【摘要】：虛擬仿真技術(shù)的快速發(fā)展及體感設(shè)備的不斷更新為沙畫動(dòng)畫這一全新的藝術(shù)創(chuàng)作形式帶來新的靈感。針對沙畫現(xiàn)場作畫工序復(fù)雜的問題,結(jié)合Leap Motion設(shè)備和Unity3D開發(fā)環(huán)境完成手勢識(shí)別并驅(qū)動(dòng)虛擬手實(shí)現(xiàn)虛擬沙畫效果。首先,依據(jù)Leap Motion捕捉到的手勢坐標(biāo)及方向信息提取手部關(guān)鍵點(diǎn);然后提出角域劃分的方法并引入新的特征向量,將其與提取信息串聯(lián)作為手勢分類依據(jù);最后,根據(jù)自行定義的沙畫手勢語義驅(qū)動(dòng)虛擬手完成虛擬沙畫創(chuàng)作。實(shí)驗(yàn)證明,利用Leap Motion完成近距離手勢識(shí)別效果較其他方法結(jié)果更加精準(zhǔn),實(shí)時(shí)性較高,手勢跟蹤穩(wěn)定,虛擬沙畫繪畫過程沉浸感強(qiáng)。
[Abstract]:The rapid development of virtual simulation technology and the continuous updating of body sensation equipment bring new inspiration to sand painting animation, a new art creation form. Aiming at the problem of complex drawing procedure in sand painting field, combined with Leap Motion equipment and Unity3D development environment, hand gesture recognition is completed and virtual sand painting effect is realized by driving virtual hand. Firstly, the key points of hand are extracted according to the gesture coordinate and direction information captured by Leap Motion. Then, a method of angle domain partition is proposed and a new feature vector is introduced, which is connected with the extracted information as the basis of gesture classification. According to the self-defined sand painting gesture semantic driven virtual hand to complete the virtual sand painting creation. Experimental results show that the results of close gesture recognition by Leap Motion are more accurate, real-time and stable than other methods, and the virtual sand painting process is more immersive.
【作者單位】： 計(jì)算機(jī)與控制工程學(xué)院;
【基金】：山西省科技攻關(guān)項(xiàng)目(No.2015031003-3)
【分類號】：TP391.41;TP391.9

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