角點法 的英文怎麼說
中文拼音 [jiǎodiǎnfǎ]
角點法
英文
corner-points method-
A new approach to extract corners on the boundary was proposed. theoretical and experimental show that the algorithm is antinoise strongly and the corners are stabile
摘要給出兩種新的提取圖像邊界角點的新方法。理論和實驗表明,演算法具有較強的抗噪性,而且提取出的角點穩定。Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells
同時給出了利用這些參數判別邊界角點,邊界光滑段的判據,以及估算曲率半徑,等效周長的方法;最後,以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算法的可行性,該演算法在採集到的30餘組粘連和缺損細胞上進行了驗證,結果表明,該演算法處理速度快,分割效果良好。Other algorithms analyze the overall ridge flow ? the oddly beautiful loops, whorls and deltas ? to decipher any smudgy parts of the image
其他演演算法則會分析整體脊紋的紋路(奇怪而漂亮的環紋、螺紋和三角點) ,解出影像中任何臟污的部份。In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect
在解決多曲面有角點的拼接問題中引入了運籌學的優化方法,改善了多曲面拼接的效果,而且在ugii造型軟體的基礎上,用visualc + + 、 ug / openapi進行二次開發,加入了壞點剔除,曲線光順,曲面片之間的拼接等功能,很好的解決了反求工程中所遇到的問題。Firstly, based on the analysis of the principle of the capacitor discharge ignition system in the gasline engine and the characteristics of ignition parameters in the gasline engine, the author proposes the methods of ignition parameters measurement, including the speed of the gasline engine, ignition advance angle, ignition voltage, ignition current and igniton energy
首先,在認真分析汽油機電容放電點火系統的工作原理及其點火參數的特性的基礎上,提出了汽油機轉速、點火提前角、點火電壓、點火電流和點火能量的測量方法。The author considers that we should pay more attentions on the research about the investments in service sector. ? section ii, titled as " a general review about iilsi ", analyses iilsi " s definition, features, legal sources, scope of research and its relations with other legal branches
2為「國際航運投資法概述」 ,從理論角度分析了國際航運投資法的定義、特點、法律淵源、研究范圍,以及與國際經濟法、國際投資法、國際貿易法、海商法之間的關系。The author considers that we should pay more attentions on the research about the investments in service sector 2 section ii, titled as " a general review about iilsi ", analyses iilsi ' s definition, features, legal sources, scope of research and its relations with other legal branches
第二節為「國際航運投資法概述」 ,從法學理論角度分析了國際航運投資法的定義、特點、法律淵源、研究范圍,以及與國際經濟法、國際投資法、國際貿易法、海商法之間的關系。In this example the method of angles has numerical advantage over that of directions.
在這個例子中,角度法比方向法有數值上的優點。A matching method of stereo image based on corner feature
基於角點特徵的立體圖像匹配方法A new algorithm of subpixel corner detection
亞像素級標定角點提取新演算法The method first applies a wavelet transform to the contour direction, then it extracts local magnitude maxima as corner candidates
該方法先對輪廓上各點的切向方向進行小波變換,然後提取出變換幅度的局域最大值點作為待定角點。Secondly, concerning the feature extraction of image, the corner detection algorithm based on freeman chain and the one based on area ratio are studied comparatively and an improved corner detection algorithm based on area ratio is proposed
第二,在圖像的特徵提取方面,本文對freeman鏈碼角點檢測方法和面積比角點檢測方法進行了比較研究,提出了一種改進的面積比角點檢測方法。In the analysis of the frequent spectrum and the reflection coefficients, based on goda ' s two - points method which fit to the normal incident wave, a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction
