改进Transformer的肺部CT图像超分辨率重建

刘杰,吴优,田佳禾,韩轲

Based on improved Transformer for super-resolution reconstruction of lung CT images

Jie LIU,You WU,Jiahe TIAN,Ke HAN

表 1 所提网络在2个数据集中6种膨胀率下的图像质量客观评价结果

Tab.1 Objective evaluation results of image quality for proposed network at six dilation rates in two datasets

数据集 SSIM PSNR/dB l=(1,1,1) l=(1,2,5) l=(1,2,3) l=(1,3,5) l=(2,4,8) l=(6,6,6) l=(1,1,1) l=(1,2,5) l=(1,2,3) l=(1,3,5) l=(2,4,8) l=(6,6,6) COVID-CT 0.694 0.792 0.776 0.783 0.723 0.670 26.938 27.210 27.114 27.275 27.012 26.701 SARS-CoV-2 0.812 0.849 0.837 0.824 0.737 0.704 26.976 28.362 28.175 28.190 27.244 26.917