《计算机应用》唯一官方网站 ›› 2026, Vol. 46 ›› Issue (10): 3324-3331.DOI: 10.11772/j.issn.1001-9081.2025081031
• 多媒体计算与计算机仿真 • 上一篇
收稿日期:2025-09-08
修回日期:2025-11-01
接受日期:2025-11-13
发布日期:2025-11-18
出版日期:2026-10-10
通讯作者:
伊华伟
作者简介:张鑫(2001—),男,辽宁铁岭人,硕士研究生,主要研究方向:深度学习、图像超分辨率重建基金资助:
Xin ZHANG1, Huawei YI1(
), Mengyuan ZHAO1, Yanfei WANG1, Linchen ZHANG2
Received:2025-09-08
Revised:2025-11-01
Accepted:2025-11-13
Online:2025-11-18
Published:2026-10-10
Contact:
Huawei YI
About author:ZHANG Xin, born in 2001, M. S. candidate. His research interests include deep learning, image super-resolution reconstruction.Supported by:摘要:
盲图像超分辨率重建致力于在真实场景下将低分辨率(LR)图像恢复成清晰的高分辨率(HR)图像。目前大多数退化估计网络不能较好地估计LR图像的退化信息,并且超分辨率网络中传统残差?残差密集块(RRDB)的泛化能力较差,无法适应复杂的退化类型。针对以上问题,提出混合退化估计与动态残差?残差密集块(DRRDB)的盲图像超分辨率重建方法(IDD-SR)。首先,提出一种混合退化估计网络,并将它用于精确估计图像退化信息;其次,提出一种DRRDB,以提高超分辨率重建网络的普适性;最后,通过端到端联合优化,实现对复杂退化信息的精准预测与图像的高质量超分辨率重建。在Set14、BSD100和DRealSR数据集上的实验结果表明,相较于PDM-SRGAN,IDD-SR的4倍超分辨率峰值信噪比(PSNR)值分别提升了0.90 dB、0.71 dB和0.97 dB,验证了它具有更优的细节恢复能力与伪影抑制效果。
中图分类号:
张鑫, 伊华伟, 赵梦园, 王艳飞, 张林宸. 混合退化估计与动态残差‒残差密集块的盲图像超分辨率重建方法[J]. 计算机应用, 2026, 46(10): 3324-3331.
Xin ZHANG, Huawei YI, Mengyuan ZHAO, Yanfei WANG, Linchen ZHANG. Blind image super-resolution reconstruction method by integrating degradation estimation and dynamic residual-in-residual dense blocks[J]. Journal of Computer Applications, 2026, 46(10): 3324-3331.
| 权重变量 | 权重值 | PSNR/dB | SSIM | LPIPS |
|---|---|---|---|---|
| λ1 | 0.01 | 28.37 | 0.815 | 0.101 |
| 0.05 | 28.75 | 0.832 | 0.094 | |
| 0.10 | 29.95 | 0.867 | 0.081 | |
| 0.20 | 29.97 | 0.867 | 0.085 | |
| 0.50 | 30.01 | 0.869 | 0.093 | |
| λ2 | 0.1 | 29.89 | 0.870 | 0.085 |
| 0.2 | 29.93 | 0.868 | 0.083 | |
| 0.3 | 29.95 | 0.867 | 0.081 | |
| 0.5 | 29.97 | 0.862 | 0.080 | |
| 1.0 | 29.99 | 0.853 | 0.079 | |
| λ3 | 0.05 | 28.75 | 0.858 | 0.089 |
| 0.10 | 29.39 | 0.862 | 0.084 | |
| 0.20 | 29.95 | 0.867 | 0.081 | |
| 0.30 | 29.93 | 0.868 | 0.084 | |
| 0.50 | 29.87 | 0.870 | 0.091 | |
| λ4 | 0.001 | 28.45 | 0.861 | 0.086 |
| 0.005 | 28.81 | 0.864 | 0.083 | |
| 0.010 | 29.95 | 0.867 | 0.081 | |
| 0.020 | 29.98 | 0.867 | 0.079 | |
| 0.050 | 30.03 | 0.871 | 0.076 |
表1 各权重不同取值下的PSNR、SSIM和LPIPS值
Tab. 1 PSNR, SSIM, and LPIPS values under different weight values
| 权重变量 | 权重值 | PSNR/dB | SSIM | LPIPS |
|---|---|---|---|---|
| λ1 | 0.01 | 28.37 | 0.815 | 0.101 |
| 0.05 | 28.75 | 0.832 | 0.094 | |
| 0.10 | 29.95 | 0.867 | 0.081 | |
| 0.20 | 29.97 | 0.867 | 0.085 | |
