點投影 的英文怎麼說

中文拼音 [diǎntóuyǐng]
點投影 英文
point projection
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 影 : Ⅰ名詞1 （物體擋住光線后映出的形象） shadow 2 （鏡中、水面等反映出來的物體形象） reflection; image...
  1. At any point the convergence is the angle between the meridian as represented on the plane and the n grid line.

    一點上的收斂角是子午線在平面上的投影與N坐標線之間的角度。
  2. A camera calibration method with co - line points is proposed, in which distortion center is located according to cross ratio invariability, and then distortion coefficients are calculated based on a line ' s central projection is a line

    摘要提出一種用共線點列標定攝像機鏡頭畸變參數的方法，先根據交叉比不變性確定畸變中心，再利用直線的中心投影仍為直線這一性質確定畸變系數。
  3. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  4. The study of projections from the cartographical point of view is not here considered as a branch of geodesy.

    從制圖學的觀點來研究投影，不認為是大地測量學的分支。
  5. The space location is determined on the basic principle that some projective planes intersect with each other in non - parallel space and their locations can be solved by geometric projection

    該系統利用線陣像機的快速性與高解析度的特點，採用了非平行空間投影面相交定位的基本原理，利用幾何投影關系定位求解的方法，實現了多線陣像機視覺系統的空間定位。
  6. First, this dissertation gives a geometrical projection - based 3d warp algorithm, which has proved the feasibility to bring the studying method of ibr into geometry models - based modeling and rendering. it is an all - purpose algorithm, which can perform coordinate warping under different projection for scene and object models, and, this algorithm can perform color warping according to lighting characteristics

    演算法的提出證明了將圖像繪制的研究方法引入幾何繪制領域的可行性，演算法通用性好，對場景模型與對象模型均能夠依據不同的投影關系進行圖像的坐標變換，同時，演算法還能夠依據光照特性對象素點顏色值進行變換。
  7. The forth chapter is about the concept of digital maps, and introduce how to gride the digital maps for purpose of firepowers disposal. the fifth chapter import the models of transmission of electromagnetic waves. to clarify the communication ways between communication subsystem and firepowers

    第五章根據電磁波的傳輸特性及其數學模型，建立了戰區指揮車（通信中樞）與發射車（火力點）之間的通信模型，以及空域火力覆蓋的分層投影分析，這是本演算法核心。
  8. One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.

    當一質點以勻角速度作圓周運動時，則它在任意直徑上的投影的運動便是簡諧運動的一例。
  9. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後，對全文進行了總結，並指出今後研究工作重點。指出：瞬時得到各方向的投影是此技術實用化關鍵；在獲得溫度分佈信息基礎上，進行必要的假設和推導，能同時得到火焰中某特定組分濃度的分佈，這必將進一步我們對燃燒本質的理解；利用方向性好，輻射強度高的激光源代替常規的黑體爐，能得到輻射干涉投影圖像，這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。
  10. Then the following state - ments are equivalent : ( 1 ) 0 is an isolated point in ( 2 ) a is a finite rank operator ; is the spectral projector associated with. theorem4. 5 let a be a compact normal operator, is an isolated point in prop4. 13 let a be a compact normal operator, ao is an isolated point in a ( a )

    定理乏止設a是緊正常運算元，則下列條件等價： （ ）是o （ a ）的孤立盧、 ；仰a是有限秩運算元； w 2n間a二一，其中燦1 ， …為」 （用自所有的互不相同的孤立點，民： h ?馬人一川為關于入的譜投影運算元
  11. Through analyses of epipolarity geometry of the linear ccd push - broom images and frame perspective images, based on the projection track method, epipolarity of linear ccd push - broom image is established and the properties of epipolarity curves is discussed, and a new epipolarity model based on the simplified push - broom sensor model is proposed. for stereo images of frame perspective and linear perspective, how to set up of epipolarity is studied in terms of fundamental matrix in computer vision, and an algorithm of epipolarity solution that only depends on coordinates relation of identical point is presented. 4

    通過線陣ccd推掃式影像和框幅式中心投影影像核線理論的對比研究，利用投影軌跡法建立了線陣ccd推掃式影像的核線模型，分析和總結了它的基本特性；針對基於共線方程的簡化傳感器模型，提出了一種新的核線模型；對框幅式中心投影立體影像和線陣ccd推掃式立體影像，利用計算機視覺中的基本矩陣研究核線關系的建立，提出了一種單純依靠同名點坐標關系的核線模型解法； 4
  12. First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank

    計算方法之一為k值法：作拉深件水平投影圖，在該投影圖面積方程中引入k值，利用面積相等原理解方程，求得k值，沿水平投影外沿加上k值，即為毛坯圖的外廓形狀。計算方法之二為拉深線法：沿拉深件水平投影圖外廓，在任意點作該點切線的法線，在該法線上以該點拉深件的高度為量，在法線上取截點。
  13. 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。
  14. Metal halide gas - discharge lamps possess the advantages of small sige, high luminous efficiency, long life good start quality, simply appending power supply. they are widely use in movie projectors and overhead projectors etc. the metal - halide gas - discharge lamps include metal halide lamps with dysposium iodide, mercury lamps metal halide lamps with scandium - sodium iodides and metal halide lamps with sodium - thal - lium - indium etc

    金屬鹵化物放電燈具有體積小、發光效率高、使用壽命長、啟動性能好附加電源較為簡單等優點，一般用於電影放映機、投影儀等儀器，品種有金鹵燈（汞燈） 、鏑燈、鈧鈉燈、鈉鉈燈等
  15. The detail is that starts from the fourth character image ( the middle of license plate ), centers it, and then segments every character seriatim to the direction of left and right. it makes full use of the feature of the image. the priori information of license plate does well with the character conglutination and character rupture and presents a nice pre - segment

    本文主要採用了引入先驗知識、垂直投影和最小包絡等方法從中間第四個字元開始，向左右兩邊進行逐一分割的方法，充分利用了圖像本身的特點，引進的先驗知識不受字元的粘連和斷裂的影響，有很好的預分割效果，最後的綜合分割效果較好，為字元的識別造好了準備。
  16. Neg : reverses the movement direction of the control points

    將控制點投影方向反向。
  17. Galvanometer spot project

    電流計光點投影器
  18. Analysis and research on the projection declination of horsehead ' s pendulous point of beam pumping unit

    游梁式抽油機驢頭懸點投影偏差的分析研究
  19. In the mesh the local geometric and topological property can be clearly described with its adjacent points for a given point. then the delaunay triangulation technique in two dimensions is used to delete and modify the illegal triangles in the resulting mesh

    本文採用切平面作為曲面的局部近似，將局部的采樣點投影到切平面上，並對投影點集作二維delaunay三角剖分，最後根據投影點上的鄰接關系確定三維點之間的連接關系。
  20. In this thesis, our research work mainly focuses on the second aspect, including : 1 perfecting the generation algorithms of stereoscopic image and video on the basis of moving flatly, we brought forward the cylindrical projection and spherical projection algorithms, projecting the flat image or video from two viewing points to the cylinder or sphere to get the stereoscopic image or video, and compared these three algorithms based on the theory and practice

    本文的工作內容主要集中在第二方面，包括： 1完善了體視生成演算法在平移演算法的基礎上，提出了柱面投影和球面投影演算法，把二維平面圖像或視頻從兩個投影點投影到柱面或球面上，以得到體視圖像或視頻，並在理論上和實際中對各種演算法進行了比較。
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