早前我们用AI 生成了一系列高达的图片，看见大家都很感兴趣，就让小编和大家分享一下如何生成这些漂亮的高达图片吧。
这次小编使用的是Midjourney。由于Midjourney 方面表示「有大量的来自中国的流量不断注册即弃帐户（throwaway accounts）来生成免费图片」，Midjourney 上月起已经停止免费试用生成图片功能。不过不要紧，接下来小编会在文末介绍注册和付款成为Midjourney 付费会员，这样就可以使用Midjourney 生成心爱的高达图片了。现在就让我们先看看如何生成高达图片吧。
如何生成图片
完成注册后进入Midjourney 的Discord ，在左边导览列寻找GENERAL IMAGE GEN，选择任意一个general 房间（见①），然后在对话栏输入/imagine prompt，再在框框内输入你想要的Prompt （见②）。
AI 生成高达图片的提示词--niji 5
这次小编使用了Midjoureney 最近推出的「niji」模型。与v1 至v5 模型不同之处是，niji 是专门训练生成动漫风格图像的模型。要生成有高达的动漫风格图片的话，一定要加入「--niji 5」的提示词。
ultrarealistic portrait of a Green Zaku, 8K photographic style, sharp focus, dramatic lighting, super vibrant, neon accents, highly detailed and intricate, cinematic, cgsociety, --ar 1:1 --niji 5
▲下面的U/V 1-4 分别对应上面的图片，U 代表Upscale，按下将会生成相应位置的大图，V 代表Variation，按下将会按照选择图片的风格额外生成4 张图片。
除了渣古外， Midjourney 当然也可以生成高达的图片。小编输入了以下的Prompt ，不消数十秒就生成了4 张图片。
In this Full body shot, we can see a highly detailed and textured Gundam robot is flying to battlefield, with exceptional clarity. The metallic surface gleams in the light, highlighting the intricate mechanical details of its armor and weapons, Every bolt, joint, and cable is meticulously crafted, giving a sense of power and precision to this formidable machine. hard lighting , global illuminations, bright, universe nebula, detailed, hyper realistic, clean background trending, Bright background, high on details --ar 4:6 --niji 5
小编颇喜欢左上方（①） 那张高达图片的风格，于是就按下V1，让Midjourney 参考这张图片再生成多4 张风格相近的图片。
▲Midjourney 可以就小编选择的图片再生成4 张风格相近的图片
小编再尝试了另几组Prompt，生成了以下的图片。
ultrarealistic portrait of a Gold+white Gundam, 8K photographic style, sharp focus, dramatic lighting, super vibrant, neon accents, highly detailed and intricate, cinematic, cgsociety, --ar 1:1 --niji 5
RX-78 Gundam , background in the style of Leonardo DaVinci drawings, high details, 8K --ar 1:1 --niji 5
RX-78 Gundam night shot + illumination + cinematic shot + photos taken by ARRI, photos taken by sony, photos taken by canon, photos taken by nikon, photos taken by hasselblad + incredibily detailed, sharpen, details + professional lighting, photography lighting + 50mm, 80mm, 85mm, 100mm, 135mm + lightroom gallery + behance photography + unsplash --ar 9:16 --niji 5
In this wide shot, we can see a highly detailed and textured battleworn Gundam kneel on one knee with exceptional clarity, the background is a desert with ruins and broken gundam everywhere, the mood is groomy as the gundam just lost a battle, hazy, 16k, hd, hdr, uhd, ultra realistic, hard lighting, global illuminations, universe, nebula, detailed, hyper realistic, clean background trending, bright ground, high on details, --ar 3:2 --niji 5
In this close-up shot, we can see a highly detailed and textured Gundam robot with exceptional clarity. The matalic surface gleams in the light, highlighting the intricate mechanical details of its armor and weapons. Every bolt, joint, and cable is meticulously crafted, giving a sense of power and precision to this formidable mnachine. Its piercing gaze and sharp features add to the imposing presence of this technological marvel, 16K, hd, hdr, uhd, ultra realistic, hard lighting, global illuminations, bright, universe, nebula, detailed, hyper realistic, clean background trending, bright background, high on details --ar 16:9 --niji 5
5 步付款使用Midjourney
Step 1：开启Midjourney 官方网站
Midjourney 官方网站
▲点选右下角的Join the Beta
Step 2：验证年龄
▲填写生日
Step 3：认领帐户
▲点选「认领帐户」
▲输入电邮及密码，以完成注册
Step 4：选择所需计画
▲点选「Purchase Plan」
▲Midjourney 有共有3 种计画，Basic （基本）、Standard （标准）及Pro （专业），可以选择每月缴费或一次性交一年。
Step 5：填写信用卡资料
完成注册，付款后就可以抢先使用Midjourney！
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