| 0.50 | 30.01 | 0.869 | 0.093 | |
| λ2 | 0.1 | 29.89 | 0.870 | 0.085 |
| 0.2 | 29.93 | 0.868 | 0.083 | |
| 0.3 | 29.95 | 0.867 | 0.081 | |
| 0.5 | 29.97 | 0.862 | 0.080 | |
| 1.0 | 29.99 | 0.853 | 0.079 | |
| λ3 | 0.05 | 28.75 | 0.858 | 0.089 |
| 0.10 | 29.39 | 0.862 | 0.084 | |
| 0.20 | 29.95 | 0.867 | 0.081 | |
| 0.30 | 29.93 | 0.868 | 0.084 | |
| 0.50 | 29.87 | 0.870 | 0.091 | |
| λ4 | 0.001 | 28.45 | 0.861 | 0.086 |
| 0.005 | 28.81 | 0.864 | 0.083 | |
| 0.010 | 29.95 | 0.867 | 0.081 | |
| 0.020 | 29.98 | 0.867 | 0.079 | |
| 0.050 | 30.03 | 0.871 | 0.076 |
| 放大因子 | 模型 | PSNR/dB | ||||||
|---|---|---|---|---|---|---|---|---|
| Set5 | Set14 | BSD100 | Urban100 | Manga109 | RealSR | DRealSR | ||
| 2 | SROOE | 34.26 | 30.25 | 29.81 | 30.11 | 30.57 | 27.16 | 27.29 |
| SPSR | 34.48 | 30.79 | 30.24 | 30.28 | 31.14 | 28.31 | 28.43 | |
| DIPDKP | 33.31 | 30.04 | 29.51 | 28.47 | 30.18 | 29.36 | 29.53 | |
| PDM-SRGAN | 35.38 | 25.28 | 31.06 | 30.13 | 31.49 | 30.45 | 30.81 | |
| DARSR | 32.48 | |||||||
| IDD-SR | 36.13 | 32.22 | 31.78 | 31.02 | 31.36 | 31.81 | ||
| 3 | SROOE | 30.46 | 26.46 | 25.89 | 25.16 | 26.73 | 23.25 | 23.57 |
| SPSR | 30.74 | 26.89 | 26.33 | 25.35 | 27.24 | 24.46 | 24.78 | |
| DIPDKP | 29.51 | 26.21 | 25.67 | 24.65 | 26.34 | 25.14 | 25.64 | |
| PDM-SRGAN | 31.58 | 27.49 | 27.21 | 26.34 | 27.78 | 26.14 | 26.48 | |
| DARSR | 28.68 | |||||||
| IDD-SR | 32.47 | 28.56 | 28.11 | 27.23 | 27.12 | 27.43 | ||
| 4 | SROOE | 28.22 | 24.23 | 23.78 | 23.07 | 24.51 | 21.14 | 21.21 |
| SPSR | 28.44 | 24.75 | 24.21 | 23.25 | 25.13 | 22.27 | 22.32 | |
| DIPDKP | 27.27 | 24.01 | 23.48 | 22.42 | 24.14 | 22.31 | 22.38 | |
| PDM-SRGAN | 29.34 | 25.28 | 25.02 | 24.05 | 25.43 | 23.72 | 23.84 | |
| DARSR | 26.41 | |||||||
| IDD-SR | 29.95 | 26.18 | 25.73 | 24.89 | 24.73 | 24.81 | ||
表2 不同放大因子下,在基准数据集上不同模型的PSNR比较
Tab. 2 PSNR comparison of different models on the benchmark dataset under various amplification factors
| 放大因子 | 模型 | PSNR/dB | ||||||
|---|---|---|---|---|---|---|---|---|
| Set5 | Set14 | BSD100 | Urban100 | Manga109 | RealSR | DRealSR | ||
| 2 | SROOE | 34.26 | 30.25 | 29.81 | 30.11 | 30.57 | 27.16 | 27.29 |
| SPSR | 34.48 | 30.79 | 30.24 | 30.28 | 31.14 | 28.31 | 28.43 | |
| DIPDKP | 33.31 | 30.04 | 29.51 | 28.47 | 30.18 | 29.36 | 29.53 | |
| PDM-SRGAN | 35.38 | 25.28 | 31.06 | 30.13 | 31.49 | 30.45 | 30.81 | |
| DARSR | 32.48 | |||||||
| IDD-SR | 36.13 | 32.22 | 31.78 | 31.02 | 31.36 | 31.81 | ||
