Google Gemini 2.5 Nano banana生成东方女性
<p></p><h2>背景</h2><p><font size="3">Google Gemini 2.5 Nano Banana(官方名称为 <strong>Gemini 2.5 Flash Image</strong>)是谷歌于 2025 年 8 月推出的革命性 AI 图像生成与编辑模型,凭借其多模态架构、角色一致性和实时协作能力,重新定义了 AI 视觉内容创作的标准。采用统一的 Transformer 架构,原生支持文本与图像的无缝融合,无需中间转换步骤。例如,用户可直接通过自然语言指令(如 “将这张照片改为复古港风,背景换成 80 年代香港街头”)实现复杂编辑,模型能精准对齐语义与视觉元素,避免传统模型的信息丢失问题。内置 Gemini 家族的全球知识库,可理解物理原理(如光影反射、透视关系)和文化语境。例如,生成 “巴黎铁塔夜景中的产品图” 时,模型会自动匹配环境光色温与产品表面反光效果,确保物理真实性。</font></p><p><font size="3"><strong>99% 面部特征保留</strong>突破性的 “全局外观 Token + 局部细节 Token” 双重约束机制,可在不同场景、光线和服装变化中保持人物、宠物甚至产品的外观一致性。</font></p><p><font size="3">支持连续多轮修改,用户可逐步细化需求(如先模糊背景,再调整姿势,最后添加道具),模型全程保持上下文记忆,避免传统工具的 “断层式” 修改。<br>提供 Gemini API、Google AI Studio 等接入方式,支持 Python、JavaScript 等主流语言,开发者可快速集成到电商平台、教育工具或设计软件中。例如,电商网站可通过 API 自动生成多场景产品图。</font></p><p></p><h2>提示词</h2><blockquote><p>{<br> "style": "High-key studio portrait, direct flash aesthetic, East Asian social media style (e.g., Ulzzang, Douyin), stylized beauty retouching.",<br> "output": {<br> "color_profile": "sRGB",<br> "render_intent": "photo"<br> },<br> "subject": {<br> "category": "human",<br> "gender_presentation": "female",<br> "ethnicity": "East Asian (e.g., Korean, Chinese)",<br> "age_bracket": "young_adult",<br> "body": {<br> "build": "slim",<br> "proportions": "natural human anatomy",<br> "posture": "relaxed on sofa, seated casually",<br> "pose": "seated, legs crossed and tucked close to body",<br> "gesture": "Right hand raised, fingers loosely curled, back of fingers/knuckles gently supporting the chin and lower cheek.",<br> "head_tilt_deg": 5<br> },<br> "face": {<br> "expression": "Playful, alluring",<br> "gaze": "right eye direct to camera",<br> "eye_action": "winking with the left eye",<br> "skin_tone": "Very pale porcelain (lightened aesthetic)",<br> "makeup": "Stylized K-Beauty/Douyin look: flawless matte base, strong pink blush high on cheeks, pink gradient lips, defined brows, light eyeliner, emphasized Aegyo-sal",<br> "features": "small beauty mark/mole under the left eye"<br> },<br> "hair": {<br> "length": "long",<br> "style": "messy high updo/bun with loose strands and curtain bangs",<br> "color": "dark brown"<br> },<br> "wardrobe": {<br> "top": "white fitted cropped camisole",<br> "outerwear": "light gray zip hoodie, worn open and slightly slipping off both shoulders",<br> "bottom": "white lounge shorts with drawstring",<br> "footwear": "barefoot"<br> }<br> },<br> "environment": {<br> "location": "studio or minimalist interior",<br> "set": "black leather sofa against a plain white or light gray wall",<br> "props": "Silver laptop (Apple MacBook, logo visible) placed on the cushion to the subject's right (camera left)"<br> },<br> "lighting": {<br> "key": {<br> "source": "strobe/flash",<br> "modifier": "Bare reflector or direct flash (hard source)",<br> "position": "Near camera axis, slightly camera-right and above eye line",<br> "effect": "Crisp, dark, well-defined cast shadows on the wall directly behind subject; strong specular highlights on skin and sofa leather."<br> },<br> "fill": {<br> "type": "minimal/none"<br> },<br> "ambient": "suppressed",<br> "white_balance_K": 5800<br> },<br> "camera": {<br> "system": "Digital Camera",<br> "sensor": "full-frame equivalent",<br> "lens": {<br> "type": "prime",<br> "focal_length_mm": 50<br> },<br> "exposure": {<br> "iso": 100,<br> "aperture_f": 4.0,<br> "metering": "Bright exposure, high-key aesthetic"<br> },<br> "focus": {<br> "target": "near eye (right eye)",<br> "depth_of_field": "moderate"<br> },<br> "framing": {<br> "orientation": "vertical",<br> "crop": "mid-thigh to head with room above hair",<br> "angle": "eye-level",<br> "composition": "subject centrally framed"<br> }<br> },<br> "color_grade": {<br> "look": "Bright, clean, slightly cool tone",<br> "contrast": "High contrast",<br> "saturation": "moderate, emphasized pinks"<br> },<br> "postprocess": {<br> "noise_reduction": "high",<br> "texture": "Highly smoothed skin, poreless appearance ('porcelain doll' or 'beauty filter' effect)",<br> "sharpen": "selective on eyes/lashes",<br> "blemish_control": "Complete removal of all blemishes and texture."