100 lines
4.7 KiB
Markdown
100 lines
4.7 KiB
Markdown
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# 后期细节词库（10_后期细节）
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> 来源：ShotDesign `quality-anchors.md` 有机物理瑕疵 + 镜头质感
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> 核心理念：**真实感来源于不完美（Organic Imperfections）**——每条提示词至少使用 1-2 个瑕疵词，是对抗 AI"塑料感"的核心武器
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## 一、光学瑕疵
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| 瑕疵 | 英文提示词 | 视觉效果 |
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|------|-----------|---------|
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| 胶片红色光晕 | `Cinematic halation` | 高光处弥散的温暖红色光晕，胶片特有 |
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| 变形宽银幕眩光 | `Anamorphic lens flares` | 水平拉丝式眩光，2.35:1 宽银幕标志 |
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| 桶形畸变 | `Barrel distortion` | 广角镜头边缘拉伸，增强空间压迫感 |
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| 周边暗角 | `Natural optical vignetting` | 边缘自然压暗，引导视觉聚焦中心 |
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## 二、物理质感瑕疵
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| 瑕疵 | 英文提示词 | 视觉效果 |
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|------|-----------|---------|
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| 真实皮肤毛孔 | `Realistic skin texture with visible pores and micro-imperfections` | 反塑料感第一利器，告别蜡像脸 |
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| 汗水反光 | `Sweat glistening on skin surface` | 细微液体反射，增强真实触感 |
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| 微尘飘浮 | `Floating dust particles caught in light` | 空气微尘在光束中闪烁，空间立体感 |
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| 织物微纤维 | `Fabric micro-fiber detail under light` | 衣物表面微观纹理 |
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| 发丝光泽 | `Individual hair strands catching light` | 毛发反光与飞散，告别塑料假发 |
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## 三、环境有机物瑕疵
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| 瑕疵 | 英文提示词 | 视觉效果 |
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|------|-----------|---------|
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| 雨滴玻璃 | `Rain droplets trickling down glass surface` | 湿润环境感 |
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| 凝结水雾 | `Condensation fog on cold surfaces` | 温度差的物理表现 |
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| 落叶碎屑 | `Scattered leaves and organic debris` | 场景自然生活感 |
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| 光柱中的灰尘 | `Dust motes drifting through shafts of light` | 空间体积感+光线可见 |
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## 四、画质 4 层退化预设（真实拍摄感）
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真实素材天然含 4 层"瑕疵"，AI 默认过于完美反而假：
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1. **平台压缩**：轻微涂抹感
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2. **设备瑕疵**：镜头炫光 / 暗角
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3. **现场瑕疵**：背景路人 / 杂物入镜
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4. **镜头变形**：广角拉伸
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## 五、反塑料感套装（直接复制）
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**人像套件：**
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```
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Shot on Kodak Portra 400, realistic skin texture with visible pores,
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sweat glistening on forehead, cinematic halation,
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fine organic film grain, floating dust particles in warm backlight
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```
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**夜景套件：**
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```
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Shot on Cinestill 800T, anamorphic lens flares,
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red halation around neon signs, rain droplets on lens surface,
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natural optical vignetting, visible film grain
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```
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## 六、摄影质感维度表（摄影质感字段自动生成用）
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> 摄影质感字段由模型**按维度自动生成英文摄影参数**（排除画幅/帧率——画幅帧率属平台参数放代码框外）。模型根据剧情/场景/类型判断哪些维度适用，从词库取值组合，**不照搬固定示例**。
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### 6.1 摄影器材参数（英文，按场景判断适用）
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| 维度 | 英文词库 |
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|------|---------|
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| 机型 camera | ARRI Alexa Mini LF / RED Komodo / Sony Venice / ARRI Alexa 35 |
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| 镜头 lens | 24mm prime lens / 35mm prime lens / 50mm prime lens / 85mm prime lens |
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| 光圈 aperture | f/1.4 / f/2 / f/2.8 / f/4 |
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| 快门 shutter | 180 degree shutter / 90 degree shutter |
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| ISO | ISO 100 / ISO 400 / ISO 800 / ISO 1600 |
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### 6.2 画面质感参数（英文，按场景判断适用）
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| 维度 | 英文词库 |
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|------|---------|
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| 色彩 color | Natural color palette / realistic tones / moderate contrast / muted tones / teal-orange grade |
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| 光影 lighting | Soft indoor lighting / warm practicals mixing with cool ambient / hard sunlight / low-key |
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| 质感 texture | Realistic skin texture / detailed fabric / plastic reflections |
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| 动态范围 dynamic range | High dynamic range / clear midtones / soft highlight rolloff / deep shadows |
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### 6.3 胶片质感（可选，写实/胶片风时追加）
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| 质感 | 英文 |
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|------|------|
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| 胶片颗粒 | film grain |
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| 卤化 | halation |
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| 高光滚降 | highlight rolloff |
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| 暗角 | vignetting |
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**负向质感（禁止项，写入负面词）：** 数字锐化 / 塑料质感 / 过度降噪 / 伪HDR / 纯黑死影 / 规则化颗粒
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## 七、反 AI 假脸（表情层面）
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AI 视频最大破绽不是画质，而是"表情不对"。四大陷阱：
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- ❌ 完美对称面部 → ✅ `左侧嘴角微微上扬`（真人永远不完全对称）
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- ❌ 情绪瞬间切换 → ✅ 留 1-2 秒肌肉过渡（真人需 0.3-1.5 秒）
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- ❌ 皮克斯式夸张表情 → ✅ 写实中严禁嘴巴大张/眉毛飞天（除非动画风格）
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- ❌ 面瘫式静态面部 → ✅ 持续微动（呼吸起伏/眨眼/肌肉波动）
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> 表情词库详见 知识库/01_主体描述；默认 L2（内敛/可读）强度级别。
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