直線后緣 的英文怎麼說
中文拼音 [zhíxiànhòuyuán]
直線后緣
英文
straight trailing edge-
These properties make them ideal candidates for use in structure from motion algorithms. some known methods of line segment are integrated and an improved method is given. canny edge detector is used in this method to get edge, link the edge using freeman chain code, and then gradually delete useless chain code
首先綜合邊緣直線分割的研究成果，給出了改進后的邊緣直線分割方法，該方法以圖像邊緣的鏈碼表示為基礎，逐步刪除對完成計算機視覺任務沒有意義的鏈碼，並用最小二乘法擬合成圖像直線。The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied
本文工作分為四個部分：第一部分是水槽實驗部分，它為后續的工作提供了可靠的圖像數據信息；第二部分是基於zom距的直線、曲線邊緣提取技術及相關的與處理技術；第三部分，水下攝像機標定技術研究，基於改進的tsai演算法，採用逐步分解的標定策略。並探討了一種相對簡單的、靈活的標定技術；第四部分是攝像機定位技術研究，採用具有平移不變性的交比進行攝像機定位，模擬試驗的最大誤差不超過2 ，效果還是令人滿意的。When the width of the foundation is smaller, the friction force is firstly increased from zero at the central area of the foundation, then decreased to zero at the edges of the foundation, hence there is a peak ; when the width of the foundation and the thickness of the soft ground is larger, the frication force is almost zero from the central area of the foundation to a certain distance, then increased, at last decreased to zero at the edges of the foundation, therefore there is a peak ; and when the width of the foundation is larger and the thickness of the soft ground is smaller, the friction force is firstly increased from zero at the central area of the foundation in the negative direction, then decreased to zero, so there is a negative peak, then increases in the positive direction, eventually decreased to zero at the edges of the foundation, hence there is a positive peak
當基礎寬度較小時，從中心線為零處開始增加，達到峰值后，開始減小，直至基底邊緣處為零；當基礎寬度和軟土地基厚度較大時，從中心線處開始，向外側延伸一定距離，幾乎為零，然後開始增加，達到峰值后，開始減小，直至基底邊緣處為零；當基礎寬度較大，並且軟土地基厚度較小時，從中心線為零處開始反向增加，達到反向峰值后，然後反向減小，減小到零后，逐漸正向增加，達到峰值后，再逐漸減小，直至基底邊緣處為零。The soil erosion has become more and more intensive horizontally from the ridge to the center of the shallow gully. the soil erosion intensifies, and then weakens vertically from the divide to the edge of the gully
在水平方向上，由淺溝分水脊經淺溝溝坡到淺溝中心， 7be和』 37cs復合示蹤坡耕地土壤侵蝕產沙的空間分佈特徵土壤侵蝕強度逐漸增強;在垂直方向上，從分水嶺到溝緣線土壤侵蝕強度呈先加強后減弱的趨勢。Measurements for the following anatomical structures were obtained with the aid of a microscope, the distance between mastoid process and transverse process of the atlas, occipital condyle, and superior lateral loop ; the distances between the midline and the v3 at three levels : 1 ) the distal ( dural ) ring ; 2 ) the intersection with the anterior ramus of the c - 2 ; and 3 ) the upper level of the transverse foramen of the atlas ; the diameter of v3h at the origin of the muscular artery and at the sites of penetrating the dural ring ; the width of the v3 at the intersection with the anterior ramus of the c - 2 and at the sites of penetrating the transverse foramen of the atlas
V _ 3h和v _ 3v各有兩個分支： v _ 3h分出肌動脈支和腦膜后動脈支； v _ 3v分出肌動脈支和根肌動脈支，第一、二脊神經發出的前後支分別與它們又毗鄰關系。通過手術顯微鏡測量下述解剖結構：乳突尖與環椎橫突尖、枕髁外側緣、 v _ 3上外側袢的距離；椎動脈v _ 3段在穿硬膜環、與第二頸神經前支交叉、環椎橫突孔上緣三處與中線的距離； v _ 3h在發出肌支處和穿硬膜天渾醫科大學碩士研究主學位論文環處的直徑； v3v在與第二頸神經前支交叉處和穿環椎橫突孔處的直徑。And the points correspondences can gained by hough transform. at last it can gain the position parameters of the main camera
