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 3 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4）

Tab.3 Performance evaluation indicators of different image resolution algorithms on four test sets (magnification is 4)

算法 Set5 Set14 BSD100 Urban100 PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM Bicubic 28.42 0.810 4 26.00 0.702 7 25.96 0.667 5 23.14 0.657 7 SRCNN[13] 30.48 0.862 8 27.50 0.751 3 26.90 0.710 1 24.52 0.722 1 FSRCNN[14] 30.72 0.866 0 27.61 0.755 0 26.98 0.715 0 24.62 0.728 0 VDSR[16] 31.35 0.883 0 28.02 0.768 0 27.29 0.725 1 25.18 0.754 0 DBPN[30] 32.47 0.898 0 28.82 0.786 0 27.72 0.740 0 26.38 0.794 6 RFDN[31] 32.24 0.895 2 28.61 0.781 9 27.57 0.736 0 26.11 0.785 8 A2N[22] 32.30 0.896 6 28.71 0.784 2 27.61 0.737 4 26.27 0.792 0 本研究 32.37 0.897 1 28.76 0.785 7 27.55 0.734 0 26.41 0.797 4