| 3 | SROOE | 30.46 | 26.46 | 25.89 | 25.16 | 26.73 | 23.25 | 23.57 |
| SPSR | 30.74 | 26.89 | 26.33 | 25.35 | 27.24 | 24.46 | 24.78 | |
| DIPDKP | 29.51 | 26.21 | 25.67 | 24.65 | 26.34 | 25.14 | 25.64 | |
| PDM-SRGAN | 31.58 | 27.49 | 27.21 | 26.34 | 27.78 | 26.14 | 26.48 | |
| DARSR | 28.68 | |||||||
| IDD-SR | 32.47 | 28.56 | 28.11 | 27.23 | 27.12 | 27.43 | ||
| 4 | SROOE | 28.22 | 24.23 | 23.78 | 23.07 | 24.51 | 21.14 | 21.21 |
| SPSR | 28.44 | 24.75 | 24.21 | 23.25 | 25.13 | 22.27 | 22.32 | |
| DIPDKP | 27.27 | 24.01 | 23.48 | 22.42 | 24.14 | 22.31 | 22.38 | |
| PDM-SRGAN | 29.34 | 25.28 | 25.02 | 24.05 | 25.43 | 23.72 | 23.84 | |
| DARSR | 26.41 | |||||||
| IDD-SR | 29.95 | 26.18 | 25.73 | 24.89 | 24.73 | 24.81 | ||
| 放大因子 | 模型 | Set5 | Set14 | BSD100 | Urban100 | Manga109 | RealSR | DRealSR |
|---|---|---|---|---|---|---|---|---|
| 2 | SROOE | 0.874 | 0.741 | 0.693 | 0.681 | 0.751 | 0.664 | 0.667 |
| SPSR | 0.897 | 0.764 | 0.719 | 0.695 | 0.766 | 0.675 | 0.679 | |
| DIPDKP | 0.862 | 0.715 | 0.682 | 0.672 | 0.726 | 0.686 | 0.697 | |
| PDM-SRGAN | 0.904 | 0.776 | 0.744 | 0.708 | 0.787 | 0.712 | 0.734 | |
| DARSR | 0.802 | 0.731 | 0.761 | |||||
| IDD-SR | 0.933 | 0.813 | 0.766 | 0.737 | ||||
| 3 | SROOE | 0.842 | 0.706 | 0.663 | 0.651 | 0.689 | 0.635 | 0.639 |
| SPSR | 0.867 | 0.731 | 0.686 | 0.657 | 0.707 | 0.642 | 0.644 | |
| DIPDKP | 0.824 | 0.683 | 0.652 | 0.643 | 0.657 | 0.648 | 0.656 | |
| PDM-SRGAN | 0.875 | 0.746 | 0.713 | 0.676 | 0.719 | 0.675 | 0.689 | |
| DARSR | 0.737 | 0.695 | 0.724 | |||||
| IDD-SR | 0.903 | 0.764 | 0.728 | 0.705 | ||||
| 4 | SROOE | 0.811 | 0.674 | 0.631 | 0.617 | 0.689 | 0.603 | 0.609 |
| SPSR | 0.824 | 0.696 | 0.655 | 0.631 | 0.707 | 0.609 | 0.611 | |
| DIPDKP | 0.787 | 0.651 | 0.618 | 0.611 | 0.657 | 0.613 | 0.615 | |
| PDM-SRGAN | 0.842 | 0.713 | 0.667 | 0.642 | 0.719 | 0.635 | 0.639 | |
| DARSR | 0.737 | 0.663 | 0.669 | |||||
| IDD-SR | 0.867 | 0.737 | 0.686 | 0.672 |
表3 不同放大因子下,在基准数据集上不同模型的SSIM比较
Tab. 3 SSIM comparison of different models on the benchmark dataset under various amplification factors
| 放大因子 | 模型 | Set5 | Set14 | BSD100 | Urban100 | Manga109 | RealSR | DRealSR |
|---|---|---|---|---|---|---|---|---|
| 2 | SROOE | 0.874 | 0.741 | 0.693 | 0.681 | 0.751 | 0.664 | 0.667 |
| SPSR | 0.897 | 0.764 | 0.719 | 0.695 | 0.766 | 0.675 | 0.679 | |
| DIPDKP | 0.862 | 0.715 | 0.682 | 0.672 | 0.726 | 0.686 | 0.697 | |
