linear transform 中文意思是什麼

linear transform 解釋
線性變換式
  • linear : adj. 1. 線的,直線的。2. 長度的。3. 【數學】一次的,線性的。4. 【動、植】線狀的;細長的。5. 由線條組成的,以線條為主的,強調線條的。
  • transform : vt (使)變形;(使)變化[轉化,轉變];變態,改變(性質、機能等),改造,改革;【數學】變換;【電...
  1. Improving anil jain ' s algorithm, we propose a minutiae match algorithm. our improvement is focused on the following two aspects : first, we use a minutiae alignment algorithm based on the iteration of the neighbor minutia centered at the minutia gravity. secondly, we use a modifiable bounding - box to carry out minutiae matching, which makes our algorithm more robust to the non - linear transform of the fingerprint images

    我們的改進主要體現在二個方面:首先我們利用了一種「基於重心附近遍歷的特徵點對齊演算法」 ,該方法不需要記錄特徵點的多餘信息來進行特徵點的對齊;其次,我們利用一個可變大小的「界限盒」來進行特徵點的匹配,使得我們的匹配演算法對指紋圖像的非線性形變具有更好的魯棒性。
  2. The fractional fourier transform is linear time - frequency transform, and it doesn ’ t have disadvantages of wigner - ville distribution. moreover, the precision of this method is higher, and the performance of antinoise is better

    而分數階傅立葉變換是線性時頻變換,所以它不受交叉項的干擾,沒有不模糊區間減半的缺點,而且它的估計精度高、抗噪性能好。
  3. For real world implementation of wavelet theory, we mainly focus on the selection of suitable wavelet bases and related algorithm applied in the following different aspects : in this paper, the selection of wavelet basis function is presented in detail through the investigation of traditional selection of wavelet basis and the theory of lifting scheme, an adaptive wavelet transform is put forward, and the adaptation is come from adaptive choosing between a class of linear predictors within the lifting framework according to the local gradient of the signal. we investigate the central issues such as the structure of adaptive frame and the calculation of corresponding wavelet basis function

    對于小波的應用性研究,針對實際應用,主要對其基函數選取及相關的應用演算法進行了詳細探討,主要工作內容包括下面幾個方面:在論文中,首先對基函數的選取進行了詳細的研究,通過對經典的小波函數選取方法的研究,並在對經典小波變換和提升框架的基礎理論上,提出了利用提升框架並根據信號的局部特徵自適應選取小波基,探討了自適應框架的結構以及相應的小波基函數的計算。
  4. In this paper, a single - frame fringe analysis method is presented, in which subdivided fringe is modeled by linear phase and the coefficients are extracted by complex wavelet transform ( cwt )

    摘要本文提出了利用復數小波變換對干涉圖象相位進行分塊線性擬合的一種新穎的單幀干涉圖象分析方法。
  5. In order to prove the existence of the periodic boucing solutions, firstly we will introduce a new coordinate transformation, transform the system from right half plane to the whole plane. and give the relation of the eigenvalues of hill ' s equation and the rotation numbers, using this approach and pioncar - birkhoff twist theorem, we proved the existence of the periodic bouncing solutions for asymptotical linear oscillator

    對于周期解的存在性證明,我們引進新的坐標變換把右半平面上的碰撞問題轉化到整個平面上,給出旋轉數與hill方程的特徵值的關系,並以此來度量漸近線性振子,再應用pioncar - birkhoff扭轉定理得到周期碰撞解的存在性。
  6. 2 ) to increase the difference, the non - linear transform function is used. the each pixel is computed by the average of a window ' s energy, which is gabor wavelets energy and the input feature vector of unsupervised classification

    2 )對濾波后圖像進行非線性處理,以加大不同類之間特徵的差異,給出了計算圖像gabor小波能量特徵的計算方法,該能量特徵作為無監督分類器的輸入向量。
  7. For those biological signals like echo of bat or whale, as well as man - made system signals like radar or sonar signal, the instantaneous frequency of signal component contains important information and could be used for signal model parameters extraction. so that the proper choose of transformed domain and signal characteristic extraction method is of crucial important. the ridge extraction method used for signal characterization was first proposed in the 1990s, it ' s based on the study of the phase of the wavelet ( or other linear ) transform

    對于許多實際的信號,如蝙蝠發出的超聲波、鯨魚的叫聲等生物信號,以及雷達、聲吶等人造系統產生的信號而言,信號瞬時頻率的變化規律反映了信號重要的特徵,並且也是信號模型中關鍵的參數,因此選擇合適的變換域提取信號的瞬時頻率信息,並選擇合適的方法對信號進行重建是很重要的問題。
  8. Researches on how to develop all digital photogrammetry sof tware based on general digital camera. and a mathematical model for softwares t wo main parts, direct linear transform ation and least squares image matching, is given, a physical model for examining the softwares entire performance is also given. the results of numerical imitation and physical models calculation show that the software development a nd research in the above two parts are successful

