projection technique 中文意思是什麼

projection technique 解釋
投射技術
  • projection : n 1 射出，投擲，發射，噴射。2 投射；投影，投影法；（地圖）投影圖製法；【電影】放映。3 凸出；凸出...
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created

    採用多解析度技術構造紋理無縫拼接圖，然後把三維網格模型投影到圓柱面上並展開，根據二維圖象變形技術中特徵點匹配演算法的數學思想，將匹配公式進行改進后應用於模型網格點的適配，在作了一定假設后推導出逆向圓柱映射的計算公式，再將適配后的柱面網格映射回去，最後進行紋理映射生成真實感的特定人臉的三維模型。
  2. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法（ pim ）將三維導體目標的阻抗矩陣剖分成小矩陣，通過迭代計算出表面電流和雷達散射截面，並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  3. Based on the analysis of the digital image print head, we first discuss the key technique of the lcos projection display, including the cell characteristic and optical projection system characteristic, then the application of lcos for the digital image print head, its hardware system. this wins initial success for the color correction and system software of our digital image print head

    論文在分析國內外數碼電子片夾的基礎上（第一章） ，首先論述了lcos投影系統的關鍵技術，著重分析了lcos投影儀中液晶盒特性以及投影系統光學特性，然後在此基礎上結合實際情況就現階段lcos用於數碼照片擴印系統的基本結構進行一些具體分析，並重點設計與分析了金成lcos數碼電子片夾的系統結構以及各個組成部分，為後面lcos數碼擴印系統的顏色校正以及數碼照片擴印系統軟體的研究提供了一定的基礎（第二章） 。
  4. A real - time image registration algorithm combining integral projection and multi - resolution spectrum decomposition technique is presented

    摘要本文結合積分投影與多分辨譜分解技術，提出了一種實時圖像亞像素配準演算法。
  5. The direct analysis method has more efficient than the line programming for the shakedown analysis of contact surface layer, therefore, the mentality of shakedown analysis of contact surface layer was introduced based on the direct analysis method as follows : first, the direct method for shakedown analysis was presented and its application to a two - dimensional rolling / sliding contact problem was demonstrated. the direct method consists of operator split technique, which transforms the elastic - plastic problem into a purely elastic problem and a residual problem with prescribed eigenstrains, and an incremental projection method to determine the eigenstrain

    這些方法各有創新，其特點是計算速度快、收斂性好及精度可靠，計算規模避免了彈塑性隨動強化分析的非線性的影響，並使彈塑性問題轉化為殘余問題和線彈性問題，適用於滾動、滾滑及滑動接觸失效分析，從而有效地解決了接觸體安定性分析與裂紋萌生壽命預測的實際問題，也是本文對表面強化接觸失效的安定分析成為可能。
  6. The image of computed tomography ( ct ) is of good quality and high resolution. it can be processed and analyzed digitally therefore, ct has become a new nondestructive detection technique, which is applied widely in aviation, shipping, automobile, public security and other areas. the filter back - projection ( fbp ) technique and the algebraic reconstruction

    =計算機層析成像（簡稱ct ）技術檢測精度高、重建的圖像具有無影像重疊、空間解析度和密度解析度高、可以直接數字化處理與分析等特點，成為近十幾年發展起來的一種新的無損檢測技術，廣泛應用於航空、航天、機械、船舶、公安、海關等諸多領域。
  7. The paper points out that different material must be imitated through different methods. in the paper, the standard material is imitated by using illumination model, and the non - standard material is imitated by using texture and illumination model. last, using the realistic image synthesis technique, material function and the rendering technique, i realize the scene modeling, projection transformation, visible - surface detection, illumination model and surface rendering in this paper

    其次，根據材質屬性的不同將材質分為標準材質和非標準材質，並且根據材質的不同屬性而採用不同的方法進行模擬，對標準材質，如銅、鐵通過光照明模型技術來模擬；對木材等非標準材質通過紋理映射技術來逼真的模擬，並分析總結出模擬各種材質的經驗模型，即一個初步的紋理生成函數，在此基礎上對函數進行了數學演變，最終建立一個比較完善的紋理生成函數，並且對函數中的主要影響因素進行了分析。
  8. Doppler rate estimation method based on sub - space projection technique was proposed

    提出了一種基於子空間投影技術的多普勒調頻率估計方法。
  9. The deducing of the algorithms has very practical value in state estimation for systems under the complex environments. in the instance of complicated multi - channel system with multiplicative noise, the dissertation discusses the optimal estimation of state filtering and smoothing and the stochastic input signal with the technique of innovation and projection theorem of hilbert space. the main study of the dissertation is introduced as follows : 1 according to the practical requirement of complicated multi - channel system with multiplicative noise, the dissertation broadens rajasekaran filtering algorithm

    本文針對復雜多通道帶乘性噪聲系統，應用新息的方法和hilbert空間的投影定理，對狀態最優濾波和平滑估計、隨機輸入信號的最優估計等理論與應用方面的問題，進行了進一步的探討，著重完成了以下工作：第一，根據復雜多通道乘性噪聲系統問題的實際需要，推廣了rajasekaran濾波演算法。
  10. Secondly, image enhancement technique based on linear filtering is adopted. a new image segmentation method by means of automatic multilevel threshold is given, which realizes partial multilevel threshold segmentation based on image region partition of gray - level position projection, removes the influence of uneven illuminance or uneven gray - level distribution on goal recognition, and resolves the problem of error segmentation caused by threshold step between adjacent regions by threshold transition. the method has well robustness

