Mitigating Adversarial Effects Through Randomization
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Abstract (arXiv)
Convolutional neural networks have demonstrated high accuracy on various tasks in recent years. However, they are extremely vulnerable to adversarial examples. For example, imperceptible perturbations added to clean images can cause convolutional neural networks to fail. In this paper, we propose to utilize randomization at inference time to mitigate adversarial effects. Specifically, we use two randomization operations: random resizing, which resizes the input images to a random size, and random padding, which pads zeros around the input images in a random manner. Extensive experiments demonstrate that the proposed randomization method is very effective at defending against both single-step and iterative attacks. Our method provides the following advantages: 1) no additional training or fine-tuning, 2) very few additional computations, 3) compatible with other adversarial defense methods. By combining the proposed randomization method with an adversarially trained model, it achieves a normalized score of 0.924 (ranked No.2 among 107 defense teams) in the NIPS 2017 adversarial examples defense challenge, which is far better than using adversarial training alone with a normalized score of 0.773 (ranked No.56). The code is public available at https://github.com/cihangxie/NIPS2017_adv_challenge_defense.
Key facts. Cited by 383 papers in the map (data through 14 Oct 2026). First posted on arXiv 6 Nov 2017.
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Citing papers per year: 2021: 110; 2022: 66; 2023: 84; 2024: 49; 2025: 55; 2026: 19.
383 papers.
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- 2026A Cross-Modal Prompt Injection Attack against Large Vision-Language Models with Image-Only Perturbation15 May 2026
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- 2025CoDefend: Cross-Modal Collaborative Defense via Diffusion Purification and Prompt Optimization13 Oct 2025
- 2025Toward Inherently Robust VLMs Against Visual Perception Attacks13 Jun 2025
- 2025Fighting Fire with Fire (F3): A Training-free and Efficient Visual Adversarial Example Purification Method in LVLMs1 Jun 2025
- 2024Defending LVLMs Against Vision Attacks through Partial-Perception Supervision17 Dec 2024
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- 2026SyncBreaker:Stage-Aware Multimodal Adversarial Attacks on Audio-Driven Talking Head Generation9 Apr 2026
- 2026Dummy-Aware Weighted Attack (DAWA): Breaking the Safe Sink in Dummy Class Defenses31 Mar 2026
- 2026RobPI: Robust Private Inference against Malicious Client23 Feb 2026
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