face to face dimension 中文意思是什麼

face to face dimension 解釋
端面距尺寸
  • face : n 1 臉,面孔;面貌,樣子;面子,威信。2 愁容,苦臉;〈口語〉老面皮,厚臉皮。3 外觀,形勢,局面。4...
  • to : adv 到某種狀態;〈特指〉到停止狀態;關閉。 ★也常和動詞結合,略去其後賓語,而構成成語: The door i...
  • dimension : n 1 尺寸。2 【數學】次元,度(數),維(數)。3 【物理學】因次,量網。4 〈pl 〉容積;面積;大小,...
  1. The paper analyzes the chaos characteristics of the rock stress ^ fragment dimension crashing process under the explosive blasting by the chaos theory for the first time, puts forward academic point of view that blasting system is a typical chaos system, adding up to damage mechanics, reduces the connection between blasting fragment face and original damages of rock. then, the concepts of blasting attracted face and the blasting attracted factor have been put forward

    結合損傷力學研究了爆破破碎面與巖石初始損傷的關系,首次提出了爆破吸引面、破碎吸引因子的概念;結合分形理論,討論了爆破吸引面分形維數與破碎塊度分形維數之間的關系;使巖石在爆破作用下的本構關系研究轉化為破碎吸引面的本構關系研究。
  2. In this thesis, we adopt the technique of statistical training, create a sample database of every kinds of expression face images, construct a matrix of the difference of each sample and average image, and reduce dimension by pca, then decrease the relativity of principle components by ica, and therefore get the character sub - space of face. when detecting a face, we adopt the method of disturbing principle components of model to match special facial image, which is called whole optimization method in this thesis

    論文採用統計訓練的思想,選擇包括各種表情變化的人臉圖像建立樣本庫,取所有樣本與平均圖像的差構造一個矩陣,利用主元分析方法進行降維,然後通過獨立元分析降低主元相關性,建立了人臉的特徵子空間;演算法採取對主元進行擾動優化匹配的方法檢測人臉,本文稱此方法為全局最優的方法。
  3. 2 ) through many numeral experiment, using the crack face ' s slant angle and azimuth angle as parameters, we found some relations between three - dimension fractal parameters and two - dimension fractal parameters in rock mass : ds = ( 1. 0 + 0. 031 ) * dl + ( 1. 0 + 0. 0395 ), ns = nl, v = 1. 5986 * ( 2 - dl ) - 3. 2935 * sin ( st ) + 3. 8263, and found a way to speculate three - dimension fractal parameters from two - dimension fractal parameters. lt is the foundation to describe the distribution laws of crack face in rock mass by the observing results through rock mass section crack, 3 ) this paper constructed the three - dimensional fractal emulation theoretical system and erected three - dimensional fractal emulation model about crack face in rock mass 4 ) a emulation system about crack face in rock mass is developed by vc + +, it includes the function to get section plane chart and section block chart from three - dimensional network chart automatically, and some of the emulation examples is given

    2 )通過大量數值試驗,以巖體裂縫面的傾角與方位角為紐帶,分析得出了巖體裂縫面數量三維分形分佈參數和巖體裂縫跡線二維分形分佈參數的關系: d _ s = ( 1 . 0 0 . 031 ) * d _ l + 1 . 0 0 . 0395 , n _ s = * n _ 1 , = 1 . 5986 * ( 2 - d _ l ) - 3 . 2935 * sin ( st ) + 3 . 8263並提出了由二維分形幾何參數來推導三維分形幾何參數的方法。為通過巖體剖面裂縫直接觀測結果,描述巖體裂縫面分佈規律奠定了基礎。 3 )本文構建了巖體裂縫面的三維模擬理論體系,建立了巖太原理二大學周眨d二研究生學位論文體裂縫面的三維分形模擬模型。
  4. Since there was no technique to observe directly under three - dimensional situation and no reliable physics exploiting technology, the three - dimension distribution law of crack face was not found yet

    三維情況下,由於無法進行直接觀測,又缺乏可靠的物理測試技術,致使巖體裂縫面的三維分佈規律遠沒有得到解決。
  5. Then for the computing time of the traditional pca - based face recognition algorithm is very large, we use wavelet transform to reduce the dimension of images, and decrease computation complex

    針對傳統pca (主分量分析)方法運算量大的特點,本文通過小波變換對輸入圖像進行降維處理,降低了后續演算法的復雜度。
  6. As the yardstick changes of crack face is following self - similarity physics law, this paper prosecuted several deep researches on the crack face in rock mass as follows : 1 ) the fractal geometry theory is used to study the characteristic of crack face number in rock mass and a research method about three - dimension fractal distribution to crack face in rock mass was brought forward. we calculate the number of crack when the position of the crack face distribution is random and the crack face ' s slant angle and azimuth angle is certain by numeral experiment, and verify that the crack face number in rock mass comforming three - dimension fractal distribution law is correct

    1 )應用分形幾何學理論對裂縫面數量分形分佈進行了研究,提出了巖體裂縫面數量的三維分形分佈研究方法;在巖體裂縫面隨機分佈和裂縫面分組的情況下,用數值試驗方法,分別計算各種剖面不同尺度裂縫跡線條數,證明了「巖體裂縫面數量服從三維分形分佈規律」這一巖體力學的重要物理結論。
  7. Then organ - based blocking scheme in the face detection method based on knowledge is introduced to the detection method based on support vector machine ( svm ), it reduces the dimension of face character vectors and improves the detection precision

    另外,本文將基於知識的方法中的器官分塊策略引入到基於支持向量機的人臉檢測方法中,將各子塊像素的統計量作為人臉特徵,輸入到svm中。
  8. Face to face dimension

    端面距尺寸
  9. First pre - process the face image and localize the eyes, then normalize the face image based on the location of eyes, and extract the face feather using the independent component analysis algorithm combined with the principal component analysis algorithm to reduce the face image dimension ; attempt a direct gray scale minutiae detection approach based on ridgeline following to extract fingerprint feather, it will overcome the shortcoming of traditional method which would bring in false feathers during the binarization and thinning, and make some improvement such as the fingerprint image enhancement, direction field, stop criteria of ending point

    首先對人臉圖像進行預處理、定位人眼位置,進而根據人眼位置進行人臉圖像的幾何歸一化,對歸一化后的人臉圖像本文提出了ica與pca相結合的方法提取人臉圖像的特徵:首先,利用主元分析法( pca )對人臉圖像數據進行降維,然後採用獨立分量分析( ica )演算法提取人臉整體特徵,從而得到較準確的人臉特徵。
  10. A face recognition algorithm based on improved bp neural network is proposed. first, wavelet transform is utilized to reduce both the dimension of face images and the data amount. then face images are normalized by illumination ratio image to overcome the influence of illumination variation

    運用小波變換對人臉圖像進行降維,在減小數據量的同時保持圖像的基本信息;運用基於光照率圖像的方法對圖像進行光照校正,以改善光照變化對圖像質量的影響;運用改進的bp神經網路對不同光照條件下的人臉圖像進行識別。
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