projection coordinates 中文意思是什麼

projection coordinates 解釋
射影坐標
  • 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...
  • coordinates : 坐標系
  1. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬時海面的深度數據;對測深數據進行誤差分析處理,去除野值;將多波束數據進行坐標變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制標準海圖。
  2. 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
  3. The company has advanced equipment, computer cad system, precise mould processing equipment, high speed punch, various electroplating production line and precise projection equipment, universal tool microscope, 3 coordinates measuring meters, fluorescent x - ray coating thickness thickness inspecting instruments

    公司設備先進,擁有計算機輔助設計系統,精密模具加工設備,高速精密沖床、各種鍍種的電鍍生產線以及精密投影儀、萬能工具顯微鏡、三坐標測量儀、熒光x線鍍層測厚儀等檢測設備。
  4. In the tracking of whole body, a model is described according to the body shape. using this model, simple and complicated movements such as walking and throwing motion are labeled, and the 2 - d coordinates of joints can be got. at last, the 3 - d positions of joints are obtained by the model of perspective projection combined with the relationship among joints, and human motion is recovered by 3 - d stick model

    在對全身運動跟蹤中,根據人體的形狀特徵描繪了人體區域模型圖,對全身步行及體操動作進行了二維跟蹤和標定,之後再利用攝像機的透視投影模型、人體關節間的骨骼連接關系和比例參數,把關節點在圖像序列中二維坐標恢復為三維坐標,最後用棒狀圖恢復了人體的三維結構。
  5. In hydrographic sweeping survey, considering that the surveyed route in design project description is a longer route which is composed of to geodetic coordinates, methods of mercator projection, utm ( universal transverse mercator ) projection and gauss - kruger projection were adopted to eliminate the direction deviation of sweeping survey, and conform to the conventional ay of sweeping survey as well

    摘要在海道掃測工作中,考慮到設計任務書中的掃測航路是由兩點大地坐標組成的較長路線,利用墨卡托投影和utm投影及高斯克呂格投影方式既能消除掃測航向的偏差,又能符合常規掃測方法。
  6. In the second part of this paper, different algorithm is introduced to locate different feature points. first, grey level projection and edge detection are used to find the coordinates of the pupil

    接著分別闡述了各個特徵點的提取方案:瞳孔的定位採用了灰度投影與邊緣檢測相結合的方法。
  7. If the vertex is outside of the viewing frustum, it is stored in the destination vertex buffer in projection space coordinates

    如果頂點在視錐平截體外部,則會以投影空間坐標的形式將其存儲在目標頂點緩沖區中。
  8. If this option is not specified, the world, view, and projection transforms are modified so that sprites are drawn in screen - space coordinates

    如果未指定此選項,則修改世界、視圖和投影轉換,以便以屏幕空間坐標繪制子畫面。
  9. 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。
  10. A software to process modis data is made in vc + + 6. 0 development environment based on the hdf4 library and the general cartographic transformation package ( gctp ). from which users can extract earth view data of different band or resolution and other ancillary data according to users " demand. it supports most current projection types and can transform projection coordinates forwardly or inversely and can calculate ndvi and evi

    利用vc + + 6 . 0面向對象開發環境,以hdf4庫和gctp投影軟體包為基礎,編寫了modis數據處理軟體,可根據用戶需要提取不同波段和解析度的對地觀測數據以及各種輔助數據,支持目前通用的大部分投影方式,可對投影坐標做正向和逆向變換,能計算ndvi和evi數值等等。
  11. 3. for geographic coordinates and cartesian coordinates transformation a model that include 7 parameters and the guess - kruger projection were used. the difference of calculation between the above method and trimble tgo software is less than 1cm

    選用了7參數布爾莎模型進行wgs - 1984空間直角坐標系與北京1954空間直角坐標系之間的轉換;使用了高斯-克里格投影進行大地坐標系與平面直角坐標系之間的轉換。
  12. This paper is composed of two parts including 5 chapters. in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry - model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates. otherwise, through studying eclipse ' s shape and size, this paper uses a math - function - model to eliminating eclipse shadow

    本文共有五章,主要內容分為兩部分;第一部分包括第二、三章的內容,利用可見光雲圖成像原理以及點的投影法,將平面雲圖投影到三維直角坐標的球面上,對用於雲圖陰影訂正的原幾何模型法加以改進,得到改進的幾何模型法,並進行日食陰影訂正實驗;本文還利用數學函數模型法,通過研究月球在地球表面投射陰影的形狀及其受影響程度,從另一方面進行可見光雲圖日食陰影的訂正實驗研究。
  13. According to the first means and disadvantage of classical seal image registration methods, a double - level registration method, which includes a projection convolution in polar coordinates in rough registration level and a heuristic search in precise registration level, is used to complement the precise registration

    對第一類特徵,本文針對經典演算法的缺陷,提出利用極坐標投影卷積和啟發式搜索相結合的雙層配準策略進行印鑒圖像的配準。
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