Sydney Sweeney 胶卷

A highly constrained prompt for generating a cinematic, vintage-style outdoor portrait of Sydney Sweeney, demanding maximum identity preservation and prohibiting any alteration or beautification of her features. The prompt requires varying the pose naturally while maintaining the same prop (a red lollipop) and applying a strong analog film aesthetic with heavy grain, dust, and a warm brown-orange color cast.

{
  "prompt": "使用上传的参考图像作为绝对身份锚点。保留主体的面部特征、面部比例、骨骼结构、眼睛、鼻子、嘴唇、肤色、发际线、发质、身形和整体相似度，保持最高忠实度。不要美化、理想化或以任何方式改变人物。一张电影级、复古风格的户外肖像，描绘同一人。每次生成时，自然变化主体的姿势（例如，轻微身体角度变化、微妙倾斜、头部倾斜、手臂位置），同时保持相同道具：一个明亮的 {argument name="道具颜色" default="红色"} 棒棒糖靠近嘴唇或脸部。保持冷静、自信的表情。主体穿著白色无肩带上衣和高腰浅蓝色破损牛仔短裤。光线在黄金时刻柔和、温暖且自然。图像具有强烈的模拟film aesthetic，带有 heavy grain、灰尘、刮痕、微妙褪色和温暖棕橙色调，类似旧35mm照片。背景轻微模糊，带有浅景深。构图保持电影级且一致。",
  "identity_preservation": {
    "face_likeness": "最大",
    "body_proportions": "精确匹配",
    "hair": "匹配参考"
  },
  "pose_variation": {
    "enabled": true,
    "mode": "每次生成随机",
    "constraints": [
      "仅自然人体姿势",
      "无极端或扭曲角度",
      "无身形或身份变化"
    ]
  },
  "prop": {
    "name": "{argument name="道具名称" default="红色棒棒糖"}",
    "consistency": "每次生成相同道具"
  },
  "style_keywords": [
    "复古film摄影",
    "模拟grain",
    "电影级肖像",
    "复古美学",
    "自然光",
    "浅景深",
    "逼真皮肤质感"
  ],
  "camera_settings": {
    "lens": "35mm",
    "aperture": "f/1.8",
    "iso": 800,
    "film_grain": "heavy",
    "vignette": "light"
  },
  "negative_prompt": [
    "脸部变化",
    "不同人物",
    "改变身份",
    "理想化美",
    "光滑塑料皮肤",
    "CGI",
    "插图",
    "数字HDR外观",
    "现代摄影棚光线",
    "缺少道具",
    "改变道具"
  ],
  "generation_settings": {
    "image_weight": "1.5–2.0",
    "face_consistency": "最大",
    "denoising_strength": "0.2–0.35",
    "cfg_scale": "低到中",
    "aspect_ratio": "16:9"
  }
}

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