擬合線圖 的英文怎麼說
中文拼音 [nǐgěxiàntú]
擬合線圖
英文
fitted line plot-
Sub pixel edge detection algorithm based on guadrativ curve fitting
基於二次曲線擬合的圖像亞像素邊緣定位演算法First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment
使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取拉伸方向和旋轉軸線,然後將數據點投影以獲取草圖數據,通過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓弧段擬合出草圖輪廓。It employs a series of processing methods. for example, it employs different method of threshold according to illumination and the characteristic of the dial plate ; employs the method of mathematic form filtering according to the thought of the line is the most important in image ; employs the method of beeline matching according to the characteristic of the line
此系統利用了圖像處理的基本思想,採用了一系列的處理方法,如根據照度及表盤特點採用了不同的二值化方法;根據圖像中線條最重要的思想對圖像的濾波採用了數學形態濾波方法;根據線條特點提出了利用直線擬合的方法等。The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum
第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing
在自動聚焦過程中,論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數,解決了是否正確聚焦的快速判斷問題;採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式,使聚焦速度和精度都得到了很大的提高。Abstract : based on the present possessed experimental data of steels with their different major chemical composition, this article formularized the calculation of linear expansion coefficients of fine carbon steels and low alloy constitutional steels through a series of alternate analysis, generalized statistics, curve superimposition and mathematical modeling
文摘:對優質碳素結構鋼和幾類低合金結構鋼,在現有實驗數據的基礎上,通過迭代分離、綜合統計、圖象分析和數學擬合,得出按鋼的主要化學成分確定其線膨脹系數的計算關系。Technicans are trying to find out a more reasonable point to describe work state of pump for some reasonless factors of this model, the key technology of developing ads is on adopting a means by using theoretical calculation and curve fitting to build a reasonable pump state graph model, the model " s rationality based relations between pump efficacy and sinking depth is illustrated by restrict programme argumenting
抽油增效輔助決策系統的開發,其關鍵技術在於採用理論計算及曲線擬合的辦法,建立合理的泵況圖模型,通過嚴格的方案論證闡明基於泵效-沉沒度關系的泵況圖模型的合理性。通過實際數據,檢驗模型的有效性。Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ; diagrams of curves of the velocity vector ( v ^ ) and ( vr ) at the different times in the different sections ; diagrams of the secondary flow vectors at the different times in the different sections
我們對兩種不同直徑的s型血管進行了有限元模擬計算,得到三種結果:在對稱面內不同時刻的軸向速度v _和徑向速度v _ r的合成矢量;在不同截面不同時刻的速度分量v _和v _ r的曲線圖;在不同截面不同時刻的二次流的矢量圖。First, this method decide the skew angle of a business card image according to four border fitting lines of the business card, then a method based on block move is provided to correct image and black border is erased based on position of border near - line
該方法先檢測出名片的四條邊緣擬合直線,由四條邊緣擬合直線的傾斜角度來確定名片圖像傾斜角度,然後採用逐段整塊搬移的方法來對圖像進行傾斜校正,再根據邊緣擬合直線位置去除黑邊。In this paper, presents a new measuring method of the braiding angle of composites for the edge image with computer based on curve fitting theory. the method can suppress noise and absolve the problem of the point of edge is not continue
本文在邊緣圖像的基礎上,根據復合材料自身的特點,提出了一種基於曲線擬合的編織角的自動測量方法,該方法能夠有效地解決噪聲、邊緣點不連續等問題。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。This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section
文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs (非均勻有理b樣條)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。Computer software system for hydrological data reorganization in irrigated area, which will be in common use, is developed firstly. in this system, the multi - curve ( including simple curve ) fitting equation and its graph can be generated automatically
