Does FLUX Already Know How to Perform Physically Plausible Image Composition?

arXiv — cs.LG•Tuesday, November 4, 2025 at 5:00:00 AM

The article addresses the ongoing challenge of image composition, particularly the difficulty of integrating objects into scenes with complex lighting and high-resolution inputs (F1). It notes that modern diffusion models such as FLUX and SD3.5 possess the necessary physical understanding and resolution capabilities to perform this task (F2). However, despite these strengths, these models currently lack an appropriate framework to fully leverage their knowledge for accurate image composition (F3). The discussion remains uncertain regarding whether FLUX already knows how to perform physically plausible image composition effectively (A1). This suggests that while the foundational capabilities exist within these models, further development is needed to translate these capabilities into practical, reliable image composition results.

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