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通过极坐标变换获得中心投影曲线，从而利用中心投影进行图像分割。-Polar coordinates obtained by central projection curve to using a central projection for image segmentation.
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绘制正轴、横轴、等角、等面积、等距离方位投影，并可设定中央经线和加载地图数据-Drawing is axis, horizontal axis, equal angles, equal area, equidistant azimuth projection, and can set the central longitude and load map data
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高斯投影的正解算法，用c++实现的，在vc环境下，中央经线是117-Positive Solutions of Gauss projection algorithm, implemented with c++, vc environment in the central meridian is 117
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通过极坐标变换获得图像的中心投影曲线，然后利用傅里叶变换获得图像的不变特征，从而实现对发生形变的物体的识别。-Polar coordinates to obtain the image through the center of projection curve, and then Fourier transform to obtain images of the same features, enabling the identification of objects deformation
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测绘学中的高斯投影正反算，输入大地坐标相应参数，通过正算可得到高斯平面坐标；或输入中央子午线经度经反算得到大地坐标相应参数。-Gauss projection forward and backward count in geomatics. Input geodetic coordinate parameters,click direction algorithm ,user can get gauss plane coordinate or input Central meridian lon
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基于中心投影的不变特征提取，方法较新，使用的范围还不是很广，对二值图像和文字比较有用-Invariant feature extraction, based on the central projection of the newer methods, the use of the range is not very wide, more useful to the binary image and text
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高斯投影正算程序，实现经纬度坐标转换为平面直角坐标的功能。提供了交互式选择的三种转换方法，交互式输入中央子午线。-The Gauss Projection is counting procedures to achieve the function of latitude and longitude coordinates to Cartesian coordinate plane. Three conversion method provides interactive selection,
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很好的GPS/INS超紧组合导航的文章，关键词：GPS,INS，超紧组合导航，抗干扰-The performance of an Ultra-Tightly Coupled
(UTC) Global Positioning System/Inertial Navigation System
(GPS/INS) is evaluated using a system simulation of the GPS
receiver and navigation processing.
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快速计算中央子午线，实现投影带的转换和分析-Central meridian quick calculation, and analysis to achieve the conversion of projection zone
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本程序,可以将摄影的中心投影矫正到平行投影,提供了算法,非常有用,很复杂的数学问题-This procedure can be corrected to photography s central projection parallel projection, the algorithm provides a very useful, very complex mathematical problems
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大地测量学坐标正反算，可以选择不同的坐标系，设置中央子午线，进行大地坐标和高斯投影坐标之间的转换-Geodesy coordinates reverse calculation, you can a different coordinate system, set the central meridian, convert geodetic coordinates and Gauss projection coordinates between
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彭纳投影，彭纳投影即等积伪圆锥投影。为法国人彭纳所创。中央经线是直线，其他经线为对称于中央经线的曲线。纬线为同心圆弧。中央经线和标准纬线上没有变形，离开这两条线越远变形越大。图上所有纬线都保持长度不变，面积相等。彭纳投影常用作大洲图。-Bonne projection that pseudo equal area conic projection. Penner was created by Frenchman. Central meridian is a straight line, the
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Set of functions performing ct reconstruction tasks like a radon transformation, a simple backprojection, a filtered backprojection using a convolution in the spatial domain, a filtered backprojection using a 2D Fourier transformation, and a filtered
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高斯投影中央子午线对四参数相似变换影响，验证相似变换是否可以模拟不同中央子午线投影系统转换-Gauss projection central meridian of the four-parameter similarity transformation influence, verify whether the similarity transformation can simulate different central meridian of the projection system c
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该附件的函数可实现CT重建的功能，如简单的反投影，在空间域中使用卷积的滤波反投影，采用了二维傅立叶变换的滤波反投影，并利用中心切片定理滤波反投影。
CT技术诞生以来, 人们已经发展了众多的图像重建算法, 但各种算法均存在着各自的优缺点。解析重建(Analytic Reconstruction, AR)和迭代重建(Iterative Reconstruction, IR)是CT图像重建的两种基本方法。滤过反投影(Filtered Back Projection, FBP)是解析重建的主要算法
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