biometric_reference

{
  "subject": {
    "identity": {
      "biometric_reference": "Ana de Armas",
      "facial_structure": {
        "skull_morphology": "Mesocephalic, with prominent zygomatic arches and a defined mandibular line.",
        "skin_texture": "Healthy, radiant complexion with subtle freckling; subsurface scattering present.",
        "eyes": {
          "iris_pattern": "Detailed hazel-green iris structure with distinct limbal ring and radial furrows.",
          "sclera": "Clear, bright sclera with realistic vascularization.",
          "canthus": "Sharp, almond-shaped canthus."
        },
        "nose": "Refined nasal bridge with slight tip definition.",
        "lips": "Full, naturally pigmented lower lip and defined Cupid's bow."
      },
      "dentition": {
        "alignment": "Orthodontically perfect alignment.",
        "shade": "Natural white, slightly translucent enamel.",
        "gingiva": "Healthy, stippled gingival tissue."
      }
    },
    "body": {
      "somatotype": "Ecto-mesomorph with balanced proportions.",
      "waist_to_hip_ratio": "Approx. 0.7, defined waistline.",
      "muscle_tone": "Lean muscle mass, visible in legs and forearms.",
      "limbs": {
        "hands": "Anatomically correct five-digit hands, articulated joints, manicured nails.",
        "feet": "Anatomically correct feet, realistic arch and toe structure.",
        "legs": "Toned, with visible gastrocnemius definition."
      }
    },
    "apparel": {
      "outerwear": {
        "item": "Leather blazer dress",
        "material": "Full-grain lambskin leather",
        "color": "#3B2F2F (Dark Brown)",
        "texture": "Pebbled, with micro-creases and natural grain; specular highlights from sunlight.",
        "details": "Structured shoulders, notched lapel, belted waist, button closure."
      },
      "footwear": {
        "item": "Pointed-toe slingback pumps",
        "material": "Patent leather",
        "color": "#800000 (Burgundy)",
        "texture": "High-gloss finish, reflective surfaces.",
        "details": "Stiletto heel, thin strap."
      },
      "accessories": {
        "bag": {
          "item": "Metallic clutch",
          "material": "Gold leather",
          "color": "#D4AF37 (Gold)",
          "texture": "Crinkled metallic foil finish."
        },
        "jewelry": "Assorted gold rings and small hoop earrings."
      }
    },
    "hair": {
      "style": "Natural, textured messy bun with loose strands framing the face, no styling gel visible.",
      "color": "#2C1B18 (Dark Espresso)",
      "texture": "Smooth, glossy, high-shine finish."
    },
    "pose": "Dynamic, leaning forward to adjust the right shoe strap, left leg bent, weight on right leg, clutching bag with left hand, face turned to look directly into the camera."
  },
  "setting": {
    "location": "New York City street corner, urban environment.",
    "time": "Late afternoon, approx. 4:00 PM, golden hour.",
    "lighting": {
      "source": "Direct, warm sunlight from the right.",
      "quality": "Hard light creating long shadows and strong highlights.",
      "atmospheric": "Slight haze and dust particles visible in light beams."
    },
    "background_elements": "Brick buildings, fire escapes, water tower, street signs, crosswalk markings, yellow taxi (Ford Crown Victoria), asphalt street, concrete sidewalk.",
    "ground": "Textured concrete sidewalk with cracks and gum stains."
  },
  "composition": {
    "aspect_ratio": "9:16",
    "shot_type": "Full-body photograph",
    "focus": "Sharp focus on the subject's eyes and face.",
    "depth_of_field": "Shallow, with soft bokeh on distant background elements.",
    "render_quality": "High resolution, photorealistic, physically based rendering (PBR)."
  },
  "negative_constraints": {
    "anatomical_errors": ["Extra limbs", "missing fingers", "distorted hands", "fused fingers", "incorrect joint articulation", "unnaturally twisted torso", "floating limbs"],
    "visual_artifacts": ["Watermarks", "logos", "text", "blurriness", "grain", "overexposure", "underexposure", "pixelation"],
    "content": ["Non-photorealistic elements", "cartoon style", "illustration", "sketch", "sunglasses"]
  }
}