旋轉不變性 的英文怎麼說

中文拼音 [xuánzhuǎnbùbiànxìng]
旋轉不變性 英文
rotation invariance
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 轉 : 轉構詞成分。
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
  1. In order to save the cost of the home robot, the robot with single camera as its outer sensor has become a popular research field during the past few years. we need a method to describe the environment so that the single camera can be used effectively. in this paper a novel algorithm named scale invariant feature transformation ( sift ) is used to extract the key points of the environment

    為了利用單目視覺傳感器，需要一種相應的外界環境的描述方法，本文採用一種比例縮放不變的特徵點（ sift特徵點）來描述環境， sift特徵點具有比例縮放不變性，旋轉不變性和部分仿射不變性等優良性能，從而具有高度的可辨別性。
  2. Aim at this problem, revolving invariance printing numerals recognition system is set up in this paper. this system includes three parts : preprocessing part, extract feature part and recognition part

    針對這個問題，本文建立了一個具有旋轉、平移不變性的印刷體數字識別系統，系統主要是由三個部分構成，即預處理、特徵提取和識別。
  3. Some new features such as ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment are introduced in this dissertation. these features have the properties of scale - invariance -, rotation - invariance and translation - invariance, and can be used well in depicting the linearized outline object

    本文提出向心矩比、偏心矩比、慣性矩比概念，對線性化后的輪廓應用本文方法，既能較好地描述圖像目標，又具有旋轉、平移和尺度不變性。
  4. First, the thesis introduces the definitions and the attributes of the higher - order statistics. it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems. then two doa estimation algorithms based on higher - order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth - order cumulant, and comparing the effects of the estimation to conventional covariance - based doa algorithms "

    論文首先對高階統計量的定義和性質作了介紹，特別指出了高階統計量對加性高斯噪聲（白色或有色）不敏感，這是我們利用它進行波達方向估計的理論依據，然後文中提出了兩種基於高階統計量的波達方向估計方法，一種是利用子空間旋轉不變技術構造四階累積量矩陣進行估計的方法，另一種是基於四階累積量陣特徵分解的空間譜估計測向方法，並將它們的估計效果與傳統協方差方法的效果進行比較。
  5. Thirdly, decrease the difficulty of the character recognition through studying the method of character preprocessing ; at last, some effective methods of feature extraction, such as the one based on image transform with the invariant features which keep stable while the picture move, rotate and zoom in or out, and the other focused on the shape of character and features of direction

    三、深入探討了字元識別的預處理方法，減少字元識別時的運算量和難度。四、討論了三種特徵向量的提取方法，一種是基於平移、旋轉和尺度不變性的圖像變換法，一種是計算中心矩的方法，再就是強調字元形狀和結構的方向特徵量提取法，實驗中通過最小距離法進行字元的分類識別，匹配時間少，識別率有所提高。
  6. Aim at this problem, a sort of recognising method of the printing number with revolving invariance is discussed in this paper

    針對這個問題，本文探討了一種具有旋轉不變性的印刷體數字識別方法。
  7. In the fourth chapter, feature detection is discussed. spatial moments not only can accurately describe edge detection and detect subpixel edge feature but alse have rotation invariance

    第四章對特徵提取的方法進行了研究，空間矩能夠很好地描述圖像的邊緣特徵，利用它能夠進行亞象素邊緣提取，並且具有很好的旋轉不變性。
  8. In this paper, truesdell derivative is applied into large strain consolidation constitutive relation, which take consideration of the influence of rigidity rotation and deformation, and which makes the theory objective in a wide range

    大變形分析中應當採用客觀的應力應變度量。將truesdell率引入到本構關系中，既考慮了剛體旋轉不變性又考慮了變形的影響，使歐拉大變形固結理論具有廣泛的客觀性。
  9. Corner detection based on accumulative chord length is invariant to rotation transformations, while the implicitly refining strategy of digital curves can improve computational precision and enhance the reliability of corner detection significantly

    摘要提出基於曲線累加弦長來檢測角點，可以使得檢測結果具有旋轉不變性，隱式精化曲線策略可以顯著改善角點檢測演算法的計算精度，從而增強角點檢測結果的可靠性。
  10. Frequency using wavelet theory, another is multi - channels based on gray. the first method is based multi - scale decompression using wavelet theory, it extract gray feature from each channel to form feature vector, it can distinguish objects, but this method not have invariant property when object rotate

    基於小波的頻率多通道是從小波多分辨分解的角度，提取各頻率通道的灰度特徵形成特徵向量，該方法可以很好的區分目標，但不具有旋轉不變性。
  11. Meanwhile, objective to the requirement of both real - time and accuracy for moving shaped target detect and tracking, a novel method is proposed based on combination of images difference and feature invariant. the paper improved the tradition difference method, constituted a feature invariant which characterized the object contour without influence of object ’ s size change, shifting, and rotation, and developed a dynamic - extremum - matching scheme

