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 2 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3）

Tab.2 Performance evaluation indicators of different image resolution algorithms on four test sets (magnification is 3)

算法 Set5 Set14 BSD100 Urban100 PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM Bicubic 30.39 0.868 2 27.55 0.774 2 27.21 0.738 5 24.46 0.734 9 SRCNN[13] 32.75 0.909 0 29.30 0.821 5 28.41 0.786 3 26.24 0.798 9 FSRCNN[14] 33.18 0.914 0 29.37 0.824 0 28.53 0.791 0 26.43 0.808 0 VDSR[16] 33.67 0.921 0 29.78 0.832 0 28.83 0.799 0 27.14 0.829 0 RFDN[31] 34.41 0.927 3 30.34 0.842 0 29.09 0.805 0 28.21 0.852 5 A2N[22] 34.47 0.927 9 30.44 0.843 7 29.14 0.805 9 28.41 0.857 0 本研究 34.58 0.928 8 30.51 0.845 6 29.20 0.807 9 28.66 0.863 4