Computational and Mathematical Methods in Medicine / 2015 / Article / Tab 3

Research Article

A Model of Regularization Parameter Determination in Low-Dose X-Ray CT Reconstruction Based on Dictionary Learning

Table 3

Comparing criterions of the results reconstructed by different algorithms (head).

AlgorithmCriterionNoise level
0.0%0.1%0.2%

SARTNMAD (%)1.09042.20174.0009
SNR (dB)36.855431.657526.4913
GPBBNMAD (%)0.48371.16312.7798
SNR (dB)45.040536.756529.4104
ADSIRNMAD (%)0.59810.93701.1693
SNR (dB)39.051534.954832.8972
AWR-ADSIRNMAD (%)0.67650.94381.1572
SNR (dB)37.722534.968732.9703