It is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two-dementional cubic convolution interpolation.
它在二维三次卷积插值法的基础上利用三次样条插值法的插值函数具有三阶连续导数的性质而得来的。
This paper mainly concerns two critical issues of IMRT: the objective function and the convolution kernels based on Monte Carlo method.
目标函数的构建和蒙特卡罗方法卷积核的获取，是调强放疗计划系统中的关键技术。
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