SAP-Nav is presented, a fully online, zero-shot framework that supports both hierarchical and standard category-level OVON without task-specific training or precomputed scene maps and is designed for hierarchical OVON without task-specific training or precomputed scene maps.
Xuetong Pei, Jian Liu, Vidura Munasinghe et al.· 1 citation
Inspired by Bayesian posterior inference, this work reformulate backdoor detection as a representation-conditioned image likelihood estimation problem parameterized by a conditional diffusion generative model, and fine-tune a pretrained diffusion model, leveraging its generative prior to map data onto the natural image...
Tuo Chen, Jie Gui, Minjing Dong et al.· 0 citations
A new attack-agnostic, model-agnostic, and modality-agnostic black-box test-time defense paradigm, inspired by the Platonic Representation Hypothesis, that can perform both representation detection and purification, and achieves substantial performance gains across multiple attacks.
Tuo Chen, Minjing Dong, Benlei Cui et al.· arXiv.org· 0 citations
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