視覺質量的同時提高了編碼器的壓縮效率。
  7. The typical peer to peer telecontrol protocol dnp 3. 0 is analyzed on the real time performance of data transmission, the transparency of layered function and the scientificity of frame format definition. the valid classification method and the gathering procedure of telecontrol information are presented so as to improve real time performance of telecontrol information transmission. the rules to be obeyed in program realization are summed up in insuring the reliability of telecommand and teleadjusting

    分析了典型對等式遠動規約dnp3 . 0規約中數據傳輸的實時性、分層功能的透明性以及幀格式定義的科學性；提出了一種遠動信息有效分類方法和收集過程提高遠動信息傳輸的實時性；總結了為保證遙控和遙調的可靠性在程序實現中應遵守的規則；分析了dnp規約時間同步中同步誤差的產生原因，並給出了改進方法；提出一種實現遠動技術中參數設置的可行方法。
  8. It is of high speed, efficiency and resolution. also it will give new direction and theory reference for real - time 3d non - contact measurement based on vision and high - speed 3d vision. and above all, it plays an important role in the development of information technology on machine vision and its application in engineer

    該三維測量系統採用的顏色編碼方法，能以攝像機幀頻速度採集全幀深度圖像數據，具有高速、高效、高分辯力等的優點，為實現快速三維視覺和基於視覺的實時三維非接觸測量提供了新的方法和理論依據，對促進視覺信息技術發展、特別是視覺在工程中的應用具有重要作用。
  9. The input data of the multiplexing adopts 8 channels with the speed of 2mb / s, and those of the last two channels are " 0 " and " 1 " respectively, in order to improve the transimision effeciency and deminish the complexity of encode and electronic circuit concerned, furthermore, it makes the synchronous signal acquisition more easier

    數字復接中採用八路2m口數據輸入，其中后兩路採用直接輸入「 0 」碼或「 1 」碼的方法，提高了信息傳輸的有效性，便於提取幀同步碼，降低了編譯碼過程的復雜性，同時也降低了系統的電路復雜程度。
  10. In tracking section, we still adopt the snake to converge on the object contour by improving the energy functions, in the tracking frame, initial points are acquired by calculating the average inter - frame motion vector of the block, because all snaxels have approximately the same motion vector as the moving object is proposed to be rigid and have no salient deformation

    跟蹤部分：根據剛體運動的特點（運動區域具有一致性和不發生較大的形變）求出運動目標的平均位移矢量，與在分割部分求出的目標的輪廓點的位置相加，作為下一幀跟蹤的初始輪廓點，結合改進的snake能量函數使其更精確地收斂到運動目標輪廓上，達到準確跟蹤的效果。
  11. Exploiting the frame coherence, the display of large scale texture is reduced to a caching problem in which texture memory serves as the primary cache for texture data, main memory the secondary cache, and local disk the tertiary cache

    利用相鄰幀之問的連貫性，大規模的紋理映射歸結為紋理數據在各個存儲之間的調度問題，從硬盤到系統內存及系統內存到紋理內存，通過各個層次的存儲器，能夠有效地執行遠遠超出紋理內存的大規模紋理映射。
  12. 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。
  13. The standard is designed to give a new technical solution for a broad range of applications, such as very low bit rate conversational services and entertainment quality broadcast, interactive video - on - demand services etc. for the enhancement of the coding efficiencies, the new standard adopts new tools as following : multiple reference pictures, variable block - size with seven block sizes in motion prediction, quarter - pixel accuracy for motion vector, short word - length integer transform, context - adaptive entropy coding and loop filter deblocking

    H . 264 / avc標準支持從低帶寬、高誤碼率的無線移動視頻通信到高帶寬、低誤碼率的有線視頻廣播等多種應用，因此，日益受到業界的關注。為了實現更高的編碼效率， h . 264 / avc標準採用了很多新的編碼技術，如多參考幀預測、多尺寸編碼塊模式、 1 / 4像素精度運動矢量、整數變換量化、基於內容的熵編碼、新型幀內預測、去除方塊效應的濾波器等。
  14. Animation presets save any combination of animation parameters ? including transformations, masks, expressions, effects, and text ? as animation presets to quickly reuse without setting keyframes

    保留一個動畫製作時的所有參數，如變形、遮罩、表達式、特效和文本，能大大提高下一個動畫製作效率，甚至不用再設關鍵幀。
  15. 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。
  16. In order to acquire 3d spatial position and motion parameters of moving target, the limitation of second focus method to get the depth of target is analyzed according to perspective projection model of target centroid. then, the constraint for obtaining 3d position and motion parameters of moving target centroid from monocular image sequence is presented and proved in this paper. with this constraint, a nonlinear extended kalman filter algorithm for estimating 3d spatial position and motion parameters of moving target centroid from monocular image sequence is proposed

    進一步，為獲取目標的空間位置和運動參數等三維信息，在目標和成像系統都運動的情況下，根據目標質心的透視投影成像模型，首先分析了二次成像法獲取目標深度信息的缺陷；然後給出了由單目序列圖像獲取目標質心的空間位置和運動參數的條件，並提出利用多幀單目序列圖像和應用非線性擴展卡爾曼濾波演算法來估計目標質心的空間位置和運動參數；最後對提出的估計方法進行了多組模擬驗證，證明該方法可行有效。
  17. In this paper, the method of in - bore abnormal phenomenon remote detecting is presented. considering of the multi - channel transient signals automatic acquisition, a project of pcm signal hardwire transmission data automatic acquire system is put forward. in this system, a pcm demodulate board is designed, it can decode the pcm code string which contain the information of the multi - channel transient signals, it also can catch the useful data automatically, and transmit these data to upper pc by rs485

    在該系統中，為了能夠解調出包含多路動態信號數據的高碼速率pcm信號，設計並製作了一種適用的pcm解調板，能夠從pcm碼流中恢復出位時鐘信號，從而與發送端保持位同步和幀同步，從而對pcm碼流可靠地解調、緩存，並能根據計算機設定的觸發條件自動地捕獲多路信號的有效段，然後利用rs485總線將這些數據可靠地遠傳至計算機以供顯示、分析和保存。
  18. The new algorithm has three characters : first is that the new algorithm is on the basis of super frame which include 3 continuous simple frames in melp algorithm, the algorithm deal with parameters of a super frame by the mode of the super frame. secondly, two algorithms are introduced for improving vector quantization quality of line spectral frequency ( lsf ) parameter. one is swithed - adaptive inter - frame vector prediction ( sivp ), which can get rid of the correlation between neighboring frames effectively, the other is joint codebook optimization for multi stage vector quantization ( jco - msvq ), which can improve performance of codebook

    第二是在製作線譜對參數（ lsf ）矢量量化碼本時，引入了目前提高lsf碼本性能的兩個方法:在利用重點幀對非重點幀作預測時，借鑒自適應幀間矢量量化（ sivp ）去除相關性演算法的優點，提出了以固定矩陣去除相關性的方法，有效的控制了預測后殘差的動態范圍，提高了對殘差矢量量化的精度;採用聯合碼本優化多級矢量量化演算法（ jco - msvq ） ，改良多級矢量量化碼本的性能。
  19. 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。
  20. 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。
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