    同時，針對識別跟蹤具有形狀信息的大飛行器目標所提出的快速準確要求，提出了一種基於改進的差分演算法與特徵不變量匹配的目標識別方法，彌補了傳統圖像差分方法的不足，構造了一個具有平移、大小和旋轉不變性的特徵不變量用於識別目標，並研究出一種動態極值匹配方案。
  12. By using both of the two methods, we extract the features of the target images, then we applied the features to the artificial neural networks in the recognition part. we utilize the artificial neural networks method to identify the images in the recognition part. an improved back propagation ( bp ) algorithm was introduced to train the neural network for recognition

    在旋轉不變性和特徵提取方面，研究了目標的zernike不變矩方法，並且提出了用小波分析在目標圖像特徵提取方面的應用，分別用zernike矩和小波分析方法提取了目標的特徵值，將兩者提取的特徵值分別作為目標識別分類器的輸入。
  13. An algorithm for matching the esprit ' s estimation of two - dimensional angle by using twice svd and once schur is proposed. using two row uniformity sensor - arrays and adding one sensor, the algorithm decomposes the array twice and exploits rotational invariance properties of signal space, so that both angles may be computed via matrix pencil method, and these estimates are automatically paired. simulation results are presented to verify the efficacy of the proposed algorithm

    首先針對esprit演算法對窄帶源進行二維doa估計存在測向冗餘的情況，提出了一種改進演算法，該演算法利用子陣信號數據矩陣中包含的信號空間的旋轉不變性質，藉助于矩陣束方法求解出信號的二維到達角，並且利用兩次奇異值及一次schur分解從而實現了esprit二維doa估計參量的自動配對； 2
  14. Because the signals of the target reflections are coherent, the reconstructing matrix algorithm which uses the time - shift correlation method is studied. not only has it the good ability to solve the coherence problem, but it also reduces the computation because of the time - shift correlation instead of the eigenvalue decomposition

    由於雷達系統中目標回波具有相關性，必須考慮解相干處理，所以研究了利用時移相關去噪的矩陣重構演算法，該演算法具有較好的解相干能力，且用時移相關去噪免去了特徵分解去噪過程，可直接使用esprit演算法求解旋轉不變關系，簡化了過程，減小了計算量。
  15. This method is also translation - rotation - scale invariance and the effect of identification is good, which is provided by experimentations

    該方法具有尺寸、旋轉和平移不變性，在識別過程中獲得了很好的效果。
  16. The central complex moment is defined, and complex moment based moment invariants are proposed. the translation, rotation and scaling invariance of moment invariants is discussed using the central complex moments

    摘要定義了中心復數矩，提出了基於中心復數矩的不變矩表示，進而討論了離散情況下不變矩的平移、旋轉及尺度不變性，給出了理論分析結果，並用實驗進行了驗證。
  17. And the researches of the article have been done as follows : firstly, about the adjustment of rotation, a method, based on susan corner detection algorithm, is presented in the thesis. and the rotated image is rectified exactly by the symmetry of the portrait image and the invariant to rotation of shoulder corner. then the detail of images is preserved by the approximately geometrical processing based on the bicubic interpolation algorithm

    具體工作如下:第一，在旋轉調整方面，本文採用了一種基於susan角點檢測的演算法，利用了人像所具有的對稱性以及肩部拐點旋轉不變特性比較準確的實現旋轉校正;並採用了雙三次插值方法對圖像作幾何近似處理，很好的保持原圖像的細節。
  18. 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。
  19. First, the theories of the music algorithm and the esprit are presented here. conventional algorithms are limited by the array configuration, and a constructing vectors algorithm, which uses the correlative function of array data, is proposed in this paper. this algorithm is n ' t restricted within the special array configuration, and it is also very steady

    在介紹了多重信號分類（ music ）演算法和旋轉不變技術（ esprit ）的基本原理后，考慮到常規的演算法都受到陣列形式的限制，本文在esprit演算法的基礎上，提出了一種利用陣元數據的相關函數構造向量的演算法，該演算法不要求特定陣列結構，且有一定的穩健性。
  20. The experimental results show that this new method has the ability to implement recognition with translation, rotation, scale and mirror invariance. moreover, new method has the color invariance of object recognition since we recognizes the object in cie 1976 luv uniform color space

    實驗結果表明，新演算法實現了平移不變、旋轉不變、尺度不變、鏡像不變的識別，由於利用了目標的彩色信息，演算法還具有彩色恆定性。
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