Taming Identity Consistency and Prompt Diversity in Diffusion Models via Latent Concatenation and Masked Conditional Flow Matching

arXiv — cs.CV•Wednesday, November 12, 2025 at 5:00:00 AM

The recent publication on a fine-tuned diffusion model addresses the critical challenge of balancing identity consistency with prompt diversity in image generation. The proposed method employs a latent concatenation strategy and a masked Conditional Flow Matching objective, allowing for robust identity preservation without requiring architectural changes. This innovation is significant as it enhances the model's ability to generate diverse images while maintaining the core identity of subjects. To support this, the authors introduce a two-stage Distilled Data Curation Framework, which efficiently curates high-quality datasets for training, thus scaling the model's generation capabilities across various subjects and contexts. Additionally, the CHARIS evaluation framework is presented, which assesses generated images based on identity consistency, prompt adherence, and other quality metrics. This comprehensive approach not only advances the field of AI-driven image generation but also se…

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