Comparing to ART, MART has the advantages of iterative speed and iterative precision, while SIRT overcomes the problem of illegibility and SBFM can reduce the noise sharply.

• 与传统的ART法相比，MART法在迭代速度和迭代精度上有较大的优越性，SIRT法克服了采用代数重构技术所带来的模糊性，SBFM法使重构结果噪声明显减小。