本文選題：服裝 + 虛擬人體��； 參考：《上海工程技術(shù)大學(xué)》2015年碩士論文

【摘要】：隨著時(shí)代的發(fā)展,人們的生活方式以及思想觀念相較以前發(fā)生了巨大的變化�，F(xiàn)代人們?cè)絹碓阶非笊畹钠焚|(zhì),服裝作為“衣穿住行”的重要組成部分,人們對(duì)它的要求也越來越高。人們已經(jīng)不滿足于直接到實(shí)體店挑選,這種簡(jiǎn)單的購(gòu)買服裝的方式。工業(yè)技術(shù)、互聯(lián)網(wǎng)技術(shù)的快速發(fā)展,不僅促進(jìn)了服裝設(shè)計(jì)、加工、生產(chǎn)效率的提高,同時(shí)也對(duì)傳統(tǒng)的銷售模式造成巨大沖擊,服裝行業(yè)需要作出改變,整合優(yōu)勢(shì)資源與互聯(lián)網(wǎng)平臺(tái)相對(duì)接,以提供多元化營(yíng)銷體驗(yàn),所以對(duì)實(shí)體服裝數(shù)字化、拓展網(wǎng)絡(luò)銷售方式是服裝企業(yè)發(fā)展的必然趨勢(shì)。計(jì)算機(jī)軟硬件水平不斷發(fā)展為虛擬服裝動(dòng)態(tài)展示帶來新的生機(jī)和機(jī)遇,特別是在服裝電子商務(wù)領(lǐng)域,虛擬試衣及服裝動(dòng)態(tài)虛擬展示等技術(shù)漸將成為新的營(yíng)銷輔助手段,但其中很多關(guān)鍵技術(shù)研究還有待解決和完善。本文主要目的就是研究與虛擬服裝個(gè)性化動(dòng)態(tài)展示相關(guān)的一些關(guān)鍵技術(shù)問題,力求在現(xiàn)有硬件平臺(tái)條件下盡可能實(shí)現(xiàn)實(shí)時(shí)逼真的服裝動(dòng)態(tài)展示效果,為虛擬試衣及動(dòng)態(tài)展示網(wǎng)絡(luò)平臺(tái)應(yīng)用提供技術(shù)支撐。本文主要內(nèi)容包括個(gè)性化人體建模、服裝逆向工程、虛擬動(dòng)態(tài)展示等,其相關(guān)工作包括如下:(1)考慮到三維服裝動(dòng)態(tài)展示需要個(gè)性化人體模型作為服裝的載體,采用一種通過人體掃描點(diǎn)云數(shù)據(jù)進(jìn)行人體建模的方法,通過三維人體掃描儀獲取近似標(biāo)準(zhǔn)站姿全身人體點(diǎn)云數(shù)據(jù),然后再經(jīng)點(diǎn)云預(yù)處理如精簡(jiǎn)、去噪、破洞修復(fù)等步驟得到平滑網(wǎng)格,再對(duì)之進(jìn)行自適應(yīng)矢量骨骼建模,最后得到符合骨骼驅(qū)動(dòng)皮膚形變要求的人體動(dòng)態(tài)展示模型。(2)通過投影儀、攝像機(jī)和計(jì)算機(jī)等設(shè)備,采用格雷碼編碼結(jié)合結(jié)構(gòu)光相移三維測(cè)量技術(shù),對(duì)實(shí)體服裝進(jìn)行逆向工程,獲得其數(shù)字化網(wǎng)格及紋理等數(shù)據(jù)信息。(3)采用骨骼驅(qū)動(dòng)著裝人體變形模型,構(gòu)建動(dòng)態(tài)虛擬展示系統(tǒng)。建立服裝的物理模型、并構(gòu)建人體的皮膚網(wǎng)格-骨骼的映射關(guān)系、處理服裝網(wǎng)格與人體皮膚網(wǎng)格模型的碰撞檢測(cè)與碰撞響應(yīng)問題。經(jīng)過實(shí)體測(cè)試表明,本文能夠?qū)崿F(xiàn)任意人體任意服裝的動(dòng)態(tài)虛擬著裝展示,該技術(shù)為服裝個(gè)人定制行業(yè)提供了預(yù)先展示著裝效果的功能,這也是未來服裝高級(jí)定制發(fā)展的一個(gè)主要方向。
[Abstract]:With the development of the times, people's way of life and ideas have changed a lot. Modern people more and more pursue the quality of life, clothing as an important part of "clothing, housing", people are demanding it more and more. People are no longer content to go directly to physical stores, a simple way to buy clothes. The rapid development of industrial technology and Internet technology has not only promoted the improvement of clothing design, processing and production efficiency, but also caused a huge impact on the traditional sales mode, and the clothing industry needs to make changes. In order to provide diversified marketing experience, it is an inevitable trend for garment enterprises to digitize the physical clothing and expand the online sales mode. The development of computer software and hardware level has brought new vitality and opportunity to the dynamic display of virtual clothing, especially in the field of e-commerce, virtual fitting and dynamic virtual display of clothing will gradually become a new assistant means of marketing. However, many of the key technologies still need to be solved and improved. The main purpose of this paper is to study some key technical problems related to the dynamic display of virtual clothing personalization, in order to realize the real-time and realistic clothing dynamic display effect under the condition of the existing hardware platform as far as possible. It provides technical support for virtual fitting and dynamic display network platform application. The main contents of this paper include personalized human modeling, garment reverse engineering, virtual dynamic display and so on. In this paper, a method of modeling human body by scanning point cloud data of human body is adopted, and the body point cloud data of body in approximate standard standing posture are obtained by three-dimensional human body scanner, and then preprocessed by point cloud, such as simplification, denoising. A smooth mesh is obtained for repairing holes, and then adaptive vector bone modeling is carried out. Finally, a dynamic display model of the human body, which meets the requirements of skeletal driven skin deformation, is obtained by means of projectors, cameras, computers and other devices. A dynamic virtual display system was constructed by using gray code coding combined with structural light phase shift 3D measurement technology to reverse engineering the solid clothing. The digital mesh and texture data were obtained. The deformation model of the dressed human body was driven by the skeleton. The physical model of clothing is established and the mapping relationship between skin mesh and bone is constructed to deal with the collision detection and collision response between garment mesh and human skin mesh model. The entity test shows that this paper can realize the dynamic virtual clothing display of any human body, and this technology provides the function of pre-displaying the clothing effect for the clothing personal customization industry. This is also a major direction for the future development of couture.
【學(xué)位授予單位】：上海工程技術(shù)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TS942.8;TP391.9

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