基于多级连续编码与解码的图像超分辨率重建算法

宋昭漾,赵小强,惠永永,蒋红梅

Image super-resolution reconstruction algorithm based on multi-level continuous encoding and decoding

Zhao-yang SONG,Xiao-qiang ZHAO,Yong-yong HUI,Hong-mei JIANG

表 1 不同图像重建算法在4个测试集上的性能评价指标（放大倍数为2）

Tab.1 Performance evaluation indicators of different image resolution algorithms on four test sets (magnification is 2)

算法 Set5 Set14 BSD100 Urban100 PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM Bicubic 33.66 0.929 9 30.24 0.868 8 29.56 0.843 1 26.88 0.840 3 SRCNN[13] 36.66 0.954 2 32.45 0.906 7 31.36 0.887 9 29.50 0.894 6 FSRCNN[14] 37.05 0.956 0 32.66 0.909 0 31.53 0.892 0 29.88 0.902 0 VDSR[16] 37.53 0.959 0 33.05 0.913 0 31.90 0.896 0 30.77 0.914 0 DBPN[30] 38.09 0.960 0 33.85 0.919 0 32.27 0.900 0 32.55 0.932 4 RFDN[31] 38.05 0.960 6 33.68 0.918 4 32.16 0.899 4 32.12 0.927 8 A2N[22] 38.06 0.960 8 33.75 0.919 4 32.22 0.900 2 32.43 0.931 1 本研究 38.17 0.961 0 33.94 0.920 8 32.28 0.901 0 32.74 0.934 2