LocInv: Localization-aware Inversion for Text-Guided Image Editing

• URL: http://arxiv.org/abs/2405.01496v1
• Date: Thu, 2 May 2024 17:27:04 GMT
• Title: LocInv: Localization-aware Inversion for Text-Guided Image Editing
• Authors: Chuanming Tang, Kai Wang, Fei Yang, Joost van de Weijer,
• Abstract summary: Text-guided image editing research aims to empower users to manipulate generated images by altering the text prompts. Existing image editing techniques are prone to editing over unintentional regions that are beyond the intended target area. We propose localization-aware Inversion (LocInv), which exploits segmentation maps or bounding boxes as extra localization priors to refine the cross-attention maps.
• Score: 17.611103794346857
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large-scale Text-to-Image (T2I) diffusion models demonstrate significant generation capabilities based on textual prompts. Based on the T2I diffusion models, text-guided image editing research aims to empower users to manipulate generated images by altering the text prompts. However, existing image editing techniques are prone to editing over unintentional regions that are beyond the intended target area, primarily due to inaccuracies in cross-attention maps. To address this problem, we propose Localization-aware Inversion (LocInv), which exploits segmentation maps or bounding boxes as extra localization priors to refine the cross-attention maps in the denoising phases of the diffusion process. Through the dynamic updating of tokens corresponding to noun words in the textual input, we are compelling the cross-attention maps to closely align with the correct noun and adjective words in the text prompt. Based on this technique, we achieve fine-grained image editing over particular objects while preventing undesired changes to other regions. Our method LocInv, based on the publicly available Stable Diffusion, is extensively evaluated on a subset of the COCO dataset, and consistently obtains superior results both quantitatively and qualitatively.The code will be released at https://github.com/wangkai930418/DPL

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