| PDM-SRGAN | 0.904 | 0.776 | 0.744 | 0.708 | 0.787 | 0.712 | 0.734 | |
| DARSR | 0.802 | 0.731 | 0.761 | |||||
| IDD-SR | 0.933 | 0.813 | 0.766 | 0.737 | ||||
| 3 | SROOE | 0.842 | 0.706 | 0.663 | 0.651 | 0.689 | 0.635 | 0.639 |
| SPSR | 0.867 | 0.731 | 0.686 | 0.657 | 0.707 | 0.642 | 0.644 | |
| DIPDKP | 0.824 | 0.683 | 0.652 | 0.643 | 0.657 | 0.648 | 0.656 | |
| PDM-SRGAN | 0.875 | 0.746 | 0.713 | 0.676 | 0.719 | 0.675 | 0.689 | |
| DARSR | 0.737 | 0.695 | 0.724 | |||||
| IDD-SR | 0.903 | 0.764 | 0.728 | 0.705 | ||||
| 4 | SROOE | 0.811 | 0.674 | 0.631 | 0.617 | 0.689 | 0.603 | 0.609 |
| SPSR | 0.824 | 0.696 | 0.655 | 0.631 | 0.707 | 0.609 | 0.611 | |
| DIPDKP | 0.787 | 0.651 | 0.618 | 0.611 | 0.657 | 0.613 | 0.615 | |
| PDM-SRGAN | 0.842 | 0.713 | 0.667 | 0.642 | 0.719 | 0.635 | 0.639 | |
| DARSR | 0.737 | 0.663 | 0.669 | |||||
| IDD-SR | 0.867 | 0.737 | 0.686 | 0.672 |
| 放大因子 | 模型 | Set5 | Set14 | BSD100 | Urban100 | Manga109 | RealSR | DRealSR |
|---|---|---|---|---|---|---|---|---|
| 2 | SROOE | 0.083 | 0.093 | 0.104 | 0.114 | 0.088 | 0.133 | 0.131 |
| SPSR | 0.075 | 0.086 | 0.098 | 0.105 | 0.081 | 0.138 | 0.125 | |
| DIPDKP | 0.091 | 0.102 | 0.114 | 0.121 | 0.093 | 0.116 | 0.107 | |
| PDM-SRGAN | 0.066 | 0.077 | 0.087 | 0.093 | 0.072 | 0.091 | 0.086 | |
| DARSR | 0.057 | 0.061 | 0.074 | 0.069 | ||||
| IDD-SR | 0.061 | 0.069 | 0.075 | |||||
| 3 | SROOE | 0.095 | 0.104 | 0.118 | 0.125 | 0.098 | 0.143 | 0.139 |
| SPSR | 0.086 | 0.094 | 0.106 | 0.117 | 0.091 | 0.147 | 0.133 | |
| DIPDKP | 0.096 | 0.109 | 0.121 | 0.126 | 0.101 | 0.128 | 0.122 | |
| PDM-SRGAN | 0.077 | 0.097 | 0.097 | 0.102 | 0.081 | 0.111 | 0.103 | |
| DARSR | 0.068 | 0.068 | 0.085 | 0.081 | ||||
| IDD-SR | 0.072 | 0.079 | 0.087 | |||||
| 4 | SROOE | 0.103 | 0.113 | 0.126 | 0.134 | 0.108 | 0.153 | 0.151 |
| SPSR | 0.097 | 0.106 | 0.119 | 0.125 | 0.101 | 0.148 | 0.145 | |
| DIPDKP | 0.109 | 0.121 | 0.134 | 0.142 | 0.113 | 0.145 | 0.142 | |
| PDM-SRGAN | 0.087 | 0.098 | 0.107 | 0.114 | 0.092 | 0.124 | 0.118 | |
| DARSR | 0.079 | 0.081 | 0.096 | 0.094 | ||||
| IDD-SR | 0.083 | 0.092 | 0.095 |
表4 不同放大因子下,在基准数据集上不同模型的LPIPS比较
Tab. 4 LPIPS comparison of different models on the benchmark dataset under various amplification factors
| 放大因子 | 模型 | Set5 | Set14 | BSD100 | Urban100 | Manga109 | RealSR | DRealSR |
|---|---|---|---|---|---|---|---|---|
| 2 | SROOE | 0.083 | 0.093 | 0.104 | 0.114 | 0.088 | 0.133 | 0.131 |