<br> },<br> "quality_targets": [<br> "accurate limb lengths and joint angles",<br> "correct finger count and articulation",<br> "realistic fabric tension and folds",<br> "accurate winking expression"<br> ],<br> "negative_prompt": [<br> "no altered or exaggerated body proportions",<br> "no extra or fused fingers",<br> "no realistic skin texture, pores, or blemishes",<br> "no text or watermarks (excluding specified logos)",<br> "no extreme wide-angle distortion",<br> "no NSFW content",<br> "no dark/moody lighting",<br> "no warm tones"<br> ]<br>}</p></blockquote><p><font size="3"><strong>中文版</strong></font></p><blockquote><p>{ “style”: “高调的工作室人像,直接闪光美学,东亚社交媒体风格(如,Ulzzang、抖音),风格化的美颜修饰。 “输出”: { “color_profile”: “sRGB”, “render_intent”: “照片” }, “主题”: { “category”: “人类”, “gender_presentation”: “女性”, “ethnicity”: “东亚人(例如,韩国人、中国人)”, “age_bracket”: “young_adult”, “正文”: { “build”: “苗条”, “proportions”: “自然人体解剖学”, “posture”:“放松在沙发上,随意坐着”, “pose”: “坐着,双腿交叉并靠近身体”, “gesture”: “右手抬起,手指松散卷曲,手指背/指关节轻轻支撑下巴和下脸颊。 “head_tilt_deg”:5 }, “脸”: { “expression”:“俏皮,诱人”, “gaze”:“右眼直视镜头”, “eye_action”:“用左眼眨眼”, “skin_tone”:“非常苍白的瓷器(轻巧的美学)”, “makeup”: “风格化的 K-Beauty/抖音妆容:完美无瑕的哑光底妆,高高的脸颊上浓郁的粉红色腮红,粉红色渐变的嘴唇,轮廓分明的眉毛,浅色眼线,强调爱娇萨尔”, “features”: “左眼下方的小美痕/痣” }, “头发”: { “length”: “long”, “style”: “凌乱的高髻/发髻,松散的股线和窗帘刘海”, “color”: “深棕色” }, “衣柜”: { “top”: “白色合身短款吊带背心”, “outerwear”: “浅灰色拉链连帽衫,敞开穿着,双肩略微滑落”, “bottom”: “带抽绳的白色休闲短裤”, “footwear”: “赤脚” } }, “环境”: { “location”: “工作室或极简主义室内”, “set”: “黑色真皮沙发靠在纯白色或浅灰色的墙壁上”, “props”: “银色笔记本电脑(Apple MacBook,徽标可见)放置在拍摄对象右侧(相机左侧)的垫子上” }, “照明”: { “键”: { “source”: “频闪/闪光灯”, “modifier”: “裸反射器或直接闪光灯(硬源)”, “position”: “靠近相机轴,略微向右和视线上方”, “effect”: “清晰、黑暗、轮廓分明的阴影投射到拍摄对象正后方的墙壁上;皮肤和沙发皮革上强烈的镜面高光。 }, “填充”: { “type”: “最小/无” }, “ambient”: “抑制”, “white_balance_K”:5800 }, “相机”: { “system”: “数码相机”, “sensor”: “全画幅等效”, “镜头”: { “type”: “prime”, “focal_length_mm”:50 }, “曝光”: { “iso”:100, “aperture_f”: 4.0, “metering”:“明亮曝光,高调审美” }, “焦点”: { “target”: “近眼(右眼)”, “depth_of_field”: “中等” }, “框架”: { “orientation”: “垂直”, “crop”: “从大腿中部到头部,头发上方有空间”, “angle”: “视线水平”, “composition”: “主题集中框” } }, “color_grade”: { “look”:“明亮、干净、略带冷色调”, “contrast”: “高对比度”, “saturation”: “适度、强调粉红色” }, “后处理”: { “noise_reduction”: “高”, “texture”: “高度光滑的皮肤,无毛孔的外观('瓷娃娃'或'美颜滤镜'效果)”, “sharpen”:“选择性地涂抹眼睛/睫毛”, “blemish_control”: “彻底去除所有瑕疵和纹理。 }, “quality_targets”: [ “准确的肢体长度和关节角度”, “正确的手指计数和发音”, “逼真的织物张力和褶皱”, “准确的眨眼表情” ], “negative_prompt”: [ “没有改变或夸张的身体比例”, “没有多余的或融合的手指”, “没有逼真的皮肤纹理、毛孔或瑕疵”, “无文字或水印(不包括指定徽标)”, “没有极端的广角畸变”, “没有 NSFW 内容”, “没有黑暗/喜怒无常的灯光”, “没有暖色调” ] }</p></blockquote><h2><font size="3">结论</font></h2><p> <font size="3"> Gemini 2.5 Flash Image给我们很多创意空间,只要你感想感做,大部分图像都可以生成。</font></p>今天先到这儿,希望对AI,云原生,技术领导力, 企业管理,系统架构设计与评估,团队管理, 项目管理, 产品管理,信息安全,团队建设 有参考作用 , 您可能感兴趣的文章:<br><font size="2">微服务架构设计</font><br><font size="2">视频直播平台的系统架构演化</font><br><font 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<p id="PSignature" ><font size="4">作者:Petter Liu <br>出处:http://www.cnblogs.com/wintersun/ <br>本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。
该文章也同时发布在我的独立博客中-Petter Liu Blog。</font></p><br>来源:程序园用户自行投稿发布,如果侵权,请联系站长删除<br>免责声明:如果侵犯了您的权益,请联系站长,我们会及时删除侵权内容,谢谢合作!
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