圖像邊緣檢測后進行hongh變換獲取直線方程，在hough變換的基礎上提出快速hough變換檢測直線提高計算速度。The found edge points are then applied to the line fitting tool which fits an infinite length line to the points. the fitted line is hown in figure 6
將找到的邊緣點應用於擬合工具，進而形成一條無限長的直線。擬合后的直線如圖六所示。Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。Simulation result shows our approach can highly improve the connectivity and the accuracy of the image boundaries quickly and easily. ideally, the methods discussed in the previous section should yield pixels lying only on edges. edge connection is an important post - process technique of image edge extraction and image segmentation
完成邊緣點的檢測后，為了得到能夠表現物體基元的邊緣鏈，我們需要進行邊緣連接的工作? ?將邊緣點連接成有意義的直線或曲線段，得到物體外部的閉合輪廓，進行圖像分割。After histogram transform, enhancement, smoothing, pre - segmentation, edge extraction and thinning, we get an image with clear edges. after extracting of feature units, we describe the shape of airports with straight - line segments and distinguish different objects with the length of the lines, which can achieve the computer - aided auto - recognition of airports
經過直方圖變換、圖象增強、圖象平滑、圖象預分割、邊緣提取和細化后，得到了清晰的邊緣信息圖象，通過特徵基元的提取和識別，用直線段來描述直線狀目標，而用直線段的長度來作為目標定量特徵的描述，可以實現遙感影像機場目標的計算機識別。E xperiments show that the amended method is better than that in reference 12. as the same time the method can combine with the wavelet transformation to locate the characters. by multi - resolution analysis and pyramid decomposition, the edge components with different spatial resolutions and different directions can be acquired, among which, the detail components have the most distinguished texture features standing for the object region, then by further morphological operations, the useless information is greatly decreased and the last object text region is acquired
分析了各個方向邊緣經小波變換后的特點，用具有良好時頻局部和變尺度特徵的小波分析方法提取出不同空間解析度，水平和垂直及對角線方向的邊緣子圖像，把滿足水平和垂直方向能量閾值區域進行合併，經過去噪后，用對角線方向能量閾值即高高頻能量作為判斷標準，確定是否是真正的字元區。We sample from parallel edges in equal distance, and we sample again from sample points set by slope and get fitting points set, then we use least square method to fit straight line with the fitting points set. the edges of paper currency image can be detected accurately and quickly by above method, and it is valid to some image with a certain defection
邊緣檢測採用了對平行邊緣整體等間隔抽樣，根據斜率對抽樣點集進行再次抽樣后得到擬和點集，用最小二乘法根據擬和點集擬和直線的方法，可以快速精確的檢測到紙幣邊緣，並且能夠處理邊緣有一定程度殘缺的紙幣圖像。The welding path recognition system was developed with delphi 7. 0 in the environment of windows2000, which functions include filtering, sharpening, binarization and edge detecting. the straight line and curve can be identified through hough transform and line approximation method and the results are saved for nc auto programming
能夠對從ccd傳感器攝取的焊接軌跡圖像進行濾波、銳化、二值處理、邊緣檢測等圖像處理工作，並通過分別通過hough變換、直線段逼近演算法完成對直線和曲線的識別，最後保存結果為后續nc自動編程提供數據。Assemble the dual lock fastener in alignment with 2. install the tailgate window glass in the same way the protrusion of the tailgate flange
與2校正成一直線后安裝上雙鎖扣;用同樣方法對正後擋板凸緣后安裝后擋板窗玻璃分享友人