[{"data":1,"prerenderedAt":119},["ShallowReactive",2],{"blog-\u002Fblog\u002Fzh-hant\u002Fwhy-smartphone":3,"blog-\u002Fblog\u002Fzh-hant\u002Fwhy-smartphone-surround":93,"blog-\u002Fblog\u002Fzh-hant\u002Fwhy-smartphone-translations":102},{"id":4,"title":5,"author":6,"body":9,"date":77,"description":78,"draft":79,"extension":80,"image":81,"meta":82,"navigation":84,"path":85,"seo":86,"stem":87,"tags":88,"__hash__":92},"blogZhHant\u002Fblog\u002Fzh-hant\u002Fwhy-smartphone.md","為什麼要用手機做肌膚分析",{"name":7,"picture":8},"Soo Ick Cho","\u002Fimages\u002Fblog\u002Fauthor-sooickcho.jpg",{"type":10,"value":11,"toc":69},"minimark",[12,16,20,23,26,29,32,35,38,41,45,48,51,54,57,60,63,66],[13,14,15],"p",{},"前兩篇文章裡，我談了測量肌膚的「測量」會浮動，也談了就連專家的「判斷」也無法收斂成唯一答案。那麼剩下的問題只有一個：那到底要用什麼來看肌膚？我選擇了智慧型手機，而要解釋原因，得先從診所的儀器說起。",[17,18,19],"h2",{"id":19},"診所的儀器十年前就有了",[13,21,22],{},"到皮膚科診所，會有幫你拍臉並分析的儀器。這不是什麼新東西，十多年前就開始使用了。但這種方式有兩個限制。",[13,24,25],{},"第一，結果留在診所裡。拍攝當天的照片與數值儲存在診所的伺服器上，本人反而很難把它調出來看、拿來做保養管理。",[13,27,28],{},"第二，那個數值是綁定在儀器上的數值。就算螢幕上顯示「色素 70」，也很難知道那是什麼樣的水準，更無法和其他公司儀器的 70 相比。前面文章提到的測量值彼此不相容的問題，在這裡再次重演。",[17,30,31],{"id":31},"手機相機已經夠好了",[13,33,34],{},"因為我是皮膚科醫師，從很早以前就常有人拍下病灶的照片傳給我。這幾年畫質變好了，光靠照片就能大致判斷狀況。",[13,36,37],{},"2020 年，我主持 NIA（韓國資訊化振興院）的資料蒐集計畫，用 DSLR 和智慧型手機蒐集皮膚影像資料。那時智慧型手機相機的畫質，就已經相當不錯了。",[13,39,40],{},"我感覺到，用手機定期確認自己的膚況、再據此選擇合適的方案，已經不再是遙遠的事。",[17,42,44],{"id":43},"問題出在前鏡頭","問題出在「前」鏡頭",[13,46,47],{},"然而要自己拍臉部肌膚，就得用前鏡頭。我在這裡撞上了牆。",[13,49,50],{},"2020 年前後，許多手機的前鏡頭都在 1,000 萬畫素以下，解析度明顯不如後鏡頭。再加上前鏡頭會讓臉部變形，必須隔著一段距離拍，這麼一來臉在照片中所佔的範圍又更小了。結果就是解析度不足、雜訊很多的照片，細紋和色素全都糊成一片。",[13,52,53],{},"原因很簡單。前鏡頭的目的是把自拍拍得好看，精細的解析度從來不是優先考量。",[13,55,56],{},"當然，改用後鏡頭就能解決畫質問題。但那樣就得有人幫忙拍，而這一刻，問題又回到了和在診所拍攝一樣的原點：很難經常、持續地累積資料。",[17,58,59],{"id":59},"所以我等了",[13,61,62],{},"整理下來，條件有兩個：要能一個人輕鬆累積，就必須是前鏡頭；同時，解析度也得夠高。",[13,64,65],{},"然後，iPhone 17 的前鏡頭來到了 1,800 萬畫素。我判斷這樣就夠了，並在這個判斷之上，開始了 InSkin Lab。",[13,67,68],{},"INSKINVIEW 之所以用一張自拍就把肌膚拆成六個面向來看，原因就在這裡。記錄留在自己手中，而不是診所的伺服器；比較昨天和今天，用的是同一個標準，而不是某台儀器的刻度。這就是我等待技術成熟的理由。",{"title":70,"searchDepth":71,"depth":71,"links":72},"",2,[73,74,75,76],{"id":19,"depth":71,"text":19},{"id":31,"depth":71,"text":31},{"id":43,"depth":71,"text":44},{"id":59,"depth":71,"text":59},"2026-07-26","皮膚科診所早就有臉部分析儀器了。那為什麼非得是手機不可，又為什麼是現在？這是關於這兩個問題的記錄。",false,"md","\u002Fimages\u002Fblog\u002F06e1a2a1-0445-4b8a-a296-8de6577895de.png",{"slug":83},"why-smartphone",true,"\u002Fblog\u002Fzh-hant\u002Fwhy-smartphone",{"title":5,"description":78},"blog\u002Fzh-hant\u002Fwhy-smartphone",[89,90,91],"手機肌膚分析","自拍","INSKINVIEW","cRCw2lCyS_SpwLs5vyd4CMUBUPTNutbSTkK6kDkE2-c",[94,98],{"title":95,"path":96,"stem":97,"children":-1},"一次測量看不出來的事","\u002Fblog\u002Fzh-hant\u002Fwhy-measure-often","blog\u002Fzh-hant\u002Fwhy-measure-often",{"title":99,"path":100,"stem":101,"children":-1},"用 AI 評估肌膚這件事","\u002Fblog\u002Fzh-hant\u002Fhow-to-evaluate-skin","blog\u002Fzh-hant\u002Fhow-to-evaluate-skin",[103,107,111,115],{"code":104,"name":105,"path":106},"ko","한국어","\u002Fblog\u002Fwhy-smartphone",{"code":108,"name":109,"path":110},"en","English","\u002Fblog\u002Fen\u002Fwhy-smartphone",{"code":112,"name":113,"path":114},"ja","日本語","\u002Fblog\u002Fja\u002Fwhy-smartphone",{"code":116,"name":117,"path":118},"zh-hans","简体中文","\u002Fblog\u002Fzh-hans\u002Fwhy-smartphone",1791649183503]