Focusing on the high error and time consuming of the algorithms for shape from shading (SFS), a fast viscosity solution algorithm of perspective SFS (PSFS-FVS) is proposed.
针对传统的从明暗恢复形状(SFS)算法存在误差大、耗时长的问题，提出了一种SFS的快速黏性解算法(PSFS - FVS)。
A fast intersection algorithm for ray and NURBS surface is presented. The algorithm bases on the Newton iteration solution for equation set.
提出了一种基于牛顿迭代法解方程组的射线和NURBS曲面求交算法。
The example result shows that in the genetic algorithm the optimum global solution can be gained and the convergence speed is fast.
算例结果表明，用该方法能以较快的速度收敛于全局最优解。
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