Consistent-Inversion: Reverse Consistency Guidance for Structure-Preserving Visual Editing

Xiaocheng Lu; Jingcai Guo; Song Guo

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arXiv · 2606.07145

Consistent-Inversion: Reverse Consistency Guidance for Structure-Preserving Visual Editing

Xiaocheng Lu·Jingcai Guo·Song Guo

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Abstract

Text-guided diffusion models have become effective tools for real-image visual editing, where the edited image must follow a target instruction while preserving editing-irrelevant structure. Most training-free editors rely on inversion: a source image is mapped to a noisy latent trajectory and the terminal latent is reused for target-prompt denoising. This reuse is useful for preservation, but it also couples source reconstruction and target editing. The resulting trajectory mismatch may either damage background/layout details or over-constrain the intended edit. This paper presents Consistent-Inversion, a training-free reverse consistency guidance framework for structure-preserving visual editing. Instead of treating the inverted source latent as a fixed initialization, Consistent-Inversion checks whether an intermediate target trajectory can be reversed toward the source inversion trajectory under the source prompt. To make this check well-defined, we construct an auxiliary target-side noise representation, perform source-guided reverse denoising, and use the resulting reverse consistency discrepancy as a correction signal for selected early target denoising steps. The method does not update model parameters, is compatible with inversion-based editors, and introduces only a small inference overhead when applied sparsely. Experiments on PIE-Bench show that Consistent-Inversion improves background and structural fidelity under a unified SD3.5 protocol while maintaining target-prompt alignment, and compatibility experiments further verify the same correction principle on classical Stable-Diffusion inversion pipelines.

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BibTeX RIS

Xiaocheng Lu, Jingcai Guo, Song Guo. 2026-06-05. Consistent-Inversion: Reverse Consistency Guidance for Structure-Preserving Visual Editing. https://arxiv.org/abs/2606.07145

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