Adversarial Patches vs. Real-World Occlusion: What Actually Breaks Your Model
The sticker on the stop sign wasn't even that big. Eight inches tall, maybe. But the camera saw a yield sign, and the car kept going. That's the kind of story that gets adversarial patches into the news. Yet a few days later, a different car stopped at a sign covered in mud. No one called that an attack. Why the difference? Both altered the input. Both fooled the model. But one was a deliberate patch designed to exploit a specific weakness, and the other was just occlusion. This guide walks through what separates them, why it matters for your pipeline, and where the line blurs. Why Adversarial Patches Are Suddenly Everyone's Problem The Real-World Stakes: Self-Driving Cars, Security Cameras, Medical Imaging A patch used to be a lab trick printed on glossy paper. Now they end up on real windshields, on real T-shirts, taped to actual stop signs.