wiki-ingest: Multi-Agent System Reliability
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wiki/concepts/Identity-Locking.md
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title: "Identity Locking"
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type: concept
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tags: [nano-banana-pro, image-generation, character-consistency, reference-image]
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last_updated: 2026-04-16
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---
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## 定义
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通过多张参考图锁定角色/人物身份,在新场景保持面部一致性的技术。Nano-Banana Pro 支持 14 张参考图(6 张高精度模式)。
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## 核心机制
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1. 上传参考图像(最多 14 张,高精度模式 6 张)
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2. 明确指令:"Keep the person's facial features exactly the same as Image 1"
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3. 描述场景/表情/动作的变化,保持身份不变
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## 应用场景
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- **品牌资产生成**:同一人物/模特出现在不同场景
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- **故事创作**:角色跨多个图像保持一致
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- ** Viral Thumbnail**:Identity + Text + Graphics 一体化生成
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## 与微调 LoRA 的区别
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- Identity Locking:即时生效,无需训练,支持 14 张参考图组合
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- LoRA:需额外训练,永久保留风格
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## Connections
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- [[Identity Locking]] ← 技术基础 ← [[Nano-Banana Pro]]
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- [[主体一致性]] ← 相关概念 ← [[Identity Locking]]
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