為了分析單向不規則波入射波的頻率譜和反射系數,本文在goda用於分析正向不規則波的兩點法的基礎上,提出了可用於斜向不規則波頻譜分離及其反射系數計算的改進兩點法,該方法可用於計算任意波浪入射角的入、反射波譜、總體反射系數和反射系數的頻率譜,並且測量波浪過程的兩浪高儀可在較廣的方向范圍內布置。The main results in this paper as follows : first, a prototype of a shape - based image database retrieval system is completed, it can receive the query mode both by giving an example image and by sketching the desired object on the screen, second, five shape - based image retrieval methods are realized ; third, an algorithm based on triangulation for shape - based image retrieval is brought forward. in this algorithm, firstly, the edge of the original image is followed and the candidate corners in the original image are detected. then the counterpoints of the candidate corners in the result of edge follow are found, and the boundary corners whose counterpoints have been found are queued in the order of their counterpoints in edge follow
同時本文中主要完成了以下三方面的工作:完成了一個基於形狀特徵的圖象檢索的原型系統,可實現例子圖象或徒手繪草圖兩種查詢方式;實現了五種利用形狀特徵進行圖象檢索的具體方法,並對其進行了分析比較;並且在繼承將三角剖分引入形狀檢索的思想基礎上提出了利用三角剖分進行形狀檢索的一種新演算法:先對原圖象進行邊界跟蹤和角點檢測;然後尋找初始角點在邊界跟蹤中的對應點,並對找到對應點的角點按其對應點在邊界跟蹤中的順序進行排序;再對排序后的角點進行德洛內三角剖分,得到能表示目標真實形狀的三角形序列;最後計算三角形序列的角度直方圖作為形狀特徵,並進行相似性匹配。In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan
本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數,指定送端系統和受端系統中參考調節的發電機,指定故障集情況下,以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件,採用內點法和行主元約當逐行消去法求解問題的最優解。Firstly in this part, computer simulation methodology based on the baecher model for generating network of discrete fractures was presented, which includes the follow details : probability distributions of fracture density, orientation, trace length, size, and aperture and estimation of their statistical parameters ; stochastic models of fracture network ; monte - carlo ' s simulation method ; numerical simulation procedure and technicality. then, boundary element method was used to calculate flow through the generated fractured network. assuming single fracture as a two - dimension inexpressible isotropic porous media, boundary element method equations for flow in single fracture and then in fracture network were derived using the weighted residual method
給出了離散裂隙網路模型所依據的基本假定;發展了基於baecher模型的離散裂隙網路計算機隨機生成技術:詳細地推導了單裂隙滲流和多裂隙相交網路滲流的邊界單元法公式,發展了離散裂隙網路中穩態滲流的邊界元數值技術,並且討論了相關的具體數值技術細節,如角點的處理方法,單元的自動剖分等:描述了混合邊界元?管流模擬方法及其數值實現;研究了裂隙網路的簡化方法,並針對裂隙網路邊界元法的特點提出了一種改進的分塊三角分解法。The dynamic response of antisymmetric angle - ply laminated plates was calculated by using the method of spline collocation in time domain
提出用加權殘值法中的時域樣條配點法對反對稱角鋪設層合板進行動力響應計算。The research about the non - invasive inspection of pcb that is based on ir image is introduced. the detection principle, the components of hardware and software are introduced in this paper. some key technical problems and the project of software are presented in detail : graphics of user interface ( gui ) of the projection, gray scale transformation ( gst ), image contour extraction through edge detection algorithm based on the approaching contour optimization, image registration based on corner detection, the position of hidden trouble pcb through add - minus algorithm image
本文介紹了利用紅外圖像對印製電路板進行不接觸式故障檢測的系統研究,主要介紹了本系統的檢測原理,硬體組成及軟體的製作,其中詳細地介紹了軟體的製作過程以及其中的幾個關鍵部分:本系統的人機交互界面;圖像的灰度轉換;基於最優輪廓逼近的邊緣提取演算法進行輪廓提取;基於角點檢測的圖像配準;用差影法得到故障電路板的故障隱患或故障部位。The tangent of the angle which is correspond with the feature point is the first feature invariant, and the three sides ' ratio of the triangle is the second feature invariant
該方法根據三角不等式原理利用第三邊與另外兩邊之和的比值大小來確定角點,以特徵點和它相鄰的兩個特徵點所形成的兩條直線的夾角正切值以及三角形第三邊與另兩邊和的比值作為特徵不變量。分享友人