Compose a close, vertical two-person portrait on a rooftop at night. Preserve identity and use full-moon backlighting with restrained exposure to establish the mood.
English translation of the public case notes.
Image-to-image case for a close two-person rooftop portrait under a full moon. A facial identity reference, explicit positioning, dark faces and moonlit outlines establish a low-exposure cinematic mood. Suggested uses include couple posters, vertical film-like covers and character images.
Lock reference identity and 9:16 format first. Assign the man and woman to their respective sides and describe poses and expressions. Then specify underexposed faces, the moon, silver-blue rim lighting, cool colour, blurred city background and shallow depth of field.
Avoid frontal face lighting, changed identities, distorted features, exaggerated expressions, an overly bright foreground, text and watermarks.
Practical controls:
• Describe faces remaining mostly dark and emerging from shadow to discourage automatic fill light.
• Place the full moon between their profiles to support composition, silhouettes and emotional tension.
• Restrict rim light to hair, nose, lips and jaw so the foreground remains almost black.
Original case notes (Chinese)
🧩 GPT-Image-2｜满月背光下的屋顶低语
类型：文生图 / 图像编辑。
真正难点在这里：这个案例适合学习夜景双人肖像的光线控制：把身份保留、人物站位、低曝光面部和月光轮廓光写得很细。适用于情侣海报、影视感竖版封面和情绪化角色图。
控制逻辑拆开看：
类型：图生图
输入：一张包含目标人物面部身份的参考图
目标：生成竖版月夜屋顶双人近距离电影肖像，保留人物身份并突出满月背光与低曝光情绪
关键词：月夜屋顶 / 双人侧脸 / 满月背光 / 低曝光面部 / 银蓝轮廓光 / 城市虚化 / 电影感浅景深
重点：先锁定参考图身份与9:16竖幅，再描述男女左右位置、姿态和表情，随后强调欠曝脸部、满月背景、轮廓光与冷色调。
约束：避免脸部被正面照亮、身份改变、五官变形、表情夸张、前景过亮、出现文字或水印。
💡 复刻时抓住三点
• 用“脸部主要保持黑暗、从阴影中浮现”压住模型自动补光倾向。
• 把满月放在两人侧脸之间，能同时服务构图中心、剪影和情绪张力。
• 轮廓光只描边头发、鼻唇和下颌，避免破坏近乎全黑前景的神秘感。
#GPTImage2 #OpenAI #AI绘画 #月夜肖像 #电影感低调光 #参考图保脸
Full prompts
Chinese prompt
超写实、IMAX 级、Netflix 风格的电影感肖像，9:16 竖幅。使用上传的图像作为主要视觉参考，并保留准确的面部身份、比例和标志性特征。一男一女在安静、亲密的夜间时刻中极其靠近地面对面站着，他们的侧脸几乎相触。男人位于左侧前景，穿着黑色服装，与周围的黑暗融为一体。他的头微微向女人低垂，凌乱的波浪黑发散落在额前。他的脸被厚重阴影覆盖，并在近乎黑暗中部分隐藏，只有微弱、细腻的月光勾勒出鼻梁、嘴唇、脸颊和下颌线。他的眼睛低垂看向她，嘴唇微微张开，营造出安静、强烈、情绪沉浸的表情。女人站在右侧，脸以侧面转向他，下巴轻轻抬起，嘴唇微微张开。她的深色头发松散地向后拢起，几缕碎发落在额头、脸颊和颈部周围。她的表情温柔而沉思，眼睑柔和低垂，目光固定在他的脸上，传达出脆弱感和未说出口的期待。两人的脸都必须主要保持黑暗和欠曝，五官应从阴影中微妙浮现，而不是被明亮照亮。公平明亮的瓷感肌肤，呈明亮象牙色到浅米色调，带中性偏冷底色，具有自然真实的皮肤纹理和柔和高光，在深冷的夜间阴影下保持自然克制。一个巨大的发光满月填满两人侧脸之间的背景，形成戏剧性的背光剪影效果。月亮柔和扩散，并带有可见的月球纹理；下方远处城市天际线化作细小、模糊的白色、琥珀色和红色灯光。使用来自情侣身后的强烈月光、极低的正面补光、深海军蓝黑色的面部阴影，以及细薄的银蓝色轮廓光来勾勒他们的头发、鼻子、嘴唇和下颌线。应用深色、低饱和的午夜蓝和炭黑色调分级、克制的暖色肤色底调、微妙的大气雾感，以及电影感浅景深。保留发光月亮与近乎全黑前景之间的强烈对比，让情侣的脸保持神秘、昏暗可见，并沉浸在黑暗中。
负面提示词：身份改变、脸部过曝、明亮正面打光、面部特征扭曲、糟糕的人体结构、不自然的表情、文字或水印。
English prompt
Hyper-realistic IMAX-level Netflix-style cinematic portrait, 9:16 vertical. Use the uploaded image as the primary visual reference and preserve the exact facial identity, proportions, and defining features. A man and a woman stand extremely close, facing each other in a quiet, intimate nighttime moment, their profiles almost touching. The man occupies the left foreground, wearing a black outfit that blends into the surrounding darkness. His head is slightly lowered toward the woman, with tousled, wavy black hair falling messily over his forehead. His face is heavily shadowed and partially concealed in near darkness, with only faint, delicate moonlight tracing the bridge of his nose, lips, cheek, and jawline. His eyes are lowered toward her, and his lips are subtly parted, creating a quiet, intense, emotionally absorbed expression. The woman stands on the right, her face turned toward him in profile, chin gently raised and lips slightly parted. Her dark hair is loosely swept back, with wispy strands falling around her forehead, cheek, and neck. Her facial expression is tender and contemplative, with softly lowered eyelids and her gaze fixed on his face, conveying vulnerability and unspoken anticipation. Both faces must remain predominantly dark and underexposed, with their features emerging subtly from the shadows rather than being brightly illuminated. Fair luminous porcelain skin with a bright ivory to light beige tone and a neutral-cool undertone, with natural realistic skin texture and soft highlights, kept naturally subdued beneath the deep, cool nighttime shadows. A massive glowing full moon fills the background directly between their profiles, creating a dramatic backlit silhouette effect. The moon is softly diffused, with visible lunar texture, while a distant city skyline dissolves into tiny, blurred white, amber, and red lights below. Use strong moonlight behind the couple, extremely low frontal fill, deep navy-black facial shadows, and thin silver-blue rim lighting outlining their hair, noses, lips, and jawlines. Apply a dark, desaturated midnight-blue and charcoal color grade, restrained warm skin undertones, subtle atmospheric haze, and cinematic shallow depth of field. Preserve the striking contrast between the luminous moon and the almost-black foreground, keeping the couple's faces mysterious, dimly visible, and immersed in darkness.
Negative prompt: changed identity, overexposed faces, bright frontal lighting, distorted facial features, bad anatomy, unnatural expressions, text or watermark.