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SmartSpatial: Enhancing the 3D Spatial Arrangement Capabilities of Stable Diffusion Models and Introducing a Novel 3D Spatial Evaluation Framework

Stable Diffusion models have made remarkable strides in generating photorealistic images from text prompts but often falter when tasked with accurately representing complex spatial arrangements, particularly involving intricate 3D relationships. To address this limitation, we introduce SmartSpatial, an innovative approach that enhances the spatial arrangement capabilities of Stable Diffusion models through 3D-aware conditioning and attention-guided mechanisms. SmartSpatial incorporates depth information and employs cross-attention control to ensure precise object placement, delivering notable improvements in spatial accuracy metrics. In conjunction with SmartSpatial, we present SmartSpatialEval, a comprehensive evaluation framework designed to assess spatial relationships. This framework utilizes vision-language models and graph-based dependency parsing for performance analysis. Experimental results on the COCO and SpatialPrompts datasets show that SmartSpatial significantly outperforms existing methods, setting new benchmarks for spatial arrangement accuracy in image generation.

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