其实写提示词归根结底还是把你想让AI画什么告诉它,没什么神秘的。写的时候尽量有条理一些,避免加入重复或者无意义的内容,也方便后面修改。
比如比较基础的一个正面提示词写法:
(masterpiece,best quality,absurdres,beautiful and aesthetic:1.2,ultra-detailed,a high detail RAW color professional photo,dymanic angle),(detailed background,christmas ornaments,christmas present,christmas lights),(1girl,solo,perfect female body,narrow waist,slim legs,huge breasts, soles),(pink hair,hair over one eye,beautiful face,detailed face,detailed eyes,seductive posture,arrogant smile),(santa hat,santa costume,jacket,crop top,miniskirt,pantyhose)
大概分成一下几个部分:
1)描述画面质量:
(masterpiece,best quality,absurdres,beautiful and aesthetic:1.2,ultra-detailed,a high detail RAW color professional photo,dymanic angle),
(杰作,最好的质量,极高分辨率,美丽且符合美学,超高细节,细致的原生色彩专业照片,动态视角),
2)描述背景和环境:
(detailed background,christmas ornaments,christmas present,christmas lights),
(细致背景,圣诞装饰,圣诞礼物,圣诞彩灯),
3)描述人物体态
(1girl,solo,perfect female body,narrow waist,slim legs,huge breasts, soles),
(一个女孩,单人,完美的女性身体,细腰,苗条的腿,巨乳,脚底),
如果想画脚但不想看脚底,soles改成feet
4)描述人物发型、面部、动作、表情
(pink hair,hair over one eye,beautiful face,detailed face,detailed eyes,seductive posture,arrogant smile),
(粉红色头发,头发盖住一只眼睛,美丽的面部,细致的面部,细致的眼睛,诱惑的姿势,傲慢的微笑),
arrogant smile本意是想画那种“看垃圾的微笑”,但很多时候并不能表现出来
5)描述服装
(santa hat,santa costume,jacket,crop top,miniskirt,pantyhose)
(圣诞老人帽子,圣诞装,夹克外套,露脐上衣,迷你裙,连裤袜)
服装通常会有比较大的随机性,可能会融合成各种近似的结果,比如夹克可能会变成长筒手套、披肩,连裤袜可能变成大腿袜或者吊带袜之类的。
这样把期望的画面内容描述一遍,正面提示词就算是写完了。不建议过多地依赖LORA,很多LORA训练得并不好,对主模型的画风影响比较明显。
负面提示词按daintymix的作者给的来就行了:
(worst quality, low quality:1.3), (depth of field, blurry:1.3), (greyscale, monochrome:1.1), 3D face, nose, cropped, lowres, text, jpeg artifacts, signature, watermark, username, blurry, artist name, trademark, watermark, title, multiple view, Reference sheet,