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chineseoldman农村456

来源：baiyundou.net 日期：2024-08-10

本文来自微信公众号：行者慎思（ID：shensing），作者：陆树燊，题图：由Midjourney生成

上一篇文章《我用GPT4 + Midjourney v5把〈三体〉的主角都画出来了》情理之中、意料之外地火了，首先感谢大家的支持！

文章火了之后，我却发现它造成了一些误解。很多人以为GPT4+Midjourney v5这样的AI神器无所不能，但他们不知道我作为“Prompt（提示词）工程师”，在背后需要反复修改提示词、挑选照片，特别是那些大家觉得像电视剧版本的人们角色，其实不过是我挑出来的……只能说可能是我的认知和审美受到电视剧的影响，而不是AI。

另外，写那篇文章的时候，我使用的Midjourney的功能并不多，我的GPT4那个时候也还没有训练得特别好。这篇文章将会演示一些真实制作AI照片的过程，还讲解AI制图的技巧和方法。相信看完本文，你会对AI生图有更完整的了解。

一则征友启事引发的游戏

故事的开始是这样的，有一天我在一个校友群里，看到朋友发了个征友启事：

图/微信

这征友启事中虽说强调女主“长得很漂亮”，但是到底有多漂亮呢？我也很好奇。于是乎，我八卦心起，把这段话“喂”给了AI画图神器Midjourney。它给出了4个候选图：

图/AI画图神器Midjourney

这个结果，怎么说呢。说它懂中文吧，它把大爷都画出来了。说它不懂吧，至少大爷还是对着话筒，命中了“播音主持”这个关键词。不管怎么样，我们对第二三两个结果进行多次训练，最后挑出了这样两张照片：

图/AI画图神器Midjourney

这两个结果已经是我在众多选择中挑出来还过得去的两个了，毕竟人脸是没问题的，手指也是没问题的。虽然两位小姐姐都对着乐器，但我们猜“播音主持专业”的小姐姐应该也能会点乐器吧。（只是这两个乐器确实清新脱俗了。再忽略一下她们背后似是而非的“汉字”，这可能是契丹文字吧。）

我把这个结果发在了朋友圈，并且搞起了一个玩法：让朋友们给我写一段个人描述，我给他们生成一张形象照。

图/微信

第一个吃螃蟹的人

第一个客户来了：

图/微信

于是我故伎重演，结果：不能说它跟描述不太相似，只能说是毫不相关。

图/AI画图神器Midjourney

对Midjourney的中文理解能力彻底失去信心的我，手工对描述做了翻译，并再次喂给了Mid大师：

A 28 old boy，tall，work in a famous company Tencent Inc. ， in the Wechat Pay team， as a Product Manager. He likes free life，often go to surfing and his skin is a little black， his like boxing too --v 5

图/AI画图神器Midjourney

这下就靠谱多了！之后的客户就多了起来。

找到平行空间的姐妹和兄弟

一位朋友 @许霄霖，她说：

图/微信

Beautiful and lively woman from Chaozhou，Guangdong，born in 1982，166 cm tall， graduated in English from Guangdong University of Foreign Studies in 2004， with a strong presence，attractive looks，fair skin，and slightly chubby at around 55 kg. --v 5

图/AI画图神器Midjourney

当事人觉得这是平行空间的姐妹：

还有一位朋友，原“莉莉丝游戏”产品总监、“轻描淡写科技”CEO吴迪，他说：

图/微信

A Chinese handsome 35 years old man， he is from Jiangsu province， he was a programmer， and a game designer， producter. He likes board games and likes studying new technology. --v 5

图/AI画图神器Midjourney

这两个结果的差异还是挺大的：

图/微信

AI把他变成了自己的同事

（本节演示“喂图/垫图”）

一家房地产大数据服务商“禾略中国”的创始人 @郑永祥，他的自我描述是“潮州人，四十五了吧，173cm，78kg，发胖中，创业狗，长期奔波于上海深圳重庆，这些年饱受秃顶之苦。做的是房地产数据分析的工作”，他还跟我强调：不要太假正经，我是比较鬼马快乐的人。

根据他的要求，把GPT4帮我生成的prompt（提示词）提交给Midjourney，两大神器联手给出来的结果，让我实在不好意思发给当事人：

图/AI画图神器Midjourney

于是我用上了他的一张个人照片：

图/AI画图神器Midjourney

这还需要用到Midjourney的另外一个功能“喂图”，就是要在提交prompt的同时，带上相关图像的链接。

A 45-year-old Chaozhou man， 173cm tall and weighing 78kg， with a slightly overweight physique. As an entrepreneur， he constantly travels between Shanghai， Shenzhen， and Chongqing. Over the years， he has been troubled by hair loss. He is a humorous and playful person who dislikes being too serious. Do not change his face of https://s.mj.run/CNhCaGiigI --v 5

图/AI画图神器Midjourney

这里要说明一下，虽然我在prompt中要求“do not change his face”，但其实提供给Midjourney的照片，它只会提取其元素，然后加入到关键词中去生成，而不会真的去将人脸取出来一模一样地合并到图中。它生成图片的命令叫/imagine（想象），解读其字面意思也就比较好理解了。

