您可以通过保证范围（每个投影长度单元对应多少像素）在x和y方向上相同（或接近）来防止这种情况发生。
You can prevent this by making sure the scale (how many pixels correspond to each projected unit of distance) is the same (or close) in both the x and y directions.
根据对投影矩阵的退化点结构的影响，改进了选取标定的对应点个数和用户头部的运动轨迹。
According to the influence of degenerate point configurations of projection matrix, the number of calibration correspondences and the track of users head are improved.
提出了一种多分辨投影匹配与对应点分析相结合的血管轴重建方法。
This paper propose a novel method of Reconstruction of Vessel Axis on matching of multi-resolution projections and analyzing of corresponding points.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
然后在设计的代码序列中进行代码子序列匹配，得到场景表面、摄像机像面及投影平面三者之间的对应点。
The corresponding points between surface of scene, projection plane and camera image plane are worked out by matching subsequence in the designed sequence.
首先对原始图像进行柱面投影，然后通过对图象重叠部分的对应特征区域进行匹配和拼合来实现图象无缝镶嵌。
It first processes original images using cylindrical projection, and then realizes seamless mosaics of images by matching and fitting related featured areas in the overlapped parts of images.
本文提出了正交投影下卷积曲面和曲线对应的概念和相关定理，为二维的图像轮廓和三维人体模型之间的架起一道桥梁；
Second we present the convolution surface and curve correspondence theorem under orthogonal projection, which provide a bridge between 2D image contour and 3D human model.
在通常的三分量vsp数据中，各种类型的地震波所对应的位移矢量在检波器的各个分量上均有投影。
The displacement vectors corresponding to various seismic waves in usual 3-component VSP data produce projections on all geophone components.
首先，在芯模外侧创建与铺丝路径相对应的特定曲线，然后将曲线按特定方向投影在指定的偏置曲面上，形成初始路径。
First, a specific curve is created around the core module, and then it is projected on to specified surfaces in a particular direction and the projections are taken as initial paths.
小部分患者脐孔投影不对应任何血管。
Minor patients the projection of the umbilicus are not on any vessel.
用射线跟踪法，按射程计算将散射投影在平面图像对应单元的像素点上，得到自然地表的雷达图像模拟。
By using the ray tracing method, the scattering from all cells of scatters under a certain radar resolution is mapped into the image pixels.
针对应用于图像分割的自适应正交投影分解方法的具体算法的实现问题，提出了一种基于两阶段搜索的实现算法。
In this paper, a two-stage search fast algorithm for adaptive projective decomposition, which is used in image segmentation, is presented.
此系统利用投影结构光对现实世界中的物体进行数字化，同时得到对应的彩色纹理。
Using this system, the shape of an object can be digitized and the texture of this object can be obtained simultaneously.
对应特征点的三维重建是根据三角测量的方法计算其投影矩阵，然后用奇异值分解求出特征点的三维齐次坐标。
Feature points' 3d coordinates are computed through singular value decomposition of projector matrix, then compute projector matrix by triangulation.
固态体积式真三维立体显示是将三维目标体信息通过高速投影光学引擎依据显示信息表面各点深度不同分别投影到对应深度的显示体上。
Solid volumetric true 3D display projects a sequence of slices of a real object on a sequence of LC shutters locating at different depth, according to different depth information of the object.
固态体积式真三维立体显示是将三维目标体信息通过高速投影光学引擎依据显示信息表面各点深度不同分别投影到对应深度的显示体上。
Solid volumetric true 3D display projects a sequence of slices of a real object on a sequence of LC shutters locating at different depth, according to different depth information of the object.
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