進一幀 的英文怎麼說

中文拼音 [jìnyīzhèng]
進一幀 英文
forward one frame
  • 進 : 進構詞成分。
  • 幀 : 量詞（幅, 用於字畫）
  1. The bridge can continue push the dvb - c transport stream coming from the receive card to the universal media player to display online. in order to be compatible with the data rate in the bridge, the parser must have these functions : identifying the format of each elementary stream ( es ) ; repacketing the es frames or packets into small samples ; timestamping each sample for decoding and delivery by the arithmetic of getting the pts of an audio frame

    音視頻解析器的設計兼容了橋接器對數據推送的速率，在該解析器中通過「解析音視頻基本流」演算法來識別出每一個流的格式、每一幀數據，並對這些數據重新打包成一個個數據sample ，再通過「音頻pts的獲取」演算法給這些sample打上正確的「 directshow 」時間戳，最後在相應的輸出pin上進行發送。
  2. According to the aforementioned characteristics, the core algorithms proposed in this paper is that selection of frame / field is determined before encoding, where field coding is chosen when motion is acute, whereas, frame coding is chosen when motion is mild, and the coding scenario of the previous frame is applied for other circumstance

    基於上述特點，本文核心演算法為:編碼前進行決策，運動劇烈時選用場編碼，運動平緩時選用幀編碼，其他情況延續上一幀編碼方式。 ssd曲線一致性說明ssd的變化可以描述運動劇烈程度，但因其分佈鬆散，難以直接使用。
  3. In order to simulate the return, a radar coherent video echo model is used to simulate target echo, clutter and noise separately. then the three parts which are in the same range cell are added together to form a matrix to represent return in one radar coherent processing interval ( cpi ). this matrix is called a frame of range doppler data

    為了較為全面地對雷達回波進行模擬，採用相干視頻回波模型分別模擬雷達目標回波、雜波和噪聲，通過在距離單元內疊加的方法，將一個雷達相干處理周期內的回波數據用一幀距離多普勒平面數據表示。
  4. 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。
  5. Specifically ， dtm divides fiber pipe capacity into frames of 125 microseconds ， which are further divided into 64bit slots

    具體地講， dtm把光纖的通道容量分成125微秒的幀，而這些幀又進一步分成64位的隙。
  6. Also an algorithm which combines both model matching and feature matching is put forward. the algorithm uses the object contour in previous frame as the reference template of current frame. based on the fact that object has a continuous track in movement, object ’ s current position can be predicted based on previous position and then match the reference template around the predicted position

    該演算法將前一幀目標輪廓作為當前幀的參考模板，根據目標在運動過程中具有軌跡連續性的特點，利用目標過去的跟蹤點位置信息得到當前的預測位置點，然後在預測位置點周圍一定范圍內進行模型匹配，以與參考模板匹配值最大的輪廓作為當前幀的目標輪廓，並且把它更新作為下一幀的參考模板。
  7. However, most of the current wireless networks still work in low bandwidths, and mobile devices still suffer from weak computational power, short battery lifetime and limited display capability. therefore, this thesis deals with developing a very low bit - rate bi - level video coding technique, which can be used in video communications almost anywhere, anytime on any device as follows : ( 1 ) convert true color video sequences from ccd and video card to grayscale ones, ( 2 ) detect static region of successive frames by the sum of absolute differences ( sad ) and update current frame using static region of previous frame, to decrease flicker. ( 3 ) threshold the images to bi - level video sequences using ridler ' s iterative selection

    為此，本論文在傳統h . 26x和mpeg - x等視頻編解碼技術的基礎上提出了一種新的基於輪廓的視頻編解碼方案，步驟如下： （ 1 ）先把從ccd攝像頭捕捉到的視頻幀序列轉換成灰度幀序列， （ 2 ）在灰度幀序列的基礎上通過sad演算法找出相鄰幀的靜態區域，用前一幀的靜態區域更新當前幀的相應區域，這樣可以降低畫面閃爍， （ 3 ）然後用灰度直方圖迭代所產生的閾值二值化圖像，生成基於輪廓的視頻幀序列， （ 4 ）最後運用基於上下文的算術編碼技術對由第三步生成的二值化視頻幀序列進行算術編碼。
  8. When picture adaptive frame / field ( paff ) is utilized to interlaced sequences, two fields can be combined into one frame, which is encoded in frame coding ; besides, they can also be encoded in field coding separately. adopting field or frame coding can be determined by coding performance adaptively

    圖像級幀場自適應（ paff ）技術在處理隔行序列時，可將兩場合成一幀，按照幀編碼方式進行，也可以將其作為兩場分別編碼;採用幀或場編碼可根據編碼效果自適應選擇。
  9. In the part 2 of advanced audio video coding standard avs - p2, many efficient coding tools are adopted in motion compensation, such as new motion vector prediction, symmetric matching, quarter precision interpolation, etc. however, these new features enormously increase the computational complexity and the memory bandwidth requirement, which make motion compensation a difficult component in the implementation of the avs hdtv decoder

