Fine-art monochrome thinker portrait

{ "master_prompt": { "scene_type": "fine-art cinematic monochrome studio portrait", "reference_requirement": { "identity_match": "precisely match the uploaded reference image", "physical_source": "all anatomical features, age, gender, and ethnicity must be derived solely from the reference image", "facial_structure_accuracy": [ "bone structure from reference", "eye shape from reference", "nose proportions from reference", "jawline definition from reference", "facial symmetry from reference", "hairline from reference" ], "skin_texture": "preserve subject's specific skin texture, pores, and details", "no_artificial_smoothing": true }, "subject": { "source": "reference_image_identity", "demographics": "match age and gender of reference image", "physique": "match body type and physical build of reference image", "expression": { "mood": "serious, contemplative, quietly confident", "gaze": "direct eye contact with the camera", "emotion": "focused, introspective, calm and self-assured" } }, "hairstyle": { "adaptive": true, "requirement": "match hairstyle from reference image exactly", "details": [ "maintain reference volume", "maintain reference growth direction", "maintain reference hairline", "natural hair strand detail", "subtle highlights from overhead lighting" ] }, "pose": { "style": "classic thinker pose", "description": [ "one hand raised to the chin", "thumb resting gently along the jawline", "index finger slightly curled near the cheek", "hand relaxed and natural", "knuckles and tendons subtly visible", "hand in sharp focus with natural skin texture" ] }, "lighting": { "style": "low-key fine-art studio lighting", "contrast": "high contrast but refined tonal control", "key_light": { "position": "slightly above eye level", "direction": "toward viewer's left angled downward", "type": "large softbox or diffused beauty dish", "effect": "soft sculpted highlights with crisp facial definition" }, "highlight_focus": [ "forehead center", "nose bridge", "upper cheekbones", "lip contour", "top planes of the hand" ], "shadow_control": [ "soft shadow shaping under brow ridge", "subtle cheekbone definition", "deep but detailed shadow side", "midtone detail preserved" ], "fill_light": { "position": "minimal fill from front-center", "purpose": "retain facial symmetry while preserving depth" }, "rim_light": { "intensity": "very subtle", "location": "hair edges and outer shoulder", "purpose": "create gentle separation from the black background" }, "catchlights": { "type": "small soft rectangular reflection", "placement": "centered in both eyes" } }, "background": { "type": "pure black", "texture": "none", "light_spill": "fully absorbed" }, "composition": { "orientation": "portrait vert" } } }