    給出了普通數碼相機數字攝影測量軟體主體部分的開發思路,對軟體中的兩大主要部分? ?直接線性變換與影像匹配兩部分分別給出了數學模型,為檢驗軟體的整體性能,又給出了一個物理模型.通過數值模擬及物理模型的計算結果,表明軟體在以上兩部分的開發研究是成功的
  9. Closed linear transform

    閉線性變換
  10. This article, aiming at the specialties of rmb currency image, puts forward a new method using linear transform of image gray to diminish the influence of the background image noises in order to give prominence to edge information of the image. then the edge characteristic information image is obtained by edge detecting using simple statistics. by dividing the edge characteristic information image in the width direction into different areas, getting the number of the edge characteristic points of different areas as input vectors to random masks and optimized by ga

    文中提出了利用圖像灰度線性變換來抑制背景圖案噪聲的影響,突出圖像邊緣信息;然後採用簡單統計法進行邊緣檢測,得到邊緣特徵信息圖;最後通過對邊緣特徵信息圖在寬度方向上進行均勻劃分成不同的區域,統計不同區域的邊緣特徵點的數目作為神經網路的初始輸入向量,對初始輸入向量用隨機掩碼處理和遺傳演算法進行優化得到最終輸入向量,通過三層bp神經網路分類器進行分類,達到了人民幣識別的目的。
  11. Based on the recognized 2d coordinates of the frame and the direct linear transform ( dlt ) arithmetic, we can figure out the parameters of every camera

    基於識別出的框架標識點的二維坐標和直接線性變換( dlt )演算法,我們可以計算出每臺攝像機的參數。
  12. In order to expand the search space and decrease the crosscorrelation among the sub - sources, non - linear transform is made for the cost function

    為了擴大搜索空間,降低各信源之間的互相關性,將代價函數進行了非線性變換。
  13. I carried my research on both the two computation methods and fruitful results were obtained. for the fdtd method, i solved the instability problem of the method in the non - orthogonal coordinate system. for the pwe method, i introduce the linear transform in to calculate analytically the fourier coefficients of complicated photonic crystals

    對于有限時域差分方法,我解決了一個影響這種方法在斜坐標使用的穩定性問題,得到了傳統的yee型差分在斜坐標里的擴充;對于平面波展開方法,我引入了線性變化求富里葉展開的系數,這種方法的好處可以很方便快捷的獲得復雜光子晶體的富里葉系數。
  14. The results show that 1 ) the linear transform colospaces have better performance than others, and 2 ) the absence of the luminance component decreases performance significantly

    結果表明:線性顏色空間是最優的膚色空間類,去除亮度信息將降低膚色非膚色的類可分離性,並導致分類性能的退化。
  15. Linear transform ; integer mapping ; serm

    線性變換整數分解serm
  16. Integer version of reversible linear transform and its application

    基於快速整數提升小波變換的硬體設計
  17. Based on histogram research, two novel image enhancement algorithms are put forward. it is adaptive piecewise linear transform

    以灰度直方圖作為統計手段和依據,提出了自適應灰度分段線性變換的圖像增強演算法。
  18. It is shown that for achange of illumination and orientation, the affinely normalized zernikemoment matrices are related by a linear transform

    我們提出了一種基於仿射變換的矩,用它來推導仿射zernike矩描述運算元。
  19. Abstract : based on 1, 2, 3, we give the changing law of fuzzy linearly independent set and fuzzy basis under certain linear transform, we point that every fuzzy linearly independent set can be ? extended to a fuzzy basis, meantime we give the method how a fuzzy linearly independent set is ? extended to a fuzzy basis

    文摘:在1 、 2 、 3基礎上給出了某些線性變換下模糊線性無關向量組及模糊基的變換規律,指出任意模糊線性無關組都可擴充為模糊基,同時也給出了將模糊線性無關組擴充為模糊基的方法。
  20. Based on 1, 2, 3, we give the changing law of fuzzy linearly independent set and fuzzy basis under certain linear transform, we point that every fuzzy linearly independent set can be ? extended to a fuzzy basis, meantime we give the method how a fuzzy linearly independent set is ? extended to a fuzzy basis

    在1 、 2 、 3基礎上給出了某些線性變換下模糊線性無關向量組及模糊基的變換規律,指出任意模糊線性無關組都可擴充為模糊基,同時也給出了將模糊線性無關組擴充為模糊基的方法。
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