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StegaStamp: Invisible Hyperlinks in Physical Photographs

CVPR 2020 · Learning theory and algorithms › Prediction and decision losses · approach: Determinantal point process inference · 489 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Combine pixelwise and spatial training perturbations (ablation)StegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.89 -> 0.99Helped
Add spatial perturbations during training (ablation)StegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.51 -> 0.89Helped
Add pixelwise perturbations to spatial perturbations during training (ablation)StegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.89 -> 0.99Helped
Train with no image perturbations (ablation)StegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.49Hurt
Train with pixelwise perturbations only (ablation)StegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.51Hurt
Train with spatial perturbations only (ablation)StegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.89Hurt
Increase message length from 50 bits to 100 bits (ablation)StegaStamp · ImageNet imagesPSNR: 29.88 -> 28.50Hurt
Increase message length from 100 bits to 150 bits (ablation)StegaStamp · ImageNet imagesPSNR: 28.50 -> 26.47Hurt
Increase message length from 100 bits to 200 bits (ablation)StegaStamp · ImageNet imagesPSNR: 28.50 -> 21.79Hurt
Use StegaStamp rather than LFM for printed-image transmissionStegaStamp · Cellphone camera + consumer printermean bit accuracy: 0.61 -> 0.99Helped

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