Google Imagen 4 AI 图片生成器

由 Google 最新的 Imagen 4 模型驱动 - Standard、Ultra 和 Fast,用于逼真和创意图像生成

Google Imagen 提示词编写指南

掌握创建有效提示词的艺术,生成令人惊艳的AI图像

核心提示词结构

1

主题

定义您想要创建的主要对象、角色或场景

示例:"一只威严的狮子"

2

背景/环境

设置主题的背景和周围环境

示例:"在日落时分的非洲大草原上"

3

风格

指定艺术手法和视觉美学

示例:"照片写实,黄金时段光线"

提示词进阶示例

基础:"春天湖边的公园"
增强:"春天湖边的公园,太阳在湖面落下,黄金时段"
详细:"春天湖边的公园,太阳在湖面落下,黄金时段,红色野花,柔焦,35mm镜头"

📷 摄影修饰词

镜头距离 "close-up", "zoomed out", "macro"
相机位置 "aerial photo", "from below", "eye-level"
光线 "natural lighting", "dramatic lighting", "soft diffused light"
相机设置 "bokeh", "soft focus", "motion blur", "shallow depth of field"
镜头类型 "35mm", "macro lens", "fisheye lens", "100mm"

🎨 艺术风格与质量

历史风格 "impressionist painting", "renaissance painting", "pop art"
现代风格 "digital art", "3D render", "watercolor", "oil painting"
胶片类型 "polaroid portrait", "black and white film", "vintage film"
画质增强 "4K", "HDR", "high quality", "professional photography"

创意技巧

材质组合 "duffle bag made of cheese", "glass sculpture of a bird"
形状变换 "neon tubes in the shape of a bird", "clouds forming a dragon"
描述性语言 使用生动具体的形容词 — 用“闪亮的金色丝绸”而不是“好看的布料”

📐 宽高比指南

正方形 (1:1) 适合社交媒体帖子、产品展示和人物肖像
宽屏 (16:9) 适合风景、电影镜头和演示文稿
竖屏 (9:16) 适合手机壁纸、短视频和高耸的主体
传统 (4:3) 经典摄影比例,适合打印和标准显示器

专业技巧获得更好效果

人像摄影技巧

包含具体细节:"一位有雀斑、赤褐色头发、绿色眼睛的女性肖像,戴着黄色围巾,黄金时刻光线,浅景深,85mm镜头"

图像中的文字

保持文字简短并放在引号中。"砖墙上写着'OPEN'的霓虹灯招牌" 比长句效果更好。

迭代与优化

从简单开始,然后逐步添加细节。每次迭代都能帮助你发现最适合你创意的方案。

Google Imagen 示例画廊

通过这些提示词示例探索可能性

Coffee beans on wooden board

摄影风格:咖啡豆

"A close-up of roasted coffee beans on a rustic wooden board, natural lighting, shallow depth of field, warm tones, professional food photography"

摄影
Chocolate bar on kitchen counter

产品摄影:巧克力棒

"A gourmet dark chocolate bar unwrapped on a marble kitchen counter, top-down view, studio lighting, commercial product photography style"

产品
Modern building with water

建筑摄影:现代建筑

"A modern glass building reflected in calm water, blue hour, architectural photography, symmetrical composition, ultra-wide angle lens"

建筑
Technical pencil drawing of sports car

技术插画:铅笔素描

"A detailed technical pencil drawing of a sports car, cross-hatching technique, blueprint style, white background, precise linework"

铅笔画
Charcoal drawing of sports car

炭笔画:戏剧性汽车

"A sports car rendered in charcoal drawing style, dramatic shadows, rough textured paper, expressive strokes, monochrome"

炭笔
Pastel painting of sports car

粉彩画:彩色汽车

"A vintage sports car illustrated in soft pastel painting style, dreamy color palette, blended edges, artistic and warm atmosphere"

粉彩画

超写实专业技术

掌握专业摄影技术,获得超逼真的效果

👤 人像摄影

"A cinematic portrait of a young woman, natural golden hour light, shallow depth of field, shot on 85mm f/1.4, warm skin tones, eyes in sharp focus, subtle bokeh background"

最适合: 专业头像、人物研究和社交媒体个人资料

🔍 微距 / 物体摄影

"An extreme close-up of a vintage pocket watch mechanism, exposed gears and springs, shot with a macro lens, shallow depth of field, warm amber lighting, every detail crisp and visible"

最适合: 产品细节、珠宝首饰、小物件和自然微距

运动与动态

"A professional athlete in mid-air dunking a basketball, frozen motion with high shutter speed, arena lights, dynamic angle from below, dramatic shadows, sports photography"

最适合: 体育运动、舞蹈、野生动物和任何动态场景

🏔️ 风景摄影

"A breathtaking mountain landscape at sunset, layers of purple and orange sky, alpine lake reflection, shot on wide-angle lens, Ansel Adams inspired composition, HDR, ultra-high resolution"

最适合: 风景、旅行、房地产外观和环境摄影

关于 Nano Banana

Google 最先进的图像生成和编辑模型

Nano Banana 是 Gemini 2.5 Flash Image 的昵称,是 Google 于 2025 年 8 月推出的先进 AI 图像生成和编辑模型。它能够直接通过文本提示或图像生成或编辑图像,在角色一致性和自然语言编辑方面具有卓越的能力。