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ISTA-Net: Interpretable Optimization-Inspired Deep Network for Image Compressive Sensing
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| replace image-domain sparsification with explicit residual-domain sparsification and skip connections | ISTA-Net · Set11, 25% CS ratio | PSNR: ISTA-Net achieves about 1 dB gain over ISTA-Net | Helped |
| add ReLU nonlinear transforms rather than using linear transforms (ablation) | ISTA-Net+ · Set11 | PSNR | Helped |
| add ReLU nonlinear transforms to improve training stability (ablation) | ISTA-Net+ · Set11 | training stability | Helped |
| share step sizes, thresholds, and transforms across phases instead of keeping them unshared (ablation) | ISTA-Net+ · Set11, 25% CS ratio | PSNR: 32.57 -> 31.53 | Hurt |
| share step sizes and transforms across phases, leaving thresholds unshared (ablation) | ISTA-Net+ · Set11, 25% CS ratio | PSNR: 32.57 -> 32.28 | Hurt |
| share thresholds and transforms across phases, leaving step sizes unshared (ablation) | ISTA-Net+ · Set11, 25% CS ratio | PSNR: 32.57 -> 32.08 | Hurt |
| share transforms across phases, leaving step sizes and thresholds unshared (ablation) | ISTA-Net+ · Set11, 25% CS ratio | PSNR: 32.57 -> 32.36 | Hurt |
Closest papers by meaning
- CPP-Net: Embracing Multi-Scale Feature Fusion into Deep Unfolding CP-PPA Network for Compressive Sensing (CVPR 2024 · similarity 0.90)
- UFC-Net: Unrolling Fixed-point Continuous Network for Deep Compressive Sensing (CVPR 2024 · similarity 0.88)
- Untrained Neural Nets for Snapshot Compressive Imaging: Theory and Algorithms (NeurIPS 2024 · similarity 0.88)
- Multi-Cross Sampling and Frequency-Division Reconstruction for Image Compressed Sensing (AAAI 2024 · similarity 0.87)
- Using Powerful Prior Knowledge of Diffusion Model in Deep Unfolding Networks for Image Compressive Sensing (CVPR 2025 · similarity 0.87)
- HUNet: Homotopy Unfolding Network for Image Compressive Sensing (CVPR 2025 · similarity 0.86)
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