กริดภาพพอร์ตเทรตสีหน้าตามระบบ FACS 3x3

{
  "objective": "Create a 3x3 portrait collage inspired by expressive fashion photography, using FACS (Facial Action Coding System) to define each facial expression. The subject is [a beautiful redhead woman with green eyes], captured in candid smartphone-style color photography.",
  "aspect_ratio": "1:1",
  "composition": {
    "layout": "3x3 grid (9 equal panels)",
    "framing": "tight head-and-shoulders portraits",
    "style": "clean grid with minimal spacing, consistent framing across all panels",
    "consistency": "same subject, same lighting, slight variations in pose and head angle"
  },
  "subject": {
    "person": "[adult woman]",
    "appearance": {
      "hair": "[natural red hair, slightly textured]",
      "eyes": "[green eyes, highly expressive]",
      "skin": "natural skin texture with visible pores and slight imperfections, not over-smoothed"
    },
    "outfit": {
      "top": "[low-cut cream tank top]",
      "style": "minimalist, casual"
    }
  },
  "facs_expressions": [
    {
      "panel": 1,
      "action_units": [
        "AU4 (brow lowerer)",
        "AU9 (nose wrinkler)",
        "AU10 (upper lip raiser)"
      ],
      "description": "slight snarl expression"
    },
    {
      "panel": 2,
      "action_units": [
        "AU25 (lips part)",
        "AU26 (jaw drop)",
        "AU19 (tongue show)"
      ],
      "description": "playful tongue out"
    },
    {
      "panel": 3,
      "action_units": [
        "AU1 (inner brow raiser)",
        "AU2 (outer brow raiser)",
        "AU24 (lip pressor)"
      ],
      "description": "gentle serious look with hands clasped together"
    },
    {
      "panel": 4,
      "action_units": [
        "AU5 (upper lid raiser)",
        "AU25 (lips part)"
      ],
      "description": "relaxed upward gaze with hands resting in hair"
    },
    {
      "panel": 5,
      "action_units": [
        "AU12 (lip corner puller)",
        "AU6 (cheek raiser)"
      ],
      "description": "subtle natural smile"
    },
    {
      "panel": 6,
      "action_units": [
        "AU4 (brow lowerer)",
        "AU10 (upper lip raiser)",
        "AU25 (lips part)"
      ],
      "description": "intense lip-biting expression"
    },
    {
      "panel": 7,
      "action_units": [
        "AU18 (lip pucker)",
        "AU22 (lip funneler)"
      ],
      "description": "playful fish face"
    },
    {
      "panel": 8,
      "action_units": [
        "AU25 (lips part)",
        "AU26 (jaw drop)",
        "AU5 (upper lid raiser)"
      ],
      "description": "surprised open-mouth expression"
    },
    {
      "panel": 9,
      "action_units": [
        "AU1 (inner brow raiser)",
        "AU15 (lip corner depressor)"
      ],
      "description": "soft melancholic look with hand resting on cheek"
    }
  ],
  "visual_style": {
    "genre": "candid editorial portrait photography",
    "color": "full color",
    "texture": [
      "fine film grain",
      "natural skin details",
      "mild sensor noise"
    ],
    "color_tone": "neutral to warm tones"
  },
  "lighting": {
    "style": "direct on-camera flash or frontal lighting",
    "effect": "crisp frontal highlights, subtle harsh drop shadows, candid snapshot mood"
  },
  "camera": {
    "device": "smartphone camera",
    "distance": "close-up portrait distance",
    "feel": "handheld, casual authentic framing"
  },
  "negative_constraints": [
    "no black and white",
    "no airbrushed plastic skin",
    "no studio backdrop perfection",
    "no inconsistent facial identity across panels",
    "no heavy glamorous makeup"
  ]
}