    在圖像處理時，採用基於線性濾波的圖像增強方法，並提出了一種新的自動多閾值圖像分割方法，該方法以基於灰度位置投影的圖像分區實現局部多閾值分割，克服了不均勻照明或不均勻灰度分佈對目標識別的影響，同時，通過閾值過渡很好地解決了相鄰區域閾值「階躍」引起的錯誤分割問題，具有很好的魯棒性。
  11. At first this paper pointed out a technique of solution about cylinder ' s parameter equation, and also introduced a technique of solution on the parameter equation of sapce curve ' s projection on the flat surface, which made application more convenient

    摘要首先給出了柱面參數方程的求法，從而也給出了空間曲線在平面上的投影曲線參數方程的求法，使應用更加方便。
  12. We generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach. finally, we successfully developed a new algebra grid generation technique in virtue of the improved four - boundary interpolation. in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson

    （ 2 ）進行了應用控制理論和二維歐拉方程的翼型氣動反設計，以及有升力約束情形下翼型跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件的數學形式，並給出了相應的梯度求解公式形式，研究發展了共軛方程及梯度的數值求解方法，成功進行了多個翼型的反設計和減阻問題研究。
  13. Linear projection analysis, including principal component analysis ( or k - l transform ) and fisher linear discriminant analysis, is the classical and popular technique for feature extraction

    線性投影分析，包括主分量分析（或稱k - l變換）和fisher線性鑒別分析，是特徵抽取中最為經典和廣泛使用的辦法。
  14. On views separation and coordinate standardization, a coordinate axis projection - based approach and an image scanning - based approach are proposed for views separation, the former reduces the compare times of 2d primitive in drawings and raises the efficiency simultaneously, the latter can separate free nember views of engineering drawing accurately and it has no correlation with complexity of primitive, then, two sets of 2. 5d coordinate systems are introduced as intermediates to relate the 2d original drawing system to the 3d space projection coordinates anfd a formal technique is developed for constructing transformation matrices between coordinates

    3 .在工程圖視圖分離和坐標規格化方面，提出了改進的坐標軸投影分離演算法和基於圖像掃描的視圖分離演算法。前者減少了工程圖中二維實體的比較次數，提高了運行效率;後者可以準確分離具有任意視圖數目的工程圖，且演算法的穩定性與邊界復雜度無關。通過引入二維半中間坐標系推導出了從繪圖坐標繫到空間投影坐標系轉換的轉換運算元並給出了基於轉換運算元的坐標規格化演算法。
  15. Finally, a new 3d surface ranging method based on a digital fringe projection and shifting technique is systematically studied and non - linear rectification algorithms which reduce measurement error is proposed. at the same time, the noise - immune phase unwrapping algorithm is deeply studied and a new algorithm for phase unwrapping of phase map is proposed. experiment make known the algorithm can reduce measurement error, bypass the noise points automatically, solve the problem of the shade sheltering or cavity, overcome the error propagation problem and better results have been obtained

    論文最後系統研究了基於數字相移條紋投影曲面三維測量方法，創造性地提出了一種減小測量誤差的非線性校正演算法，取得了預期的效果；同時對相位去包裹演算法進行了較深入研究，提出了一種噪聲圖像相位去包裹方法；實驗表明該方法能減小非線性測量誤差，自動避開噪聲點和間斷點，獲得了滿意的結果。
  16. Structural light projection technique for measuring ball grid array coplanarity

    焊點共面度的特殊結構光投影測量技術
  17. A 3d vision measuring system based on stereovision theory and lcd grating projection technique is studied in this thesis

    本文研究了基於立體視覺原理和液晶光柵投影技術的三維視覺測量系統。
  18. The algorithm ' s ideal is benint from the ideal of generalize projection technique and strongly subfeasible direction algorithm. it can be approximately describe as follows : firstly, by the introductin of a perturbed parameter / /, replace the complementarity constraints with a generalized function, then ( mpec ) can be reformulated equivalently nonlinear constraints programs. secondly. combine the ideal of strongly subfeasible direction algorithm and generalized projction tech - nique, we setup a generalized strongly subfeasible direction algorithm

    本學位論文結合廣義投影技術和強次可行方向法思想，建立一個新演算法，該演算法的主要思想大致可描述如下：首先引入一個趨向於0的參數，用一個互補函數代替性質不好的互補約束，將問題等價的轉化為一般的非線性約束最優化問題，然後結合廣義投影技術和強次可行方向法思想，建立一個廣義強次可行方向演算法
  19. Study on vision inspection method using gray - modulation projection technique

    基於灰度變調投影光技術的視覺檢測方法研究
  20. The exact solution to this problem turns out to be too complex for practical purposes as it involves a search over a multi - dimensional domain. however, making use of the alternating - projection technique, we replace the above search with a sequence of mono - dimensional searches

    由於ml演算法需要在多維空間進行大量的非線性搜索，我們藉助于交替迭代投影（ ap ）演算法使似然估計從多維參數估計簡化成一系列一維參數估計，降低了計算量。
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