This paper studies the transformation matrixes for perspective projection and axonometric projection, deduces the general matrix for three dimensional graphic transformation.
对轴测投影和透视投影变换矩阵进行了研究,推出了三维图形变换的统一矩阵。
Then geometrical transformation matrix between views is obtained based on perspective projection model for X-ray angiography system, and 3D coordinate of spatial points are calculated.
然后根据冠脉造影系统的透视投影模型得到两幅不同角度的造影图像之间的几何变换关系,以及空间点三维坐标的计算方法。
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