立體投影法 的英文怎麼說
中文拼音 [lìtǐtóuyǐngfǎ]
立體投影法
英文
aeroprojection method- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 體 : 體構詞成分。
- 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 立體 : 1 (三維的) three dimensional; stereoscopic2 [數學] (幾何體) solid; body立體彩色電視 three dim...
-
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。The obtained homographs can be employed to distinguish between surfaces with different characteristics, and to classify the surfaces of a planar object. regions in a line drawing and surfaces of an object are matched based on homographs
最後,提出了一種新的以面作為匹配基元從單幅軸測投影線圖和單幅透視投影線圖識別平面立體的方法。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; 4The article takes the method of positive analysis and stands on the comprehensive systematic data in order to analyze the effect to chinese economy comprehensively, including the effect of investment, growth, technology, employment, structure promotion, export enhancement, district location, and system reform
本文採用實證分析的方法,立足於全面系統的數據,力求比較全面地分析外資對中國經濟產生的效應,包括對投資、增長、技術、就業、結構升級、擴大出口、地區經濟格局、體制改革等多方面的影響。Research on the gridding methods for biochip arrays, then the automatic gridding algorithm of biochip image based on projection is presented
對生物晶元圖象樣品點陣列的定位方法進行了具體的分析,建立了基於投影的生物晶元圖象樣品點陣列自動定位演算法。In 3d representations, the stereo projection is the best known
在3d表示法中,最著名的是立體投影。A projection algorithm combined with 3 color - fiducial vision - based registration for virtual object registration in augment reality system, based on coordinate transition and 3d projection in 3d space, is described in detail
結合三色基準注冊技術,藉助三維空間中的坐標系變換和立體投影變換演算法,建立增強現實系統中虛擬物體投影注冊模型,提出並推導增強現實系統的虛擬物體立體視覺投影注冊演算法。The maximum likelihood registration algorithm based on earth - centered earth - fixed ( ecef ) coordinate system considers the geometry of the global, and eliminates errors introduced by the stereographic projection. the simulation result based on this registration algorithm shows that the satisfied angular biases can be preliminarily obtained. 5
基於地心坐標系的傳感器極大似然配準演算法考慮到了地球曲率的影響,克服了立體投影法的缺陷;採用這種演算法,我們可以把不同傳感器局域坐標系的量測轉化到地心坐標系中,變成統一的量測,便於融合中心做進一步的處理;模擬結果表明這種演算法可以得到較為滿意的角度偏差。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。Through a deep study over the epipolarity based on the projection track method, the author puts forward the approximate line constraint method of dynamic epipolarity, and sets up constraint conditions of epipolarity in linear ccd push - broom stereo image matching, and proposes an imaging constraint method on the basis of application analysis of epipolarity, and taking imaging characteristics into account. 5
通過深入研究基於投影軌跡法的核線模型,提出了動態核線的近似直線約束方法,建立了線陣ccd推掃式影像立體匹配的核線約束條件;在核線應用分析的基礎上,結合影像立體成像的特點,提出了一種基於核線的成像約束方法。In this paper, we study and analysis the base distribution in human dna sequences. on the basis of the distribution sphere whose radius equal to 1 / 4 by zhang et al. expounded, with the method of plane mapping figure studying 6000 human dna sequences, and according to the figure of sierpinski gasket ' s patch and the brillouin zones of the face - centered cube, we obtain two new distribution figures, one is the frustum - octahedron, another is the regular - octahedron
我們在zhangetal .提出的人類dna序列的堿基分佈為半徑是1 / 4球分佈的基礎上,用平面投影圖的方法研究和分析了6000組人類dna序列的數據,並且根據塞爾賓斯基鋪墊的補形和面心立方的布里淵區圖形提出了兩種新的分布圖,一種是正八面體,另一種是截角八面體(十四面體) 。For the detail structure of pushing equipment, the mathematical model was proposed using planar projection algorithm based on the former experiences. combining optimum theory the optical object with four parameters was determined. the due to genetic algorithm ( ga ), the design and technical parameters consistent with the original designing were solved, further to get the original mathematical model of original designing
