Reference images transform Generative Fill from a text-based tool into a precise visual command system. Instead of describing what you want, you show the AI exactly which object to create, leading to more accurate and predictable results.
This technique works by combining traditional selection tools with the new reference image feature in Firefly Fill and Expand, allowing you to swap shoes, clothing, or any object while maintaining realistic lighting and perspective.
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Practical Tips
These key techniques will help you achieve better results when replacing objects with reference images:
- Make your selection larger than the target object to give the AI adequate space for proper proportions and shadows
- Use isolated reference images when possible, though the AI can automatically remove backgrounds if you select "object" mode
- Choose "swap" when replacing existing objects or "place" when adding new items to empty areas
- Generate multiple variations and use the enhance details feature for sharper, higher-resolution results
- Monitor your generative credits usage, as both generation and enhancement consume credits
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