One of the biggest challenges in AI video generation is keeping your characters looking the same from scene to scene. Multi-image fusion technology solves this problem by allowing you to use multiple reference images to lock in a character's appearance across your entire video story.
What is Multi-Image Fusion?
Multi-image fusion is an advanced AI technique that takes multiple reference images of the same character from different angles and creates an internal 3D reference vector. When you request a new shot, this vector is applied to your chosen AI model, enforcing visual consistency across every frame.
Why Character Consistency Matters
Nothing breaks immersion faster than a character whose face changes between shots. For:
- Brand videos: Your mascot must look identical in every scene
- Short films: Character recognition is essential to storytelling
- Marketing series: Consistent visuals build brand trust
How to Use Multi-Image Fusion
Step 1: Create Reference Images
Start by generating 3-7 high-quality images of your character using Domer's AI Image Generator. Capture different angles: front-facing, profile, three-quarter view, and full body.
Step 2: Upload and Fuse
Upload your reference set to a platform that supports multi-image fusion. The system internally builds a unified character model from your images.
Step 3: Generate Your Video
Use Domer's AI Video Generator to bring your character to life. The fusion data ensures your character looks consistent in every generated scene.
Best Models for Character Consistency
Different AI models handle character consistency differently:
- Flux Pro: Exceptional texture and detail retention across multiple scenes
- Runway Gen-4: Industry-leading video-to-video coherence for characters
- OpenAI Sora: Advanced narrative understanding keeps characters logical
- Kling AI: Strong prompt adherence for maintaining specific character traits
For the smoothest motion with consistent characters, try Seedance 2.0, which offers advanced motion control while preserving character identity.
Tips for Perfect Results
- Use high-quality source images: The better your reference images, the better the fusion
- Include varied angles: Front, side, and three-quarter views help the AI understand 3D structure
- Keep lighting consistent: Similar lighting across reference images improves coherence
- Test with short clips first: Validate consistency before committing to long renders
- Combine with keyframe control: Use first-to-last frame control for precise scene management
Common Pitfalls to Avoid
- Using too few reference images (use at least 3)
- Mixing drastically different art styles in references
- Expecting perfect results without any iteration
- Not saving your fused character model for future projects
The Future of Character Consistency
As multi-image fusion technology evolves, we're seeing platforms integrate these capabilities deeper into their workflows. The ability to save, reuse, and share character models is becoming standard, making AI video production more efficient for series and ongoing content.
Domer provides the foundation you need to start creating consistent AI characters today. Generate your reference images with GPT Image 2, animate them with text-to-video or image-to-video, and build entire stories with characters that stay true to your vision.
