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PRISM achieves the strongest correlation with humans in 3/4 categories — showing the power of combining diffusion priors with geometry-aware contrastive training.
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We evaluate correlation with human preferences across four axes:
🎯 Viewpoint Accuracy
🔁 Shared Consistency
✨ Plausibility of New Regions
📷 Image Quality
Classic metrics (PSNR, SSIM, LPIPS, CLIP) and distribution scores (FID, FJD) fail on viewpoint-aware correctness.