3D量測在鞋款設計之應用

3D Measurement Application in Shoes Design

鞋款型式隨著流行趨勢而有多種變化，為了流行而穿不合腳型的鞋款，往往會造成腳部永久性的傷害。本研究的目的是應用逆向工程技術，擷取消費者腳部相關重要尺寸，並結合網際網路功能，開發出一套客製化鞋款設計系統，以達到符合消費者腳型的設計目標。首先，運用自行設計的三次元光學逆向腳型掃描量測平台，取得消費者腳型外觀立體點資料，再透過本研究所提出的截面差異分析比較演算法，進行腳型點資料與資料庫標準三維鞋楦模型進行計算比對，找出兩者差異之處，產生適合消費者腳型的客製化建議值。配合此建議值，並達到符合消費者足部曲線之合適性，系統自動進行內襯模組與鞋墊模組選擇，使消費者可得到最合適自己腳型的鞋款。透過本系統程式所設計的使用介面，消費者能夠在操作過程，透過每一介面的顯示內容，逐一了解個人腳型與標準鞋楦間的差異性。最後，消費者能選擇自己所喜愛的款式與顏色，並以虛擬原型的技術，透過網路與互動式動態展示方式，呈現出最終的結果。

Shoes style is changing along with social fashion, but together with it we have many feet-related diseases. This is mainly due to the shoe is unsuited to someone pediform shape, causing indisposition and injury. The purpose of this research is to develop a shoes design system by using reverse engineering to measure customers feet and combining network functions. This research firstly develops a 3D feet measurement platform in order to obtain feet data. A point cloud data obtained from customer's feet can be acquired by using non-contact laser scanner. And then a novel procedure, named cross-section difference analysis comparison algorithm, is proposed for dealing with the comparison between the data and the database of standard shoe last. The system contains a friendly user interface in which designer can set and choose design parameters, and understand the design dissimilitude during operation process. For the different portions, we can redesign it in the fast customization system, and then create a pair of comfortable shoe that match consumer's foot curve completely. Finally, the result of design can be display and choose on the screen by using virtual prototyping technology.