电影级黑白肖像提示词

{ "image_type": "摄影肖像", "orientation": "垂直", "composition": { "framing": "紧凑的中景特写", "crop": "主体裁切至躯干中部，头部和手部占据画面主导", "angle": "四分之三侧面", "camera_position": "略高于视线水平", "subject_placement": "主体略微偏离中心，位于右侧", "negative_space": "极少，集中在左侧背景" }, "subject": { "gender_presentation": "男性", "approximate_age_range": "20多岁后期至30多岁中期", "pose": "头部向下倾斜，手举至太阳穴，呈沉思姿态", "facial_expression": "沉思、内省、严肃", "gaze_direction": "向下，目光游离", "hair": { "style": "短发，凌乱，有纹理", "tone": "深色" }, "facial_hair": { "type": "短胡茬", "density": "中等" }, "clothing": { "upper_garment": "长袖针织毛衣", "texture": "罗纹或编织面料", "tone": "深色" }, "accessories": { "watch": { "type": "模拟腕表", "band": "皮革表带", "dial": "简约，浅色表盘", "style": "经典，低调" } } }, "lighting": { "type": "影棚灯光", "style": "低调光", "direction": "来自左上方的侧光", "contrast": "高对比度，深阴影", "highlights": "额头、鼻子、颧骨和手部有强烈高光", "shadow_falloff": "柔和但明显，位于脸部和身体右侧" }, "color": { "palette": "单色", "dominant_tones": [ "黑色", "炭灰色", "柔灰色", "灰白色高光" ], "saturation": "无", "contrast_level": "高" }, "background": { "type": "影棚背景", "texture": "平滑，带有微妙渐变", "tone": "深灰色至近黑色", "detail_level": "极简，无干扰" }, "focus_and_depth": { "focus": "脸部和手部清晰对焦", "depth_of_field": "浅至中等", "background_blur": "柔和，不显眼" }, "technical_characteristics": { "photographic_style": "艺术肖像", "likely_lens": "短长焦（约85mm等效）", "aperture_character": "大光圈效果", "grain": "非常细腻，噪点极少", "sharpness": "主体清晰度高，色调过渡平滑" }, "mood_and_tone": { "emotional_quality": "内省、忧郁、反思", "aesthetic": "极简、戏剧化、电影感", "visual_narrative": "私人思考或情感沉重的时刻" }, "post_processing": { "black_and_white_conversion": "高质量单色转换", "contrast_adjustment": "增强对比度", "clarity": "面部特征应用中等清晰度", "vignette": "边缘轻微变暗" }, "artistic_references": { "style_influences": [ "经典黑白肖像摄影", "电影角色研究", "时尚编辑肖像" ] } }