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Diffusion-Based Text-Guided Image Generation With Fine-Grained Spatial Object-Attribute Relationships
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AI
DOI：10.1109/TCSVT.2025.3639218.png)
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Abstract
En 中文
Expressing and controlling fine-grained spatial attributes of objects in large-scale models presents significant challenges, as these spatial attributes are often difficult to describe textually and exhaustive enumeration is impractical. This hinders effective alignment with user preferences regarding spatial attribute-object relationships in fine-grained synthesis tasks. To tackle this problem, we propose AttrObjDiff, a novel framework built on the pre-trained Stable Diffusion model to integrate spatial attribute maps. Firstly, AttrObjDiff constrains the denoising step using trainable cross-attention fusion modules, attribute-enhancing cross-attention and LoRAs. The fusion modules take layout features extracted by a frozen ControlNet and corresponding fine-grained attribute maps as inputs to generate joint constraint features of spatial attribute-object relationships. We leverage attribute-enhancing cross-attention within the U-Net to further refine these spatial attributes. Finally, LoRAs are employed to align with these joint constraint features of fine-grained relationships. Secondly, AttrObjDiff enhances the reverse process with lightweight noise reranking models to improve spatial object-attribute alignment. The reranking models select semantic noises related to fine-grained relationships, improving synthesis quality without significantly increasing computational costs. Experimental results demonstrate that our method can generate high-quality images guided by fine-grained spatial object-attribute relationships, improving synthesis controllability and semantic consistency.
Keywords:
Attribute map
lightweight noise reranking
cross-attention fusion
Journal
IF:
11.1
Papers:
869
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3.1W
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