新手也懂的AI繪圖之旅~ - 文生圖過程示範

文生圖過程示範

Jul 17, 2023

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2 Mins Read

正式產圖了喵~

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現在，貓羽想畫一幅「放學後，藍色長髮+黃瞳孔的美少女走在路上，望向雨中的繡球花」的圖

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先寫標簽：

girl is watching hydrangea. rainy, cloudy day, 1 girl, solo, teenage, serafuku, clasped umbrella, long hair, blue hair, shiny hair, medium breasts, yellow eyes, umbrella, :(, hydrangea, city, Soft Lighting, grey sky, cloudy, rainy, from side, in winter, unhappy girl, illustration, snail

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主體是持傘的少女，場景是雨天的城市，動作是少女望向繡頭花。為了強調氣氛，貓羽加上「陰天、不快樂、柔光、冬天」這些輔助詞給AI聯想

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模型：自煉的

VAE kl-f8-anime2

CLIP 2

Steps 25

DPM++ 2M Karras

高清修復重绘幅度 0.7 放大倍數 2

CFG 12

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這是太陽雨喵？！(摔)

傘也畫得太杯具了，而且也沒望向花

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試試為關鍵詞加權重+加上高畫質，順帶減去花的權重(上面有3張都太多花了)：

girl is watching hydrangea. masterpiece, top quality, best quality, extremely detailed wallpaper, extremely delicate and beautiful, high details, depth of field, ((rainy)), cloudy day, 1 girl, solo, teenage, serafuku, clasped umbrella, (((long hair))), (((blue hair))), shiny hair, medium breasts, ((yellow eyes)), umbrella, :(, [hydrangea::10], city, Soft Lighting,grey sky, cloudy, rainy, from side, in winter, unhappy girl, illustration, snail

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終於有張不錯的，但傘仍然悲劇，頭頂還插了根樹支

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會不會因為細節太多，而且全部都擠在直畫布內，所以顯得很混亂？

試試橫幅吧！

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感覺好些了，但撇開水印問題，傘還是怪怪的(懂了，AI不懂畫傘)，而且色調太明亮，不符合我想要的陰鬱感覺

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這次刪去「傘」的提示詞，模型改用Fleeting-Radiance Mix──貓羽之前提到，這模型不掛VAE會呈現灰階。但說不定可以利用它這項特性

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成功了~

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不知道你喜不喜歡這種風格，但貓羽覺得這張圖有傳達出自己想要的淡淡哀愁感(雖然沒傘也沒有完全望向花......)

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以上就是一般的文生圖流程喵~

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記住，SD生圖不是隨便下個模型、再輸入關鍵詞就可以憑空生出一張好圖

過程中你要不斷抽卡、試錯、修改、運用不同權重和模型的特性，才能借助AI的算力畫出最貼近你內心的構圖

工具只是方便你工作，而不是讓自己可以偷懶的工具喵(要學的還是要學)

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