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