迭線圖 的英文怎麼說
中文拼音 [diěxiàntú]
迭線圖
英文
iterated line graph-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。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。Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve
建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型,通過對非線性方程組的迭代求解,得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數,得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形,並求得了瞬時傳動比的誤差曲線。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求The problem is researched and the algorithm which calculates the intersection points of two graphs created by the same coefficient of the ifs is proposed. the curve described changing of the intersection points number is drawn. the conc lusion is that the curve fluctuates in the tiny range and is smooth when it is seen as a whole
其次,針對同一ifs迭代碼兩次迭代繪制得到的分形圖並非完全相同這一問題展開研究,提出了ifs分形覆蓋相交交點變化曲線的概念,給出了覆蓋相交交點變化曲線的繪制演算法,在此基礎上進一步研究了分形覆蓋相交交點變化曲線的變化率情況,得到了分形覆蓋相交交點變化曲線宏觀上比較光滑,但實際上小范圍內異常波動的實驗結果。Research on the intersection property of the graphs created by the same coefficients of iterated function system
迭代函數系統分形圖覆蓋相交曲線及其變化率的研究It is shown that a system of linear equations is resolved to obtain the rotational parameters by using of seven couple of conic curves in image sequences when the motion of a rigid object is pure rotational. when the motion of a rigid object is pure translation, a system of non - linear equations is resolved using iterative method, or using the method for resolving quartic equation. the translation parameters with a scale factor may be determined and the translation direction can be obtained
研究結果表明,在純旋轉運動分析中,最少利用圖像序列中7條對應二次曲線,可以線性地求解剛體旋轉運動參數;在純平移運動分析中,只需利用圖像序列中1條對應二次曲線就可以求解剛體相對平移運動參數(即平移方向) ,分別用非線性迭代法和一元四次方程解法求解了剛體相對平移運動參數(即平移方向) 。Main contents as follows : a series of concepts and theorem involved in the paper on chaotic dynamical systems are discussed, such as dynamical systems, optimization arithmetic, phase space & orbit, li - york law, chaos control and so on. in order to understand chaos theory, chaotic evolving law of logistic equation is addressed in detail. logistic equation is a simple nonlinear dissipative system
包括: ( 1 ) logistic非線性迭代方程的分岔; ( 2 )分岔圖的標度性和自相似性; ( 3 )一維lyapunov指數計算方法; ( 4 )控制參量對系統演化的作用; ( 5 )初值敏感性數值模擬; ( 6 )其它幾種非線性系統的混沌演化特性測試。During segmentation of the bridge image, this paper synthetically thinks over the advantages of self - adapted selection threshold and iterative selection threshold, and presents own self - adapted iterative selection threshold. what ' s more the variance of the infrared image is neatly applied to the visible image. at the time of beeline extraction, this paper mends hough transformation, and use novel method, which reasons the information gamed from the transformation field into the image field, to eliminate the inability to locate beeline of hough transformation
做橋梁識別,進行圖像分割的時候,本文結合了自適應閾值選擇演算法與迭代閾值選擇演算法的優點,提出了自適應迭代閾值選擇演算法,同時把紅外圖像中的方差圖引入到可見光圖像的處理中;在圖像中提取直線的時候,對hough變換進行了一些改進,同時針對其不能定位的缺點,使用了把變換域得到的信息反推到圖像域的方法,解決了這個問題。On the basis of the geochemistry digital model arithmetic of triangulated irregular network, i change the arithmetic of auto - tracing isoline. in process of auto - tracing isoline, the proplem of tracing - crossand and mini - heave was resolved. the isoline is smoothec by linear overlap algorithm. in addtion, the model can build other unit of map such as extramum point, polygon
在不規則三角網數字模型的基礎上,改進並實現了等值線生成演算法,解決了等值線生成中的分叉問題,解決了等值線上的小凸起問題;對等值線採用線性迭代演算法進行了圓滑處理;提出延伸三角網演算法,用於實現了開等值線的閉合;生成用於地學分析的區域圖元,等值線圖元,極值點圖元等。So it is available to reconstruct moderate and large image by using either parallel or divergent projection data, as well as the data collected at series arbitrary sampled angles and sampled radii. and it does not require the storage of projection matrix, compared with the conventional art. the numerical results show that mart reconstructs image with fast speed, high resolution and sligh artifacts
利用分塊迭代的快速art方法,對x射線工業ct實采投影數據進行圖像重建,並與fbp方法、經典art方法重建的圖像進行了比較,測試結果表明:該方法重建圖像精度高,偽影輕,並有較高的密度解析度和空間解析度,較經典art方法重建速度快。A llmmse filter is designed to reduce noise based on the noise model to improve snr of images. making use of the shape and lightness characters of feature points to detect the feature p oints from images. because the accuracy of feature imaging point ' s centroid has close relationship with measuring accuracy, an algorithm based on iteration of the center of the track window is used to improve the measurement accuracy
圍繞著提高測量精度的要求,分析了影響ccd圖像質量的三類隨機噪聲,建立局部統計特性為高斯分佈的簡化圖像噪聲模型,利用線性最小均方誤差濾波器對圖像進行預處理,而後根據特徵點的亮度和形狀特徵對特徵像點進行檢測,進一步在特徵像點的匹配中採用自適應的質心迭代演算法提高跟蹤精度。A new system of nonlinear equations can be formed from the variation gray of same point in multiple images and the optimum solution of the system can be obtained, so that the normal vector at that point of the surface can be defined. then we can get the surface height at the point by applying composite numerical integration. according to variational calculus and finite difference method, the fitted surface is further iterated and modified, so the reconstruction error can be reduced
根據多幅圖像上固定位置一點灰度值的變化列多個非線性方程,通過求解該非線性方程組,確定出各選取點的法向量;然後通過復化積分確定選取點的高度值,並利用變分和有限差分思想對所得表面進行進一步的迭代和修正,以減小重構誤差。分享友人