虚拟卡尺:从3D测量快速创建度量精确的化身。

IF 4.7 1区 计算机科学 Q1 COMPUTER SCIENCE, SOFTWARE ENGINEERING
Sergi Pujades, Betty Mohler, Anne Thaler, Joachim Tesch, Naureen Mahmood, Nikolas Hesse, Heinrich H Bulthoff, Michael J Black
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引用次数: 36

摘要

创建精确的虚拟形象对于许多应用都很重要,例如虚拟服装试穿、人体工程学、医学、沉浸式社交媒体、远程呈现和游戏。然而,由于需要昂贵的3D扫描仪,照片或视频的隐私问题,以及难以进行精确的剪裁测量,创建精确代表特定个体的虚拟形象具有挑战性。我们通过创造“虚拟卡尺”来克服这些挑战,它使用VR游戏控制器进行简单的测量。首先,我们确定用户可以可靠地测量自己的身体。我们发现一些距离测量是很好的候选者,然后验证它们与由SMPL身体模型表示的3D身体形状线性相关。“虚拟卡尺”可以让新手用户精确测量自己,并根据自己的体型创建一个虚拟化身。我们评估了相对于地面真实3D身体扫描数据的度量精度,将该方法与其他虚拟形象创建工具进行了定量比较,并进行了广泛的感知研究。我们还为社区提供了一个软件应用程序,使新手能够在不到五分钟的时间内快速创建化身。我们的方法不仅比现有的方法更快,它还输出了一个精确的3D角色模型,可以被操纵和蒙皮。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Virtual Caliper: Rapid Creation of Metrically Accurate Avatars from 3D Measurements.

Creating metrically accurate avatars is important for many applications such as virtual clothing try-on, ergonomics, medicine, immersive social media, telepresence, and gaming. Creating avatars that precisely represent a particular individual is challenging however, due to the need for expensive 3D scanners, privacy issues with photographs or videos, and difficulty in making accurate tailoring measurements. We overcome these challenges by creating "The Virtual Caliper", which uses VR game controllers to make simple measurements. First, we establish what body measurements users can reliably make on their own body. We find several distance measurements to be good candidates and then verify that these are linearly related to 3D body shape as represented by the SMPL body model. The Virtual Caliper enables novice users to accurately measure themselves and create an avatar with their own body shape. We evaluate the metric accuracy relative to ground truth 3D body scan data, compare the method quantitatively to other avatar creation tools, and perform extensive perceptual studies. We also provide a software application to the community that enables novices to rapidly create avatars in fewer than five minutes. Not only is our approach more rapid than existing methods, it exports a metrically accurate 3D avatar model that is rigged and skinned.

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来源期刊
IEEE Transactions on Visualization and Computer Graphics
IEEE Transactions on Visualization and Computer Graphics 工程技术-计算机:软件工程
CiteScore
10.40
自引率
19.20%
发文量
946
审稿时长
4.5 months
期刊介绍: TVCG is a scholarly, archival journal published monthly. Its Editorial Board strives to publish papers that present important research results and state-of-the-art seminal papers in computer graphics, visualization, and virtual reality. Specific topics include, but are not limited to: rendering technologies; geometric modeling and processing; shape analysis; graphics hardware; animation and simulation; perception, interaction and user interfaces; haptics; computational photography; high-dynamic range imaging and display; user studies and evaluation; biomedical visualization; volume visualization and graphics; visual analytics for machine learning; topology-based visualization; visual programming and software visualization; visualization in data science; virtual reality, augmented reality and mixed reality; advanced display technology, (e.g., 3D, immersive and multi-modal displays); applications of computer graphics and visualization.
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