Pixel-Perfect Banana Transformation

{
  "metadata": {
    "engine_name": "PX-LOCK-X",
    "prompt_version": "pxlockx-1.0.0",
    "generation_goal": "Near pixel-perfect recreation with identity-only replacement",
    "reference_frame_policy": {
      "use_reference_as_ground_truth": true,
      "identity_swap_only": true,
      "no_creative_inference": true
    },
    "units": {
      "angles": "degrees",
      "lengths": "centimeters",
      "coords": "normalized_0_to_1",
      "temperature": "kelvin"
    }
  },
  "identity_replacement": {
    "mode": "identity_only",
    "reference_identity_source": "uploaded_subject_image",
    "replace": {
      "face_identity": true,
      "head_shape": true,
      "hair_color_and_length": true,
      "skin_tone": true,
      "body_identity": true
    },
    "preserve_from_reference": {
      "pose": true,
      "camera": true,
      "lighting": true,
      "environment": true,
      "wardrobe": true,
      "jewelry": true,
      "expression_valence": true,
      "framing_and_crop": true
    },
    "identity_strength": 1,
    "no_beautification": true,
    "no_style_transfer": true
  },
  "output_settings": {
    "aspect_ratio": "2:3",
    "resolution_target": "reference_matched",
    "render_style": "photorealistic",
    "color_space": "sRGB",
    "compression": "lossless",
    "dynamic_range": "natural",
    "white_balance_lock": true
  },
  "pixel_coordinates_lock": {
    "lock_enabled": true,
    "reference_frame_dimensions_px_estimate": {
      "width_px": 1024,
      "height_px": 1536
    },
    "crop_boundaries_px_norm": {
      "left_x_norm": 0,
      "right_x_norm": 1,
      "top_y_norm": 0,
      "bottom_y_norm": 1
    },
    "primary_subject_bounding_box_norm": {
      "x_min": 0.105,
      "y_min": 0.155,
      "x_max": 0.945,
      "y_max": 0.975
    },
    "head_bounding_box_norm": {
      "x_min": 0.205,
      "y_min": 0.175,
      "x_max": 0.625,
      "y_max": 0.36
    },
    "face_feature_anchors_norm": {
      "left_eye_center": {
        "x": 0.345,
        "y": 0.252
      },
      "right_eye_center": {
        "x": 0.445,
        "y": 0.247
      },
      "nose_tip": {
        "x": 0.405,
        "y": 0.287
      },
      "mouth_center": {
        "x": 0.403,
        "y": 0.318
      },
      "chin_point": {
        "x": 0.41,
        "y": 0.352
      }
    }
  },
  "camera_lock": {
    "lock_enabled": true,
    "camera_height_cm": 105,
    "camera_to_subject_distance_cm": 230,
    "camera_orientation_degrees": {
      "yaw": 8.5,
      "pitch": -3,
      "roll": 0.6
    },
    "lens": {
      "focal_length_mm": 85,
      "sensor_format": "full_frame",
      "distortion_model": "brown_conrady",
      "distortion_coefficients": {
        "k1": -0.012,
        "k2": 0.004
      }
    },
    "aperture": {
      "f_number": 2.2,
      "focus_distance_cm": 220,
      "focus_target": "face_plane"
    },
    "exposure": {
      "iso": 200,
      "shutter_s": 0.002,
      "exposure_comp_ev": 0
    }
  },
  "pose_lock": {
    "lock_enabled": true,
    "pose_type": "deep_squat_crouch",
    "body_facing_direction_degrees": 70,
    "torso_lean_degrees": 18,
    "head_pose_degrees": {
      "yaw": -14,
      "pitch": -2.5,
      "roll": 2
    },
    "expression_lock": {
      "expression_type": "soft_closed_smile",
      "mouth_corner_lift_mm_est": 2,
      "eye_squint_level": 0.12,
      "no_exaggerated_emotion": true
    }
  },
  "fabric_geometry_lock": {
    "lock_enabled": true,
    "wardrobe_items": [
      {
        "item": "white_ribbed_tank_top",
        "fit": "snug",
        "material": {
          "type": "cotton_rib_knit",
          "surface": "matte",
          "estimated_gsm": 220
        }
      },
      {
        "item": "camo_leggings_black_white_gray",
        "fit": "compression_tight",
        "material": {
          "type": "poly_spandex_athletic",
          "surface": "low_sheen",
          "estimated_gsm": 260
        },
        "pattern_lock": {
          "enabled": true
        }
      },
      {
        "item": "white_low_top_sneakers",
        "material": {
          "upper": "leather",
          "sole": "rubber"
        }
      }
    ],
    "accessories_lock": {
      "enabled": true,
      "items": [
        {
          "item": "layered_gold_necklaces",
          "count": 3,
          "material": "gold"
        }
      ]
    }
  },
  "lighting_lock": {
    "lock_enabled": true,
    "lighting_type": "natural_overcast_warm_edge",
    "color_temperature_k": 5200,
    "shadow_constraints": {
      "shadow_softness": "soft"
    },
    "specular_constraints": {
      "skin_specular_level": 0.18,
      "fabric_specular_level": 0.1
    }
  },
  "environment_lock": {
    "lock_enabled": true,
    "scene_type": "narrow_alleyway",
    "ground_plane": {
      "surface": "aged_concrete"
    },
    "right_wall": {
      "material": "red_brown_brick"
    },
    "left_wall": {
      "material": "light_stucco_or_plaster"
    }
  },
  "prohibitions": {
    "no_pose_adjustment_allowed": true,
    "no_camera_reframe_allowed": true,
    "no_lens_change_allowed": true,
    "no_background_recomposition": true,
    "no_wardrobe_changes": true,
    "no_ai_improvisation": true,
    "no_cartoon_proportions": true,
    "no_fisheye_distortion": true,
    "no_text_overlays": true,
    "no_watermarks": true
  },
  "render_validation": {
    "must_match_reference_checks": {
      "subject_bbox_iou_min": 0.93,
      "head_bbox_iou_min": 0.94,
      "color_temperature_delta_k_max": 120,
      "exposure_delta_ev_max": 0.2
    },
    "failure_behavior": {
      "if_mismatch_detected": "reject_and_regenerate",
      "max_regenerations": 6
    }
  },
  "final_prompt_payload": {
    "instruction": "Create the photograph with strict match-move fidelity. Preserve all geometry, camera, lighting, environment, pose, wardrobe, and expression. Replace ONLY the woman's identity. Photorealistic output, zero drift."
  }
}