SD-04 tex2img & img2img 基本操作 ![SD-04 t2i & i2i 基本操作](https://hackmd.io/_uploads/BJHqSVehp.png) 台大李弘毅教授Hung-yi Lee 【生成式AI時代下的機器學習(2025)】第一講:一堂課搞懂生成式人工智慧的技術突破與未來發展 https://www.youtube.com/watch?v=QLiKmca4kzI&t=893s **Web UI的操作介面** ![螢幕擷取畫面 2024-02-19 115909](https://hackmd.io/_uploads/HyOmfUl3p.png) **更改模型路徑修改** (copy 電腦教室的.bat檔) ![image](https://hackmd.io/_uploads/ByU-BOZi0.png) 編輯修改webui-user.bat 檔案 **Lora的圖片如何顯示** 需安裝Civitai Helper執行Scan後 就會下載Lora圖片至檔案中 ![螢幕擷取畫面 2024-03-10 193514](https://hackmd.io/_uploads/S14IsfsTp.png) Lora下載可在資料夾中進行分類 依類別放置Lora檔案 ![螢幕擷取畫面 2024-03-10 193715](https://hackmd.io/_uploads/SyKYjfopp.png) ![螢幕擷取畫面 2024-03-10 194440](https://hackmd.io/_uploads/r1946Mjpa.png) ![螢幕擷取畫面 2024-03-10 194810](https://hackmd.io/_uploads/SyXGCfoTT.png) ![螢幕擷取畫面 2024-03-10 194717](https://hackmd.io/_uploads/HJ9Aafj6T.png) **PNG Info圖片資訊** 將筆記中的圖片 拉入PNG Info(圖片資料)即可看到生成的所有參數設定 只要是用SD生成的圖片 都可以查看生成時所設定的參數 ![image](https://hackmd.io/_uploads/BJAKXDJjC.png) **tex2img(文生圖)&img2img(圖生圖)的基本操作** Prompt: masterpiece,best quality,.... Negative Prompt: ugly,normal,.... 1. Prompt: masterpiece,best quality,modern single house,façade design,window,outdoors,tree,landscape,,real world location,background,4K uhd, 1. Negative Prompt:noisy,ugly,low quality,deform,blurry, 1. Prompt:Modern luxury apartment in Taipei, glass and metal facade, highlights urban exquisite charm, rainy and humid weather, outdoor, (一座位於台北市的現代豪華公寓大樓,以都會風格為主,提供高檔設施和便利的生活方式,突顯都市生活的精緻魅力。) 1. Negative Prompt:Rural landscapes, traditional homes, snow (鄉村風景、傳統住宅、雪) 1. Prompt:Seaside villa in Taitung, wood and glass facade, comfortable seaside living, outdoor,building facade, (一座位於台東縣的海濱度假別墅,結合了現代設計與海洋元素,營造出寧靜與放鬆的度假氛圍,提供舒適的海濱生活體驗。) Negative Prompt:Urban pollution, desert landscapes, heavy snow (城市污染、沙漠景觀、大雪) 1. Prompt: masterpiece , best quality, Office Building, outdoors, sky, day, tree, blue sky, ground vehicle, building, scenery, motor vehicle, walking, city, car, road, lamppost, street, real world location,background,4K uhd, (傑作,最佳品質,((辦公大樓)),戶外,天空,白天,樹,藍天,地面車輛,建築,風景,摩托車,步行,城市,汽車,道路,燈柱,街道,真實世界位置,解析度) 1. (RAW photo,subject,8k uhd,dslr,soft lighting,high quality) (RAW 照片、主體、8k 超高清、數位單眼相機、柔和的燈光、高品質) 1. photography, dynamic view, minimalist design, depth of field that highlights architectural photography, (攝影、動態取景、簡約設計、突顯建築攝影的景深,) **範例練習** **手繪底圖一(1477*1108)** ![75603](https://hackmd.io/_uploads/HJIgO1bCR.jpg) **Resize imagine(512x384) or (1024x768)** ![image](https://hackmd.io/_uploads/rJEiAht5R.png) **Img2Img** ![00001-851982082](https://hackmd.io/_uploads/rkL-_kkh1l.jpg) **立面底圖一** 以schroder house立面為底圖 底圖一(512x354) ![schroder-1](https://hackmd.io/_uploads/B1c3yG7VT.jpg) 底圖二(512x384) ![schroder-2](https://hackmd.io/_uploads/SJjDOdt06.jpg) AI生成1 ![00005-1742589714](https://hackmd.io/_uploads/Hkxgoy13Jg.jpg) AI生成2 ![00002-2076960880](https://hackmd.io/_uploads/rJIi5JJ3yl.jpg) AI生成3 ![00004-1809622499](https://hackmd.io/_uploads/ByOR5y131g.jpg) 