    在avs - p2中傳統的運動補償技術被進一步改進以獲得更好的編碼性能。這些新的特性包括：預測塊大小可變化1616到88基於矢量三角形的新型mv預測多參考幀最多2幀或4場直接或對稱模式匹配不限制的mv和1 4精度像素插值等。
  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. This thesis makes a fairly in - depth study on the basic techniques about the current svc algorithms by reading a lot of relevant references, including the svc system schemes and the techniques of various scalabilities. based on these knowledge, motion compensated temporal filtering ( mctf ) which is an effective method to eliminate temporal redundancy is researched, and mctf based on db2 wavelet is presented by studying the method of mctf using haar wavelet. the simulation proves that the low - pass frame is better than the haar one, it means that the temporal scalability is improved

    在此基礎上，本文研究了在時間可伸縮性中採用的一種有效方法:運動補償時域濾波（ mctf ）技術，並借鑒haar小波進行運動補償時域的方法，研究並實現了基於db2小波的運動補償時域濾波方法，模擬結果表明該方法比基於haar小波的方法得到了更高質量的低通幀，這也意味著在時間可伸縮性的處理上有了進一步的改善。
  12. For i - frame coding, existing coding standards only take use of information of itself, and for p - frame and b - frame, inter - frame information is used. however, there is still redundancy among those adjacent frames that are coded as i - frame

    然而事實上，相鄰多個i幀之間的信息上仍然也存在冗餘，本文的貢獻就在於利用了i幀間的冗餘進行幀間編碼，從而進一步提高了編碼性能。
  13. But the present video compressing software has not made segmentation on video. they simply partition the frame of a video into 8 * 8 blocks and then code the 8 * 8 blocks respectively. this has n ' t achieved the performance that mpeg - 4 standard expects

    然而現在的視頻壓縮軟體都是基於幀的，即沒有進行視頻分割，直接將每一幀作為一個視頻對象進行編碼，這顯然沒有真正實現mpeg - 4標準中面向對象的編碼思想。
  14. We decompose an image through the wavelet transform functions made by us, the original image can be better restored, and the experiment of single image shows the compressing rate is 50 : 1. the compressing efficiency is further improved

    用所構造的小波變換把圖像分解后，能比較好地恢復出原始圖像，從單幀圖像的實驗說明壓縮比可達50 : 1 ，進一步提高了壓縮效率。
  15. Finally, the method of dim small target detection and tracking based on the wavelet transform and mathematical morphology is described, which increases the image of target and gets rid of the noise which is high frequency, then, making use of information of inter - frame, it tracks the target more effective

    該方法首先利用了小波變換和形態學的原理，將小波變換和數學形態學結合對圖像作預處理，濾除圖像背景中的大部分高頻噪聲，增強了目標圖像。進而再利用目標的幀間信息，對目標區域作幀相關，進一步確認目標。
  16. The heart of this algorithm is to track at least four fiducial points from frame to frame that construct the affine frame, and thus the occlusion contours between virtual and real objects can be reconstructed and reprojected

    演算法的核心是在每一幀圖像中追蹤至少四個基準點，構成仿射基，進而對虛擬物體與真實物體之間的遮擋輪廓進行重建和重投影。
  17. High - speed frame - synchronizer is an absolutely necessarily key device of the remote sensing satellite ' s ground - receiving system. it is mainly used to format the high - speed data stream, so that computer can get the beginning address of every frame of the high - speed data stream, and then data stream would be send to computer for pretreatment through high - speed interface

    高速幀同步格式化器是遙感衛星地面接收系統中必不可少的關鍵設備之一，主要將從衛星接收到的高速數碼流格式化，使計算機得以辨識每一幀的起始位置，然後將數碼流經高速介面進入計算機進行預處理。
  18. When the egg - reached signal is sent to pc, through i / o card, the pc drives the video card to capture one frame picture to ram. after a series of mathematical analysis, the pc send the yolk color ' s or egg size ' s grading signals to outer signal delayed controller by i / o card again. last, the controller sends the delayed signals to outer execute equipment to finish classifying

    蛋已到達光室的控制信號由數字量i o卡輸入到計算機；計算機通過對埠的查詢獲知這一信號后立刻驅動圖像採集卡將當前光室中的一幀圖像採集到主機內存中，進行相應的計算分析后將光室中鴨蛋蛋芯顏色或大小分級信號再經由數字量輸入輸出卡，送至外部信號延時控制器；控制器將此信號延時後送至外部執行機構，完成分級動作。
  19. In this new protocol : 1 ) channel reservation decision and the event of hearing rts / cts are separated ; 2 ) channel reservation rules are newly redesigned ; 3 ) two items are added into rts / cts frame for nodes to make a channel reservation decision ; 4 ) a new signaling frame, beam pattern change ( bpc ) frame, is adopted in order to release the protocol aggressiveness

    該協議所做出的改進有: 1 ）通道預留判決不再與是否收到rts / cts幀直接相關; 2 ）通道預留判決的觸發時機以及具體規則被重新設計; 3 ）在rts / cts幀加入了兩項新的內容方便節點做通道預留判決; 4 ）增加了一條新的信令幀bpc （ beampatternchange ）幀，用於進一步釋放協議積極性。
  20. 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。
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