Research map / Image generation / Image restoration
Invertible Image Signal Processing
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| replace separate inverse mapping with the jointly trained invertible InvISP pipeline | RAW-to-RGB and RGB-to-RAW reconstruction · NIKON D700 | PSNR (RAW): 30.12 -> 45.23 | Helped |
| replace separate inverse mapping with the jointly trained invertible InvISP pipeline | RAW-to-RGB and RGB-to-RAW reconstruction · Canon EOS 5D | PSNR (RAW): 26.31 -> 48.57 | Helped |
| add JPEG simulation with Fourier quantization (ablation) | InvISP · NIKON D700 | SSIM (RGB): 0.9309 -> 0.9473 | Helped |
| add JPEG simulation with Fourier quantization (ablation) | InvISP · NIKON D700 | PSNR (RAW): 44.19 -> 45.23 | Helped |
| add JPEG simulation with Fourier quantization (ablation) | InvISP · Canon EOS 5D | PSNR (RAW): 45.73 -> 48.57 | Helped |
| use Fourier quantization instead of DSQ in the JPEG simulator (ablation) | InvISP · NIKON D700 | PSNR (RAW): 45.25 -> 45.23 | No clear effect |
| use Fourier quantization instead of DSQ in the JPEG simulator (ablation) | InvISP · Canon EOS 5D | PSNR (RAW): 48.22 -> 48.57 | Helped |
| use Fourier quantization instead of DSQ in the JPEG simulator (ablation) | InvISP · NIKON D700 | SSIM (RGB): 0.9467 -> 0.9473 | Helped |
| use Fourier quantization instead of DSQ in the JPEG simulator (ablation) | InvISP · Canon EOS 5D | SSIM (RGB): 0.8946 -> 0.9007 | Helped |
| remove the spatial checkerboard mask (ablation) | InvISP coupling layers · not specified | performance | No clear effect |
| use DSQ quantization instead of no JPEG simulator (ablation) | InvISP · NIKON D700 | PSNR (RGB): 37.44 -> 37.44 | No clear effect |
Closest papers by meaning
- Compress Clean Signal from Noisy Raw Image: A Self-Supervised Approach (ICML 2024 · similarity 0.84)
- Plug-and-Play Tri-Branch Invertible Block for Image Rescaling (AAAI 2025 · similarity 0.83)
- Enhancing RAW-to-sRGB with Decoupled Style Structure in Fourier Domain (AAAI 2024 · similarity 0.82)
- DiffRAW: Leveraging Diffusion Model to Generate DSLR-Comparable Perceptual Quality sRGB from Smartphone RAW Images (AAAI 2024 · similarity 0.82)
- Continuous Space-Time Video Resampling with Invertible Motion Steganography (CVPR 2025 · similarity 0.82)
- Leveraging Frame Affinity for sRGB-to-RAW Video De-rendering (CVPR 2024 · similarity 0.82)
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