形狀特性 的英文怎麼說

中文拼音 [xíngzhuàngtèxìng]
形狀特性 英文
geometric characteristics
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Steel strands shape parameters of skew prestress box girder

    斜交預應力箱梁鋼絞線形狀特性及其影響
  2. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。
  3. This paper presents a new face detection algorithm for color video images based on skin color and multimodal information fusion. first, this paper presents a new means for selecting skin samples ; and then comparing skin distribution in the eight color spaces and analyzing the adaptability for different skin patterns, poses a face initial orientation ' s method which uses the single gaussian model in the tsl color spaces, and calculates skin probability images ; afterwards comprehensive comparing three typical threshold value separating algorithms, put forwards a face separating method which bases on region growing and fuses multimodal informations ; final, raises a face confirming algorithm which fuses three shape features

    首先提出了?種新的膚色樣本選取方法；然後通過對八種色空間膚色分佈的比較以及不同膚色模型適應性的分析，提出了在tsl色空間上用單峰高斯模型模擬膚色分佈，求得膚色概率圖進行人臉初定位的方法；隨后在綜合比較三個典型閾值化分割演算法的基礎上，提出了融合多源信息進行區域生長分割人臉的演算法；最後提出了融合三個形狀特徵的人臉確認演算法。
  4. We also propose a new shape similarity measure which is suitable for our method

    提出了一種適合本文的形狀特徵的相似性度量方法。
  5. 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。
  6. As to the tunnels of jinping hydroelectric power station in sicuan province, the thesis discusses how to reasonably consider the initial stress field when designing a large - scale tunnel with high initial stress and deep buried. first, by analyzing of the rock lab tests and discusses the feature of regional geomorphology. explains the production of initial stress field, analyze the initial stress of jinping hydroelectric power station ; second, using the fem, the paper creates the real model of region. according to the results of stress measurement point, by combining of ann and fem to decide the boundary condition, the paper calculates the initial stress field ; at last, the paper analyzes the influence of the initial stress field formed from different condition on the deformation and stress of the surrounding rock, and the main factor to influence the initial stress. on the basis of the former work, the author proposes some proposals, which will be helpful for studying and designing of the similar undergroun d engineering

    首先從巖體的應力?變形的特性入手，並結合工程區域的地形地貌特徵，對巖體初始地應力場的形成做出解釋，結合錦屏水電站初始地應力的現狀提出了將地應力場進行分帶；然後建立整個工程區的實體模型，在地質分析的基礎上，以工程區右半部分為代表，參照實測點的初始地應力值，採用了神經網路與有限元相結合的方法反演了該區域的初始地應力場；最後模擬隧洞的開挖，通過計算比較分析了初始地應力場對處于不同應力帶內的隧洞圍巖穩定性的影響，在此基礎上提出了作者的建議，力圖為該類工程的研究設計工作提供有益的幫助。
  7. Investigation on the change of the surface topographic featuresunder the liquid - solid two - phase fluid lubrication

    液固二相流體潤滑狀態下表面形貌特性的變化
  8. Based on an experiment performed on the piston ring - cylinder bore wear tester, liquid - solid lubrication is investigated in this thesis. the wear of the samples under different lubrication conditions ( the solid concentrations are 0 %, 0. 02 % and 0. 1 % by weight ) are discussed. the variations of the surface topography, especially the statistical parameters and functional parameters are studied, and the reasons that cause the variations are analysed

    本研究基於活塞環-缸套摩擦磨損臺架實驗研究了液-固二相流體潤滑的問題，探討了潤滑油中不含固體顆粒、含有0 . 02和0 . 1納米顆粒三種潤滑狀態下的磨損情況，並進一步研究了液-固二相流體潤滑狀態下試件表面形貌特性的變化，主要是統計參數和功能參數的變化，並探討了引起變化的原因，為更深入的液-固二相流體潤滑問題的研究以及表面形貌設計提供理論上的參考。
  9. 3. the characteristics of boundary layer ' s transition, shape and separation are researched. the details as follows : ( l ) airfoil surface is turbulent boundary layer flows ; ( 2 ) velocity figure changed unsteady near the point of boundary layer separation due to randomicity of turbulent flow ; ( 3 ) the airfoil have better state of boundary layer separation and poor stall characteristics because of the upper surface of airfoil is flat

    給出了該翼型的附面層特性：翼型表面基本為湍流附面層；在靠近附面層分離位置處，速度型形狀、特別是靠近翼型表面的底部速度型形狀變化不定，是湍流流動的隨機性所致；該翼型具有較好的附面層分離形態，但在失速迎角附近，附面層分離形態變化劇烈、失速特性差，是翼型上翼面形狀較為平坦所致。
  10. The company can produce a range of user needs table shaped permanent magnet magnetic ferrite materials, in particular expertise in the production of radial direction, special orientation and shape of complex products