看到结果，当事人说这个照片很像他的一个同事，果然是不是一家人，不进一家门。

图/微信

让AI替她去海边玩耍

AI公司“文因互联”的市场负责人 @余姗，她的自我描述是“162高，55kg，在一家科技公司做市场负责人，她喜欢笑，总是手舞足蹈，会瑜伽，看着疯疯癫癫，长卷发，白色的吊带沙滩裙”，她还说：

图/微信

收到她消息的时候，我刚好就在海南陵水的海边沙滩躺着，抱着一种罪恶感，我决定满足她的愿望，用了GPT4帮忙生成提示词：

A young woman with a height of 162 cm and a weight of 55 kg，working as a marketing head at a tech company. She has long curly hair，wearing a white strap beach dress， loves to laugh and always dances with joy. At this moment，she is playing on the beach，and her yoga skills make her look energetic.

结果：

图/AI画图神器Midjourney

当事人表示非常满意：

图/微信

让AI替她去海边玩耍，这是多么卑微的职场人啊……有趣的是几天后，她告诉我，她因为工作原因，真的去到了海边，果然向AI许愿是有用的。

图/微信

图像融合，美人随时可“炼”

（ 本节演示 /blend 命令）

我的一位不愿意具名的优秀师姐，没有给我描述词，让我给她生成一张新的照片。我只有她的一张照片，于是我决定用上一个新的玩法：图像融合。

Midjourney有一个功能叫 “/blend”，可以把多张图像融合在一起出来新的图像。

图/AI画图神器Midjourney

首先我要请出来我之前用Midjourney炼出的一个小美女（我叫她 @Betty）。

图/AI画图神器Midjourney

与真人照片融合之后，神奇的效果出现了：

图/AI画图神器Midjourney

还有一位朋友，@魏碧珠，她是中山市一所学校的老师，同时还是一名驻唱歌手，一个单身的小姐姐。她没有给我个人描述，但她给了我一张很有趣的照片，这张照片上她戴着草帽。

于是我尝试用喂图的方式，再加上一点场景描述：

A realistic photo by Canon camera， focus on the Chinese girl's face， the girl is walking on the beach， and she has a pitch of flower on her right hand https://s.mj.run/SSwfJSEgYV --v 5

图/AI画图神器Midjourney

特别有趣的是，不管怎么切换场景，她的草帽一直在。

图/AI画图神器Midjourney

把她的照片用/blend命令，和前面的 @Betty 合体，结果Betty也戴上了帽子。

图/AI画图神器Midjourney

甚至，跟蒙娜丽莎合体，这位来自文艺复兴时期的欧洲贵妇也戴上了中国特色的草帽。

图/AI画图神器Midjourney

还原上个世纪30年代的魅力女性

（本节演示真正让GPT4和Midjourney v5的联动起来的方式）

AI的能力还不止如此。当我把Midjourney的文档，还有一系列优秀的prompt都喂给GPT4，希望它帮我生成一个能让Midjourney画出“一个1930年代的魅力女性”的提示词。GPT4的答案非常惊艳，这里面不只提出了场景要求，描述清楚了细节，还对相机、镜头、光圈、快门一一指明。

An exquisite，high-resolution photograph of a glamorous 1930s female influencer， exuding elegance and sophistication as she poses confidently in a luxurious Art Deco setting. The image showcases her impeccably styled attire，complete with a stunning silk gown，pearl necklace， and a chic feathered hat that perfectly encapsulate the timeless fashion of the era. The photograph is expertly composed using a classic Leica III rangefinder camera paired with a Summar 50mm f/2 lens，renowned for its distinctive bokeh and soft focus that lend a vintage charm to the image. The camera settings are carefully selected to emphasize the subject's alluring features，with an aperture of f/3.5，an ISO of 100，and a shutter speed of 1/60 sec，capturing the subtle interplay of light and shadow that accentuates her captivating expression. The composition is further enriched by the soft，warm lighting that illuminates the scene，casting a gentle glow on the intricate details of the Art Deco architecture and the luxurious textures of the influencer's attire. The final image is a breathtaking homage to the glamour and allure of the 1930s， immortalized in a stunning photographic masterpiece. --ar 4:5 --q 2 --v 5

而Midjourney v5给出的结果更加惊艳：

图/Midjourney v5

来自朋友圈的评价

我把上面一部分照片发在朋友圈，这是一些朋友的评价：

图/微信

彩蛋

还记得《我用GPT4 + Midjourney v5把〈三体〉的主角都画出来了》文章里面的庄颜1号么？很多人都说最喜欢她。

图/GPT4 + Midjourney v5

于是我用她的照片，通过“喂图”技术，给她生成了几个姐妹，并且让GPT4给她们分别取了中文名和英文名，取得还真不错：

集齐庄家五朵金花。罗辑的“梦中情人”庄颜的四位姐姐，请您欣赏：

庄婉 Wendy

庄瑶 Yolanda

庄媛 Yvonne

庄瑜 Yvette

“炼”出了这么多美人（和帅哥），你最喜欢哪一位呢？

本文来自微信公众号：行者慎思（ID：shensing），作者：陆树燊

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