Photorealistic Close-Up Portrait (JSON)

A minimal JSON prompt structure for generating a photorealistic close-up portrait, specifying a 9:16 aspect ratio and 4K UHD resolution.

{
  "image_generation_specification": {
    "meta": {
      "type": "photorealistic close-up portrait",
      "aspect_ratio": "9:16",
      "target_resolution": "4K UHD"}}}