    三本公司可根據用戶需要生產各種表狀的永磁鐵氧體磁性器材，特別專長生產徑向取向多術取向和形狀特殊復雜的產品。
  11. Then, the minimum circumscribed circle and shape principal orientation of the object region are calculated ; and the object region is divided into some blocks in the polar coordinate, which uses the center of the minimum circumscribed circle as the origin and the direction of the shape principal orientation as the direction of the polar axis, and the features of all subblocks are extracted to compose shape histograms and then smoothed ; then, combined with global features to synthetically represent the content of the image ; finally, a new image similarity is used to compute the distance between images

    首先對商標圖像進行預處理，得到規則二值圖像;計算目標像素的最小外接圓和圖像的形狀主方向;在以最小外接圓圓心為原點、形狀主方向為極軸方向的極坐標中將圖像分塊，提取各子塊特徵，構成形狀直方圖並平滑處理;再結合全局形狀特徵來綜合表示圖像內容;最後採用新的相似性度量方法計算圖像間距離，實現商標圖像的準確檢索。
  12. Standard test method for measuring shape characteristics of tin mill products

    測量錫軋製品形狀特性的標準試驗方法
  13. 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。
  14. According to their shape characteristics, the parameter estimation algorithms of circles and ellipses are proposed based on the corresponding constraint condition

    根據圓和橢圓的形狀特性，提出了相應的約束條件及圓和橢圓參數求解演算法。
  15. Because straight - line segments represent the edge structure of the straight linear objects and meet the three properties as moving, rotating and scale inflexibility, it ' s effective for describing the shape of runways of the airport

    由於直線段反映了目標的直線狀結構特性，同時滿足平移、旋轉和尺度不變性的三個屬性，這用來描述機場跑道的形狀特徵有效。
  16. On the basis of previous work, firstly, we studied the representation of shape characteristic in hough space, put forward the algorithm based on shape characteristic and inverse hough transform ( iht ) to locate and reconstruct license plate. we elaborated the principle and application of iht, and on this basis we got rid of the disturbance in hough space and reconstructed license plate in image space in the end

    在前人工作的基礎上，首先研究了形狀特性在車牌區域定位上的應用，提出了基於形狀特性和反hough變換的車牌區域定位演算法，給出了車牌區域的形狀特性在hough空間的表現形式，詳細論述了反hough變換的原理及應用，並根據其原理在hough空間濾除干擾，在圖像空間重建車牌區域。
  17. In the research, the system captures real - time images based on the sdk, and saves the image data into buffers which are created by the system. the important and primary parts are got using the programs which are designed to process and analyze the image data in the buffers, and the geometrical features such as area, perimeter, moment invariants and fourier descriptor, are measured. the parts are classified according to the threshold of each geometrical feature with the image database

    課題研究中，在設計的試驗平臺上，通過攝像頭和sdk開發包對零件進行實時圖像採集，並將其存入開辟的數據緩沖區內;由設計的圖形處理模塊對緩沖區內的數據採用各種演算法進行分析處理，形成研究中感興趣的重要圖像;調用圖像識別判斷模塊，主要提取了零件的周長，面積，慣性矩，傅立葉描繪子等形狀特徵參數，根據定義的識別函數，並結合圖像數據庫，進行零件識別或缺陷檢測。
  18. Aim at the property of foot orthosis, the building of foot orthosis can be realized by means of surface modeling. and the three - dimensional simulation model of foot orthosis is displayed through opengl technology

    針對足底矯形器的形狀特性，使用表面建模方式對足底矯形器進行造型，並利用opengl技術顯示足底矯形器的三維模型。
  19. But the surface characteristics is minor. when rigidity of granulated crumb rubber is increased, the performance of mixture is improved including compaction performance, volume performance and enduring performance. the ratio of coarse aggregates, granulated crumb rubber and coarse granulated crumb rubber are confirmed using the central composite design and response surface methodology

    研究結果表明，橡膠顆粒的形狀特性和力學特性對混合料的性能影響較大，隨細長扁平顆粒含量的減小，硬度的增大，混合料的壓實特性、體積特性和使用的耐久性增強;橡膠顆粒的表面特性的差異對混合料性能有一定影響，但其影響並不顯著。
  20. They are shape characteristics, surface characteristics and physical and mechanical characteristics. the technical index are confirmed through performance test. the results indicate the shape characteristics and the physical and mechanical characteristics are important to performance of mixture

    從橡膠顆粒的形狀特性、表面特性和力學特性角度入手，分析了橡膠顆粒的技術性質對橡膠顆粒瀝青混合料壓實特性、體積特性、彈性變形特性和耐久性能等的影響，並最終確定出瀝青混合料用橡膠顆粒的技術指標要求。
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