The real-time obtainment of the components of projection matrix and the substitution of constant step for optimal step in the one-dimension search in conjugate gradient were adopted to ensure the equality of reconstructed image from incomplete projections
The real-time obtainment of the components of projection matrix and the substitution of constant step for optimal step in the one-dimension search in conjugate gradient were adopted to ensure the equality of reconstructed image from incomplete projections
通过即时获取投影矩阵分量，以固定步长替代共轭梯度法中一维搜索最优迭代步长，在确保品质的同时缩短重建时间。