首次研究開發出多曲線擬合(包括單曲線)自動生成曲線方程和圖形的較為通用的灌區水文資料整編計算機軟體系統,從而為灌區水文資料整編和管理向現代化方向邁進鋪平了道路。The second aspect is the study and application of fitting method after introducing curve fitting method, we will study least - squares procedure used frequently in engineering fields. in addition, we will encode according to item requirement and least - squares procedure algorithm, then using the data picked from image processing to fit the equation we needed
在介紹了曲線擬合方法之後,主要研究工程設計中常用的最小二乘法,根據課題要求以及最小二乘法的演算法要求編寫源碼,將圖像處理后採集來的數據擬合成所需要的方程。First, the paper introduces the basic knowledge of the image processing technique, emphasizes the image processing method that is used in the measur - ement system, such as edge detection operator, curve fitting algorithm, espe - cially hough change in detail, etc. second, the paper introduces the vc + + 6. 0 program language, analyses its peculiarity and advantage, explains the form of the image in the computer and dib visiting functions
首先,介紹了圖像處理方法的基礎知識,特別重點講述了在本系統中將會應用到的一些圖像處理方法,如邊緣檢測運算元、曲線擬合演算法等等,尤其是對于哈夫變換的方法,進行了詳細闡述。其次,介紹了本系統所應用的編程語言vc + + 6 . 0 ,分析了其特點和優點,並說明了模擬圖像數字化后,在計算機里的存儲格式以及相應的設備無關位圖訪問函數。By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality
摘要通過分析嚙合相位角幾何圖形的位置,推導出擺線針輪行星減速器中擺線輪實際工作范圍的理論公式,畫出了嚙合相位角函數的擬合曲線,並結合實際討論其函數曲線的工程意義。In this paper, a single - frame fringe analysis method is presented, in which subdivided fringe is modeled by linear phase and the coefficients are extracted by complex wavelet transform ( cwt )
摘要本文提出了利用復數小波變換對干涉圖象相位進行分塊線性擬合的一種新穎的單幀干涉圖象分析方法。Combined with practical data of shannxi lin hekou hydropower plant, the temperature filed of m and n schemes during construction and operation are simulated and analyzed. the isoline map of stable temperature field of the arch crest girder section and the vertical section in the center of arch dam, the isoline map of unstable temperature field of the arch crest girder section and the vertical section in the center of arch darn during construction and operation and the maximal and minimal temperature value during construction and operation are provided. the distribution law of temperature in the dam and the form reason of high - temperature zone are analyzed and the effect and feasibility of cooling and the zone of cooling are discussed
結合陜西藺河口水電站工程實際資料,對m方案和n方案溫度場進行了施工期和運行期全過程模擬計算分析,給出了拱冠梁剖面和壩體中心縱剖面準穩定溫度場等值線圖以及施工期、運行期拱冠梁剖面和壩體中心縱剖面非穩定溫度場等值線圖,提供了施工期逐月和運行期每年最高、最低溫度等成果,分析了壩體溫度分佈規律以及高溫區形成的原因,並探討了預埋冷卻水管的效果和可行性以及預埋冷卻水管的區域。The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods
而系統處理軟體的作用是:利用pc兼容機,將上述裝置的輸出信號( 1 )通過并行口輸入( 2 )記錄成文件( 3 )逐點顯示出來( 4 )可人工進行化簡,編輯(刪、改點)等( 5 )可在給定誤差范圍內進行人工擬合,用直線和圓弧取代原來的點,得到一個與原圖形的誤差在規定范圍內,又消除跟蹤過程中因受到各種干擾而造成的缺陷,由盡可能少而簡捷的數學曲線描述的圖形( 6 )把這些圖形轉化成用於編制數控線切割加工程序及autocad能夠識別的文件(主要指dxf格式) ( 7 )該軟體還有一定的加密措施。A obstacle diagnosing expert system of pu1 steamer fan electrical machine have been set up by using the expert system tool in the movex software and mechanical vibration frequency spectrum knowledge. for the purpose of more straight dealing with vibration frequency spectrum curve, a diagnostic knowledge disposing system is developed by using curve compare method and vc + + and matlab software
在機械設備故障診斷研究中,以pu1蒸汽風機發電機組為研究對象,結合movex軟體開發了基於機械振動譜圖知識的故障診斷專家系統,同時為了更加直觀地處理譜圖曲線,另行用vc + +與matlab軟體開發一套基於曲線擬合的機械設備故障診斷知識處理系統。分享友人