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centroid

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centroid n.[物]矩心；質心，質量中心(＝centre of m...

n. [物]矩心；質心，質量中心(＝centre of mass) 形心曲線；心跡線。 “area centroid“ 中文翻譯：   面積質心; 面質心“area， centroid of“ 中文翻譯：   面心“asymptote centroid“ 中文翻譯：   漸進中心“beam centroid“ 中文翻譯：   束流重心“centroid analysis“ 中文翻譯：   圖心分析“centroid axis“ 中文翻譯：   質量中心軸線形心軸線; 重心軸線“centroid cannon“ 中文翻譯：   窩心炮“centroid frequency“ 中文翻譯：   形心頻率“centroid horse“ 中文翻譯：   歸心馬“centroid line“ 中文翻譯：   形心線“centroid location“ 中文翻譯：   心跡線位置“centroid method“ 中文翻譯：   重心波長法; 重心法“centroid of area“ 中文翻譯：   面的矩心; 面積矩心; 面積形心; 面心; 形心“centroid of asymptotes“ 中文翻譯：   漸近線的形心“centroid of length“ 中文翻譯：   長度矩心“centroid of section“ 中文翻譯：   截面重心“centroid of stars“ 中文翻譯：   恒星群形心“centroid of volume“ 中文翻譯：   體積矩心; 體積質心“centroid pawn“ 中文翻譯：   花心兵“centroid point“ 中文翻譯：   形心點“centroid position“ 中文翻譯：   重心位置“centroid throat“ 中文翻譯：   花心“centroid track“ 中文翻譯：   電視中心跟蹤,電視形體跟蹤“centroid vector“ 中文翻譯：   質心向量, 分類向量“centrohelida“ 中文翻譯：   中太陽蟲目; 中陽目“centrograph“ 中文翻譯：   中心圖解法

The gaussian function set depends on its centroid and width , therefore , we derive new supervised gradient descent algorithms to tune the parameters of “ if - part “ of gaussian functions . it also tunes the “ then - part “ of gaussian function 高斯型函數是由它的中心和寬度兩個參數決定的，所以，我們給出新的有監督的梯度下降算法來調整如果部分高斯函數與則部分的高斯函數的中心和寬度。

Centroid : the “ center of gravity “ of the image of an object , defining the position of the object with subpixel precision 質心：圖片中一個目標的“質心” ，精確到比像素更高一級。

The gaussian function set depends on its centroid and width , therefore , we derive new supervised gradient descent algorithms to tune the parameters of “ if - part “ of gaussian functions . it also tunes the “ then - part “ of gaussian function 高斯型函數是由它的中心和寬度兩個參數決定的，所以，我們給出新的有監督的梯度下降算法來調整如果部分高斯函數與則部分的高斯函數的中心和寬度。

Centroid : the “ center of gravity “ of the image of an object , defining the position of the object with subpixel precision 質心：圖片中一個目標的“質心” ，精確到比像素更高一級。

centromere

We presented a novel method of searching for similar fragments of 3d curves , with this method , a hash vector is associated with each fixed - length fragments of 3d sherd . each vector consists of low frequence component of fourier - like spectrum for the distance between profile curve and the centroid 討論了基于hash矢量和fourier變換的輪廓曲線匹配方法，在匹配中不要求一段輪廓線與另外一段輪廓線完全匹配，而是把它們分成很多子段，再用這些子段來進行匹配。

Please do not paste labels or protective sheets on to the surface of the disks as it may warp and affect the centroid . the dvd recorder writer may not be able to play back as it will not recognize the disk . glitches may occur with noise entering the images and sound 在光碟上粘貼紙標簽或保護膜后，將影響到光碟的翹曲程度或重心，可能出現dvd刻錄機或寫入器無法正常識別無法播放以及圖像或聲音中夾帶雜音等不良情況。

Firstly , i built up simplify three - dimensional model and acquired the parameters of quantity , inertia and centroid . then i carried on the kinematics simulation in multi - body dynamics software adams , thus verified the accuracy of design scheme 首先,建立了搖擺臺的三維簡化裝配實體模型,獲得各關鍵零部件的質量、慣量和質心點位置等參數,并在多體動力學軟件adams中進行了運動學仿真,驗證了搖擺臺設計方案的正確性。

