In order to correct the distortion of C-arm projection image,a moving least squares combined with polynomial fitting glo......

The material point method(MPM)is an effective way to simulate the fluid-structure coupling problem with large deformatio......

针对移动最小二乘算法在图像变形过程中,求解的线性方程组系数矩阵会出现不可逆、求解不稳定的问题,通过引入Tikhonov正则化,运用L......