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Author

Defang Chen

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Preprint Sep 2026

DecFlowEdit: Self-Localized Flow-based Image Editing via Guidance Decoupling

Flow-based image editing (FlowEdit) enables inversion-free semantic changes through the difference between source and target velocities. In this paper, we observe that FlowEdit's default classifier-free guidance (CFG) configuration, with asymmetric source and target scales, causes substantial background leakage. Matchi...

Zhe-Yuan Zhan, Can Wang, Jia-Wei Chen et al. · 0 citations
Preprint Jul 2026

Secret-Stego Dissimilarity as a Design Axis: Invertible Coverless Image Steganography with Diffusion Models

InvCISD, an invertible diffusion framework that couples the latent representations of the secret and an irrelevant reference image with an invertible network called LIMNet, is proposed, which substantially reduces secret-stego visual similarity, improves stego quality, and retains satisfactory secret reconstruction qua...

Hongxin Xu, Jianping Mei, Can Wang et al. · 0 citations

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