For the first time, the inversion-free explicit formulae are derived for genus 3 HECC in projective coordinate system.
首次在射影坐标系下对亏格为3的超椭圆曲线密码体制推导了无需求逆的明确公式。
It is shown that the 2_dimensional projective coordinate system can be constructed by homogeneous vector on the basis of the Descartes homogeneous coordinates.
在笛氏齐次坐标的基础上，采用齐次向量的方法，建立二维射影坐标系。
Then, according to the base coordinate of locating rod, gain the coefficients of projective transformation.
然后根据定位杆的基准坐标，得到该层的射影变换算子T；
Single view metrology compute the 3d coordinate of a point based on the projective geometry's characteristic of cross-ratio invariability.
单视图测量理论主要是利用了射影几何中的交比不变性来计算图像上点的三维坐标。
Using projective and perspective transformations, the mathematical model of 3d vision inspection for grid structured light is established in homogeneous coordinate system in this paper.
本文在广义坐标系中采用投影和透视变换理论建立了网条结构光三维视觉检测模型。
Using projective and perspective transformations, the mathematical model of 3d vision inspection for grid structured light is established in homogeneous coordinate system in this paper.
本文在广义坐标系中采用投影和透视变换理论建立了网条结构光三维视觉检测模型。
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