Visual complexity guided diffusion defender for video object tracking and recognition

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Shaochuan Zhao, Tianyang Xu, Hui Li, Xiao-Jun Wu, Josef Kittler

Published: 01 Jan 2026, Last Modified: 09 Nov 2025Pattern Recognit. 2026EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Diffusion model as natural adversarial purifier.•One-shot denoising strategy for video purification to circumvent the iterative Markov chain and accelerate inference.•Visual complexity guided timestep selection strategy to balance the trade-off between adversarial purification and high-fidelity video reconstruction.