加入Lora 手繪風格 ![螢幕擷取畫面 2024-03-10 203359](https://hackmd.io/_uploads/HkJIYQiap.png) ![螢幕擷取畫面 2024-03-10 203700](https://hackmd.io/_uploads/Hy-FtXiTT.png) AI生成4 ![00012-866889695](https://hackmd.io/_uploads/HJPook12kl.jpg) **修改圖面寬度 及高度 ** 記得調整縮放模式(Resize Mode) 修改圖面比例 共有四種可調整的選項:Just resize, Crop and resize, Resize and fill, Just resize(latent upscale) 若要增加建築物之外的空間 且保持建築比例不變 Resize and fill ![螢幕擷取畫面 2024-03-10 203746](https://hackmd.io/_uploads/rkAjF7ja6.png) 1.Just resize ![00032-1262313125](https://hackmd.io/_uploads/HkWtqmjap.jpg) 2.Crop and resize ![00033-708722145](https://hackmd.io/_uploads/H1ZF9XiTT.jpg) 3.Resize and fill ![00034-3833941477](https://hackmd.io/_uploads/BkWtcQi6a.jpg) 4.Just resize(latent upscale) ![00035-1712778170](https://hackmd.io/_uploads/By-t97iT6.jpg) **加入Lora讓效果更突出** Prompt:masterpiece,best quality,De Stijl,schroder house,modern single house,façade design,window,outdoors,tree,landscape,,real world location,background,4K uhd, 加入lora:landscapesupermix_v2:0.85 ![螢幕擷取畫面 2024-03-10 205235](https://hackmd.io/_uploads/HygjpmiT6.png) ![螢幕擷取畫面 2024-03-10 205416](https://hackmd.io/_uploads/SJKjpmjTT.png) ![grid-0002](https://hackmd.io/_uploads/rytE0Qia6.jpg) 在數次跌代後 選一張滿意的圖片 再放入img2img的inpaint進行建築以外的環境局部重繪 ![00056-3759292381](https://hackmd.io/_uploads/r1A_S-3aa.jpg) ![螢幕擷取畫面 2024-03-11 121621](https://hackmd.io/_uploads/B1sjHb3pp.png) **inpaint局部重繪** Prompt:landscape,suburbs background, 加入lora:landscapesupermix_v2:0.85 ![00073-2016937900](https://hackmd.io/_uploads/BkWT7Wh6p.jpg) ![00074-2016937901](https://hackmd.io/_uploads/ryWp7-2Ta.jpg) ![00075-2016937902](https://hackmd.io/_uploads/rJbpQ-npp.jpg) 選擇手繪風格為底圖 在局部重繪時 加入二個Lora 我會讓二個Lora的參數相加值不超過1 數值過大就會常出現過擬合的效果 <lora:landscapesupermix_v2:0.6>,<lora:CWG_archi_sketch_v1:0.4> ![00090-153012497](https://hackmd.io/_uploads/HJcOOZhaa.jpg) ![螢幕擷取畫面 2024-03-11 122847](https://hackmd.io/_uploads/r1P2_b3TT.png) ![00106-1000708245](https://hackmd.io/_uploads/Sk9TtW2pT.jpg) ![00098-4289533370](https://hackmd.io/_uploads/Bk7s_bhT6.jpg) **練習示範** 在文生圖中輸入 prompt:masterpiece,best quality,modern building,road,landscape, office building,architectural photography, Negative prompt: curve,lowres,normal quality,worst quality,cropped,blurry, ![00059-3889573801](https://hackmd.io/_uploads/r1Cfh0Ipa.png) 生成參數如下 Steps: 30, Sampler: Euler a, CFG scale: 7, Seed: 3889573801, Size: 768x512, Model hash: 6ce0161689, Model: v1-5-pruned-emaonly, Version: v1.8.0 **在圖生圖中 進行inpaint 局部重繪** ![螢幕擷取畫面 2024-03-07 142126](https://hackmd.io/_uploads/S1i7pCI6T.png) 將前面道路部分塗起來 並寫入prompt如下 beautifully landscape,grass,flower,tree, Denoising strength的參數值 0.1~1.0 將決定重繪幅度大小 0.7是一個臨界值 ![00027-1179327672](https://hackmd.io/_uploads/BkzlkJwp6.png) prompt:photography, dynamic view, minimalist building facade design, Canon EOS 5D Mark IV, EF 24mm f/1. 4L II USM lens, set f/2. 8, depth of field that highlights architectural photography,