notesum.ai
Published at November 15Enhancing Diffusion Posterior Sampling for Inverse Problems by Integrating Crafted Measurements
cs.CV
cs.AI
cs.LG
Released Date: November 15, 2024
Authors: Shijie Zhou1, Huaisheng Zhu2, Rohan Sharma1, Ruiyi Zhang3, Kaiyi Ji1, Changyou Chen1
Aff.: 1University at Buffalo; 2The Pennsylvania State University; 3Adobe Research

| Dataset | Method | Gaussian Deblur | Motion Deblur | super-resolution () | |||||||||
| PSNR | SSIM | LPIPS | FID | PSNR | SSIM | LPIPS | FID | PSNR | SSIM | LPIPS | FID | ||
| FFHQ | DPS-CM (Ours) | 27.45 | 0.7819 | 0.2059 | 56.04 | 30.31 | 0.8585 | 0.1609 | 42.58 | 27.81 | 0.7942 | 0.2008 | 51.72 |
| DDRM | 25.20 | 0.7289 | 0.2976 | 105.06 | - | - | - | - | 26.89 | 0.7821 | 0.2667 | 95.23 | |
| DPS | 26.35 | 0.7533 | 0.2178 | 65.20 | 27.84 | 0.8023 | 0.2129 | 70.10 | 27.55 | 0.7886 | 0.2077 | 57.20 | |
| OPC | 27.06 | 0.7651 | 0.2196 | 61.76 | 26.20 | 0.7371 | 0.2535 | 66.63 | 26.90 | 0.7637 | 0.2400 | 76.33 | |
| DiffPIR | 24.13 | 0.6649 | 0.2919 | 76.96 | 26.35 | 0.7394 | 0.2487 | 64.25 | 25.74 | 0.7143 | 0.2711 | 67.19 | |
| PSLD | 28.45 | 0.7689 | 0.3019 | 99.90 | 26.19 | 0.6779 | 0.3667 | 137.88 | 27.91 | 0.7783 | 0.2783 | 87.82 | |
| ReSample | 26.10 | 0.6441 | 0.3361 | 100.21 | 28.26 | 0.7221 | 0.2937 | 89.80 | 23.23 | 0.4517 | 0.5061 | 151.20 | |
| ImageNet | DPS-CM (Ours) | 22.73 | 0.6147 | 0.3397 | 128.92 | 24.36 | 0.6814 | 0.3163 | 97.54 | 23.78 | 0.6450 | 0.3242 | 97.38 |
| DDRM | 21.48 | 0.5527 | 0.4948 | 242.38 | - | - | - | - | 22.72 | 0.6225 | 0.4252 | 196.32 | |
| DPS | 16.36 | 0.3449 | 0.5041 | 208.49 | 17.41 | 0.3970 | 0.4920 | 204.27 | 21.17 | 0.5404 | 0.3668 | 106.71 | |
| OPC | 18.93 | 0.4254 | 0.4579 | 132.38 | 18.43 | 0.3782 | 0.4989 | 174.44 | 19.44 | 0.4113 | 0.4836 | 169.71 | |
| DiffPIR | 20.62 | 0.4753 | 0.4445 | 154.12 | 23.38 | 0.6285 | 0.3711 | 120.58 | 22.97 | 0.5985 | 0.3840 | 119.66 | |
| PSLD | 23.45 | 0.6089 | 0.3419 | 131.90 | 23.18 | 0.5688 | 0.4206 | 167.57 | 23.79 | 0.6371 | 0.3346 | 120.68 | |
| ReSample | 22.79 | 0.5147 | 0.4355 | 172.17 | 23.95 | 0.5723 | 0.3929 | 125.33 | 21.04 | 0.3973 | 0.5001 | 203.56 | |