逆推計演算法 的英文怎麼說
中文拼音 [nìtuījìyǎnsuànfǎ]
逆推計演算法
英文
backward pass- 逆 : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 演 : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
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Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created
採用多解析度技術構造紋理無縫拼接圖,然後把三維網格模型投影到圓柱面上並展開,根據二維圖象變形技術中特徵點匹配演算法的數學思想,將匹配公式進行改進后應用於模型網格點的適配,在作了一定假設后推導出逆向圓柱映射的計算公式,再將適配后的柱面網格映射回去,最後進行紋理映射生成真實感的特定人臉的三維模型。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one
從代價函數的梯度入手推導出共軛梯度演算法,其搜索方向保持不變而搜索步長變小,使濾波系數更加退近於點擴展函數逆運算元,從而使估計圖像與原始圖像更加接近。The recursive algorithms of restricted, increased, decreased mode are deduced without the calculation of the inversion
分別導出了rkrls和rsvm演算法在限定、增長和縮減記憶模式下的遞推公式,均無需進行求逆計算。Two - stage algorithms of parameter estimation for the autoregressive moving average ( arma ) models are presented, which are called two - stage recursive least squares algorithm ( 2 - rls ) and recursive least squares - pseudoinverse algorithm ( rls - pi )
本文提出了自回歸滑動平均( arma )模型的兩段參數估計演算法:兩段遞推最小二乘演算法( 2 - rls )和遞推最小二乘-偽逆演算法( rls - pi ) 。( 5 ) a series of design methods of classifiers are proposed, including the classifier based on the generalized inverse and the probabilistic reasoning method ( prm ), a new self - adaptive kohonen clustering network which overcomes the shortcomings of the conventional clustering algorithms, and the fuzzy neural classifier. the experimental study efface recognition is presented based on the combination of multi - feature multi - classifier. ( 6 ) this paper proposes a hybrid feature extraction method for face recognition, which is a combination of the eigen matrix, fisher discriminant analysis, and the generalized optimal set of discriminant vectors
( 5 )對圖象分類器設計方法進行研究,主要包括:提出了一種基於廣義逆和概率推理的分類器設計方法;提出了一種新的自適應模糊聚類演算法;提出了基於模糊神經網路的分類器設計方法;並對多特徵多分類器組合方法在人臉識別中進行實驗研究; ( 6 )提出了一種只要一個訓練樣本就能解決人臉識別問題的新方法,該方法結合了特徵矩陣、 fisher最優鑒別分析和廣義最優鑒別分析方法的優點。This paper studies the method of innovative design of the scheme of hybrid turning and milling machine tool. it mainly includes the following innovative work : ( l ) a innovative scheme of the hybrid turning and milling machine tool are designed in this paper based on the study of methods of the movement - function innovation and the. design of the whole structure and the parallel mechanism theory. this scheme have the function of milling with five axis simultaneously and turning with three axis simultaneously ; ( 2 ) a design example of this machine too is given out ; ( 3 ) this paper solves the positive position solution, the inverse position solution and the passive joints solution of the fixed length 3 - prs parallel mechanism of the machine tool ; ( 4 ) simulation tests of movement function and solution methods are given out by the simulation method of virtual machine
論文對混聯式車銑復合加工中心方案創新設計技術進行了探討研究,完成的主要創新性工作有: ( 1 )論文在研究機床運動功能創成方法、總體結構方案設計方法和並聯機構的基礎上,設計出一種混聯式車銑復合加工中心的創成方案,該方案可以實現5軸聯動銑削加工和3軸聯動的車削加工功能; ( 2 )給出了實現該方案的設計實例; ( 3 )推導了該車銑復合加工中心的定桿長並聯機構3 - prs的位置逆解、位置正解和被動關節求解演算法; ( 4 )應用虛擬樣機模擬方法進行了運動功能及求解演算法的模擬試驗。Abstract : a design method of a multi - variable inferential controller based on anew performance index is proposed. the inferential controller uses a v type control structure to avoid inverse transformation of rectangle arriving. this multi - variable inferential control system has the characteristic of simple calculation and only an adjustable parameter q array. this control system output gets the performance of dynamic decoupling of the mutivarable system
文摘:在一種新的性能指標下,提出了一種多變量推理控制器的設計方法,該控制器採用的v規范型控制器結構避免了傳遞函數矩陣求逆問題.該類多變量推理控制系統的特點是演算法簡單、僅具有一個可調參數矩陣q ,該系統實現了多變量系統的動態接耦For moving targets, the quasi - gauss - newton and trust region visual servoing control strategies are deduced based on pseudo - inverse estimation of image jacobian matrix
針對運動目標,推導了基於圖像雅可比矩陣偽逆估計的偽高斯牛頓視覺伺服演算法和信任區視覺伺服演算法。Based on the classical least squares method ( rls ) in system identification, the several new identification algorithms of parameter estimation for the autoregressive moving average ( arma ) model, are presented. they include univariable and multivariable two - stage recursive least squares - recursive extended least squares ( rls - rels ) and two - stage recursive least squares - pseudo - inverse ( rls - pi ) algorithms
本文在系統辨識經典的最小二乘法( rls )的基礎上,提出了自回歸滑動平均( arma )模型參數估計的一些新的辨識演算法,它包括單變量和多變量兩段遞推最小二乘?遞推增廣最小二乘( rls ? rels )演算法和兩段遞推最小二乘?偽逆( rls ? pi )演算法等。分享友人