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---
title: "Clone Faces"
type: concept
tags: [AI Generation, Bias, Image]
date: 2026-04-20
---
## Definition
AI 在生成多元群体图像或视频时,生成多个版本相同面孔的问题。这是基础图像模型(如 Midjourney、Sora、Runway的系统性缺陷需要通过显式约束防止。
## Why It Happens
- 模型的训练数据偏向特定面部特征
- 缺乏对面部多样性的显式约束
- 文本到图像的映射在处理"多样化群体"时产生重复
## How to Counter
- 明确要求不同的面部结构、年龄和体型
- 使用负向提示如"no duplicate faces"、"no cloned faces"
- 在提示词中指定 intersectional variance交叉多样性
## Related Concepts
- [[InclusiveVisualsSpecialist]] — 对抗此问题的专家角色
- [[NegativePromptLibrary]] — 提供防止此问题的负向提示库
- [[GibberishText]] — 类似的 AI 幻觉问题