Nano Banana Pro 详细人像结构提示词

提示词

{ "meta": { "schema_version": "portraitstruct_v1", "task": "vision_to_json", "language": "en", "input_image_count": 1, "output_mode": "single_json_object" }, "images": [ { "image_id": "portrait_001", "mode": "portrait", "core_anchors": [ "面部侧影", "躯干中线", "下肢" ], "drift_risks": [], "image_meta": { "image_quality": "high", "image_type": "photograph", "capture_medium": "digital", "resolution_estimation": "1200x1600", "orientation": "portrait", "stylization_level": "none", "processing_artifacts": [], "confidence": 0.98 }, "framing": { "aspect_ratio_guess": "3:4", "shot_size": "full_shot", "crop_description": "主体从头到大腿中部可见，垂直居中", "camera_angle": "low_angle", "distance_to_subject": "medium_shot", "lens_impression": "wide_angle_with_bokeh", "focus_behavior": "selective_focus_on_subject", "perspective_notes": "upward_tilt_emphasizing_height_and_physique" }, "visibility_map": { "visible_regions": [ "face_right_profile", "neck", "torso", "arms", "hands", "upper_legs" ], "partially_visible_regions": [ "hair_length", "feet" ], "cropped_out_or_not_visible_regions": [ "lower_legs", "feet", "back" ], "occluded_regions": [ "left_side_of_face" ] }, "primary_subject": { "id": "subject_01", "label": "woman", "category": "human", "location": "center_foreground", "prominence": "primary", "visibility": "high", "bounding_region_estimate": "full_vertical_span", "apparent_age_class": "adult_25_35", "presentation": "fitness_swimwear", "face": { "face_shape": "oval_in_profile", "forehead": "smooth", "brow_bone": "pronounced_in_profile", "brows": { "shape": "arched", "thickness": "medium", "density": "high", "color": "light_brown", "grooming": "defined", "details": [] }, "eyes": { "size_relative": "average", "shape": "almond", "upper_lid": "visible", "lower_lid": "neutral", "sclera_visibility": "low", "iris_color": null, "pupil_visibility": "none", "lash_upper": "visible_profile", "lash_lower": "minimal", "liner_or_definition": "natural", "catchlights": "none_discernible", "gaze_direction": "upward_and_right", "asymmetry_notes": [] }, "nose": { "bridge": "straight", "width": "narrow", "projection": "moderate", "tip": "slightly_upturned", "nostrils": "partially_visible" }, "lips": { "upper_lip_shape": "bowed", "upper_lip_fullness": "moderate", "lower_lip_fullness": "full", "cupid_bow": "defined", "vermilion_definition": "clear", "parting": "closed", "corner_direction": "neutral", "colo...