本文針對推料裝置的具體結構,在前人的經驗基礎之上,利用平面投影方法建立直動型推料機構的數學模型,結合優化理論,確定四參數的優化目標,使用遺傳演算法反求得最合原設計的設計參數。This software can be used to construct automatically 16 electrodes and 32 electrical electrodes finite element method ( fem ) division model. the equi - potential lines in any drive pattern can be plotted and the boundary potential changes in its forward problem can be obtained. using back projection method, the impedance imaging in simulation and real measurement can be reconstructed
該軟體對任意形狀、結構的場域可實現自動剖分,可建立16電極、 32電極求解模型;正問題部分可給出各種激勵情況下的等位線分佈和邊界電位變化情況;逆問題部分用反投影法實現了圖像重構,並成功應用於所研製的測試系統。According to projection features and projection characteristics of the boss - eyed plane, we can adopt " the way of analyzing the line frames from the projection of an object surface " to analyze the combination shape and hence construct the three - dimensional drawing
根據可視面的投影性質和投影特徵,可採用「表面框分析法」對組合體形狀進行分析,從而確定三維立體圖。Compared with the old ones, some improvements are obtained by using this method, such as pattern recognition scope, speed of pattern searching and matching, etc. furthermore, the new algorithm has stronger flexibility and stability. the information acquisition technique of intersected primitive based on combined relationship is provided. with the help of obtained engineering semantics, the correlative projections implying combined relationship among primitives are defined as combined factor
根據已經獲取的工程語義,將隱含基元體之間組合關系的相關投影定義為組合因子,由此建立組合關系表,最後藉助組合關系表,採用回溯的方法,即從二維的組合因子出發,找出它所隱含的兩兩基元體在三維空間中的組合關系,進而對該組合關系的主體?基元體的信息進行識別和獲取。Thirdly, analyse stereoscopic hardware and software technologies. three kinds of methods : rotations with perspective projection, parallel projection and two centers of projection that are with their difference are reviewed. based this, we decide to use two centers of projection for computing the left eye and right eye views of stereo pair
然後分別分析了立體顯示硬體和軟體技術,介紹了計算立體顯示的三種演算法:透視投影旋轉法、平行投影法和雙中心投影法,並分析它們的優缺點,由此決定使用雙中心投影法實現本課題的立體顯示。Two methods have been proposed and applied : setting up error model by time series analyzing, displaying vehicle tract by map matching. digital map and software for the paper have been designed by gis tool and high language, software can receive nmea sentence, process gps data and display the vehicle track on the digital map
論文根據車輛定位系統的功能要求設計了軟體系統,實現了在計算機上接收gps接收機輸出,對原始gps數據進行處理和輸出;採用gis開發工具設計了數字地圖,設計多個圖層,建立路段數據庫,應用投影匹配方法將車輛位置軌跡顯示在數字地圖上。The method builds a weighted grey relation matrix of the evaluation indexes for aircraft conceptual design schemes with grey relation theory, then calculates grey relation projection values of the design schemes on the perfect scheme by vector projection theory, the design schemes can be evaluated by the grey relation projection values
該方法採用灰色關聯理論建立各總體設計方案對評價指標集的加權灰色關聯判斷矩陣,然後利用矢量投影原理計算各設計方案相對理想方案的灰色關聯投影值,以灰色關聯投影值的大小來評價設計方案的優劣。The dxf data of 2d information are preprocessed, the three views are recognized automatically, and the project center is found, so the difficulties of feature reconstruction are depressed and the efficiency of the algorithmic is increased
對dxf文件提供的數據進行預處理,對三視圖進行自動分離,並確定投影中心,使得三維立體特徵的識別難度降低,提高了演算法的識別效率。The geometric models are positioned and oriented in the three - dimensional space with a viewpoint easily to view the scene. a series of transformations functions of opengl such as matrix multiplication, include modeling, viewing, and projection operations
Opengl為建立取景體提供了一系列基本的變換函數,它由矩陣乘法來表達,包括模型化操作、視圖操作和投影操作。分享友人