Author

Defang Chen

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Preprint Sep 2026

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

DecFlowEdit is proposed, which decouples the optimal guidance scales for localization and for editing in flow-based generative models and first extracts an edit-relevant prior by temporally aggregating velocity differences evaluated without CFG, and then uses this prior to reweight the original updates under default CF...

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