| SPSR | 0.075 | 0.086 | 0.098 | 0.105 | 0.081 | 0.138 | 0.125 | |
| DIPDKP | 0.091 | 0.102 | 0.114 | 0.121 | 0.093 | 0.116 | 0.107 | |
| PDM-SRGAN | 0.066 | 0.077 | 0.087 | 0.093 | 0.072 | 0.091 | 0.086 | |
| DARSR | 0.057 | 0.061 | 0.074 | 0.069 | ||||
| IDD-SR | 0.061 | 0.069 | 0.075 | |||||
| 3 | SROOE | 0.095 | 0.104 | 0.118 | 0.125 | 0.098 | 0.143 | 0.139 |
| SPSR | 0.086 | 0.094 | 0.106 | 0.117 | 0.091 | 0.147 | 0.133 | |
| DIPDKP | 0.096 | 0.109 | 0.121 | 0.126 | 0.101 | 0.128 | 0.122 | |
| PDM-SRGAN | 0.077 | 0.097 | 0.097 | 0.102 | 0.081 | 0.111 | 0.103 | |
| DARSR | 0.068 | 0.068 | 0.085 | 0.081 | ||||
| IDD-SR | 0.072 | 0.079 | 0.087 | |||||
| 4 | SROOE | 0.103 | 0.113 | 0.126 | 0.134 | 0.108 | 0.153 | 0.151 |
| SPSR | 0.097 | 0.106 | 0.119 | 0.125 | 0.101 | 0.148 | 0.145 | |
| DIPDKP | 0.109 | 0.121 | 0.134 | 0.142 | 0.113 | 0.145 | 0.142 | |
| PDM-SRGAN | 0.087 | 0.098 | 0.107 | 0.114 | 0.092 | 0.124 | 0.118 | |
| DARSR | 0.079 | 0.081 | 0.096 | 0.094 | ||||
| IDD-SR | 0.083 | 0.092 | 0.095 |
| 模型 | 参数量/106 | 浮点计算量/GFLOPs | PSNR/dB |
|---|---|---|---|
| ESRGAN | 15.0 | 10.2 | 28.06 |
| SROOE | 14.4 | 9.6 | 28.22 |
| SPSR | 16.5 | 12.4 | 28.43 |
| DIP-DKP | 22.3 | 18.5 | 27.27 |
| PDM-SRGAN | 19.7 | 16.3 | 29.34 |
| DARSR | 20.1 | 15.7 | 29.48 |
| IDD-SR | 17.2 | 12.8 | 29.95 |
表5 各模型复杂度和PSNR值的比较
Tab. 5 Comparison of model complexity and PSNR values among various models
| 模型 | 参数量/106 | 浮点计算量/GFLOPs | PSNR/dB |
|---|---|---|---|
| ESRGAN | 15.0 | 10.2 | 28.06 |
| SROOE | 14.4 | 9.6 | 28.22 |
| SPSR | 16.5 | 12.4 | 28.43 |
| DIP-DKP | 22.3 | 18.5 | 27.27 |
| PDM-SRGAN | 19.7 | 16.3 | 29.34 |
| DARSR | 20.1 | 15.7 | 29.48 |
| IDD-SR | 17.2 | 12.8 | 29.95 |
混合退化 估计网络 | DRRDB | 端到端 联合优化 | PSNR/dB | SSIM | LPIPS |
|---|---|---|---|---|---|
| 28.06 | 0.803 | 0.109 | |||
| | 28.86 | 0.837 | 0.095 | ||
| | 29.05 | 0.841 | 0.092 | ||
| | 28.45 | 0.828 | 0.097 | ||
| | | 29.26 | 0.852 | 0.083 | |
| | | 29.08 | 0.849 | 0.087 | |
| | | 28.97 | 0.845 | 0.091 | |
| | | | 29.95 | 0.867 | 0.081 |
表6 消融实验结果
Tab. 6 Ablation study results
混合退化 估计网络 | DRRDB | 端到端 联合优化 | PSNR/dB | SSIM | LPIPS |
|---|---|---|---|---|---|
| 28.06 | 0.803 | 0.109 | |||
| | 28.86 | 0.837 | 0.095 | ||
| | 29.05 | 0.841 | 0.092 | ||
| | 28.45 | 0.828 | 0.097 | ||
| | | 29.26 | 0.852 | 0.083 | |
| | | 29.08 | 0.849 | 0.087 | |
| | | 28.97 | 0.845 | 0.091 | |
| | | | 29.95 | 0.867 | 0.081 |
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