projection surface 中文意思是什麼

projection surface 解釋
放映面
  • 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...
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  1. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  2. Note that in the image above, the dark outline and true crosshatch shading have been omitted to clearly illustrate the perspective camera projection of the grid texture onto the surface

    注意：在圖像上方，已經被忽略的黑色輪廓線和真正的交叉陰影著色，在透視攝像機里明顯地表明格子紋理已經投射在表面上。
  3. The working projection plane is taken at the equatorial plane corresponding to the ground surface.

    工作投影面為赤道平面相當于地平面。
  4. The equations of workspace boundary surfaces for double - octahedron variable geometry truss pmts are derived based on surface analysis method. the projection and section curve grapha of workspace boundary surfaces for double - octahe

    推導出了zrps ztps型及m 3tps型並聯機床運動學分析的一階和二階影響系數矩陣，得到了其運動學模型。
  5. 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。
  6. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images ， an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept ， only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result ， sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col ： ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 ， an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri ： ace of object successfully he 。 叩 proach ， called rered ature mopmp consists of two pans at fst ， an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel ， called ae ， ea atures ， or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 ， some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt ， nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient ， especially n rendering those objects with a smaller depth rnge compared withtheir size ， such as relief surfaces of building

    與己有的三維變換方法相比較，該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞，而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞，從而方便地實現了虛擬環境中的漫遊；基於物體表面深度的連續性，本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息，從而大大提高了演算法的效率：與通常的正向映射演算法相比，此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題，而且誤差較小。 2 ）基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法，從多幅參考圖象精確合成當前視點目標圖象。
  7. A minute projection on the surface of a stigma, petal, or leaf

    乳突花柱頭、花瓣或葉子表面上細小的隆起物
  8. Some features of the engineering control network demand special applications of gps in road and bridge engineering, for example, particular requirement of accuracy on some aspect that results in distribution of net points and sometimes bigger height difference of points, consideration of staking out in construction in the design of engineering control network, application of independent engineering coordinate system, and use of engineering mean height surface as the projection surface of computation

    由於工程式控制制網的一些自身特性，如施工控制網要考慮施工放樣的方便，或某一方面精度的特定要求，網點分佈不夠均勻，點間高差有時較大；採用工程獨立坐標系，並且往往以工程平均高程面為計算投影面等等，使得gps在路橋工程中的應用也有一些特殊性。
  9. I have found it more reliable to follow the surface for short to medium distance projection of up to a few hundred miles

    我發現在地表進行最多數百英里的中短距離的投射更為可靠。
  10. The working projection plane is taken at the equatorial plane corresponding to the ground surface

    工作投影面為赤道平面?相當于地平面。
  11. This study choosed arc view gis by way of foundation platform and developed the function modules for region geophysics and geochemistry ( for example hydrological function and background analyst for region geochemistry and transformation for potency field and transformation of map projection and correlation analyst and grid data treating and inserter for kriging and trend and so on ) except using the basic functions of arc view gis ( e. g. neighbour analyst and spatial data treating and surface analyst and model constructor and so on )

    本論文選擇arcviewgis作為基礎平臺，除利用arcviewgis的基本功能（如鄰域分析、空間數據處理、表面分析、模型構造器等）外，開發了適合於區域地球物理地球化學綜合解釋的功能模塊，如水文功能、區域地球化學背景分析、位場變換、地圖投影變換、相關場分析、柵格數據處理、 kriging及trend插值器等。
  12. Without using a model whose topology is known for mesh fitting, the algorithm simplifies the 3d surface topology problem to 2d surface topology problem by projection. then the best 3d surface topology is deduced using the minimum summing of spans criterion based on the " minimum offset " criterion which is proposed in this paper to determining the points links between two adjacent contours. the custom software is designed for 3d rendering using opengl interface

    為解決不平行輪廓的重建問題，本文用投影的方法把三維表面拓撲結構問題轉化為二維表面拓撲結構問題；為確定平面輪廓間點的對應關系，本文提出基於最小偏移量準則的輪廓拼接演算法並用跨段之和最小準則來確定輪廓拼接的起始點和最佳可接受的表面，從而確定三維表面的拓撲結構。
  13. 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。
  14. It has avoided 3d rebuild and spherical surface projection and anti - projection etc the problems, and people can with any look at from any viewpoint to view the scene of walk through, and does not need any quicken hardware and just has nothing to do with the complexity of scene, and can be realized on the ordinary microcomputer

    它避免了三維重建及球面投影和反投影等問題，人們可以從任何視點以任何視向來觀賞漫遊場景，不需要任何硬體加速裝置且與場景的復雜度無關，可以在普通微機上實現。
  15. Experiment data is analyzed with method of projection pursuit for more reliability and utility value. this paper first systematically studied energy dissipater of suspension girder in steep gradient with supercritical flow according to used in actual engineering and received perfect effect. experimental studies about the distribution velocity, the variation of water surface and pressure are undertaken

    然而，文章主要針對已獲國家自然科學基金資助，且已在實際工程實踐中產生了良好消能效果的陡坡急流懸柵消能工的部分試驗成果，進行了較全面深入地討論，即具體根據試驗資料系統分析了懸柵陡槽內泄水時的流速分佈、底板壓力分佈及水面線變化情況。
  16. A novel approach of large - scale surface 3d measurement is proposed which combine multiple view motion vision measurement, digital fringe projection measurement and iterative closest point registration. the measurement techniques is rapid, portable, easy to operate and large measurement area. compared with the existing methods, the accuracy of surface merged is not dependent on high accuracy of feature point measurement, but determined by iterative closest point registration

    論文提出了一種集成多目運動視覺特徵點測量、數字相移條紋投影曲面片測量和最近點迭代配準拼接的大型三維曲面測量新方法，具有快速、便攜和量程大的特點，與目前的集成系統相比，曲面配準拼接精度不依賴高精度的特徵點測量，而是採用多目運動視覺特徵點測量結果作曲面初始配準拼接，然後再通過最近點迭代法實現精確拼接。
  17. 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。
  18. Seeking the intersection of a line and an ellipsoidal surface with the projection plane transforming method

    用換面法求解直線與橢圓球面的交點
  19. 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。
  20. 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。
分享友人
分享到 Line

分享到臉書