The used value of doppler centroid influence the imaging result very much , so it must be estimated precisely . the estimating methods contain time domain method and frequency domain method . time - frequency analysis method can be used to improve estimating precision 多普勒中心頻率的取值對成像效果有很大影響，必須精確估計，估計方法有時域方法及頻域方法，還可利用時頻分析方法提高估計精度是。

The stars map procession is the base of star sensor procession . the stars map bottom processing includes in distortion correction , stars map denoising and centroid extraction . it is basis of star identification and important to successful identification 星圖圖像底層處理主要包括星圖畸變分析與校正、星圖去噪以及星體質心提取等，它是進行星圖識別處理的基礎，它對于識別成功率具有重要意義。

To effectively extract edges , edge pixels are classified according to the difference of intensity distribution , and multiple effective edge features are defined . edges are detected by applying fuzzy reasoning ( min - max centroid method ) , based on local image edge characteristics 該方法在重新定義邊緣特征的基礎上，引入模糊推理理論，從而形成了基于多邊緣特征和模糊推理的邊緣檢測方法。

A measuring technique of geometric accuracy for the cross - sectional contours based on their shapes and centroids is presented , and the feature points are generated according to the offset value of each segment of a cross - sectional contour 摘要以切層輪廓的形狀因子和幾何形心作為輪廓精度的評價參數，根據各輪廓邊的偏置量自動拾取輪廓的特征點，尤其適合得到具有復雜形狀的切層輪廓特征點。

The gaussian function set depends on its centroid and width , therefore , we derive new supervised gradient descent algorithms to tune the parameters of “ if - part “ of gaussian functions . it also tunes the “ then - part “ of gaussian function 高斯型函數是由它的中心和寬度兩個參數決定的，所以，我們給出新的有監督的梯度下降算法來調整如果部分高斯函數與則部分的高斯函數的中心和寬度。

Draw the gait outline of people subtraction we received , and calculate the outline centroid . then we obtain n dots at the outline , calculating the normalized distances of the dots we obtained with the centroid , and the distances constitute the input vector 將步態檢測得到的人的剪影提取輪廓,計算輪廓質心。取得輪廓上若干點,把提取的邊界點與質心點的歸一化距離作為輸入向量。

Further image processing ( e . g . , histogram scaling , application of filters or deconvolution ) is not recommended for astrometric or photometric applications , because it will distort the centroids and flux of the objects in the image 其他的操作（如：柱狀圖縮放，濾鏡處理或去卷積）在天文測量或光度測量軟件中將不被推薦，因為這樣的操作會對目標星的光流量和聚焦中心產生誤差。

By analyzing the model of radio wave propagation loss , this paper provides a weighted centroid localization algorithm that uses coefficients , which are decided by the influence of beacons to unknown nodes , to prompt localization accuracy 文中通過對無線電傳播路徑損耗模型的分析，提出了加權質心定位算法，用信標節點對未知節點的不同影響力來確定加權因子，以提高定位精度。

Investigated results show that there exists an extreme large difference between the centroid acceleration of a rigid body and its true value when a projectile penetrates target , and the measured data should be reasonably processed according to different purposes 研究表明，在彈體侵徹目標時，剛體的彈體質心加速度與實際值相差好幾倍，數據處理時應根據具體目的分析。

As follow : 1 . two solutions of estimating the doppler centroid are put forward . we processe the doppler centroid estimation in the frequency domain and time domain . also this chapter discusses principle of the doppler centroid estimation 本文主要研究了多普勒參數估計及波數域算法,主要有以下幾個方面: 1 .闡述了多普勒質心估計的兩種方法:頻域估計法和時域估計法。

( 2 ) process the tomato and leave ' s pictures with the traditional image processing method and look for the rough centroid ' s position and show the disadvantages of this method using on the harvesting of the farm products ( 2 )應用傳統的圖像處理手段，對拍攝的番茄和葉子的圖像進行處理，尋找番茄的大致的質心位置，并說明此種方法在農產品收獲中存在的弊端。

By introducing the constant strain as another basic unknown quantity besides the rigid displacement at centroid of block elements , the elasticity of bock elements can be considered and the precision are improved 引入塊體的常應變作為基本未知量，從而使計算能夠考慮塊體的彈性，大大增加了計算的精度。