AnyID: Ultra-Fidelity Universal Identity-Preserving Video Generation from Any Visual References

• URL: http://arxiv.org/abs/2603.25188v1
• Date: Thu, 26 Mar 2026 08:54:48 GMT
• Title: AnyID: Ultra-Fidelity Universal Identity-Preserving Video Generation from Any Visual References
• Abstract summary: We present AnyID, an ultra-fidelity identity-preservation video generation framework.<n>First, we introduce a scalable omni-referenced architecture that effectively unifies heterogeneous identity inputs into a cohesive representation.<n>Second, we propose a primary-referenced generation paradigm, which designates one reference as a canonical anchor and uses a novel differential prompt to enable precise, attribute-level controllability.
• Score: 52.81991915377852
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Identity-preserving video generation offers powerful tools for creative expression, allowing users to customize videos featuring their beloved characters. However, prevailing methods are typically designed and optimized for a single identity reference. This underlying assumption restricts creative flexibility by inadequately accommodating diverse real-world input formats. Relying on a single source also constitutes an ill-posed scenario, causing an inherently ambiguous setting that makes it difficult for the model to faithfully reproduce an identity across novel contexts. To address these issues, we present AnyID, an ultra-fidelity identity-preservation video generation framework that features two core contributions. First, we introduce a scalable omni-referenced architecture that effectively unifies heterogeneous identity inputs (e.g., faces, portraits, and videos) into a cohesive representation. Second, we propose a primary-referenced generation paradigm, which designates one reference as a canonical anchor and uses a novel differential prompt to enable precise, attribute-level controllability. We conduct training on a large-scale, meticulously curated dataset to ensure robustness and high fidelity, and then perform a final fine-tuning stage using reinforcement learning. This process leverages a preference dataset constructed from human evaluations, where annotators performed pairwise comparisons of videos based on two key criteria: identity fidelity and prompt controllability. Extensive evaluations validate that AnyID achieves ultra-high identity fidelity as well as superior attribute-level controllability across different task settings.

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