Two-Gimbal PAT: An artistic installation combining mechanical and acoustic rotation of levitated content

Two-Gimbal PAT: An artistic installation combining mechanical and acoustic rotation of levitated content
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Two-Gimbal PAT:一种结合了悬浮内容的机械和声学旋转的艺术装置

DOI:
10.1145/3491101.3519891
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发表时间:
2022
期刊:
--
影响因子:
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通讯作者:
Kazemi B
Kazemi B
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文献类型:
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作者:
Kazemi B

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使用超声换能器相控阵(PATS)的交互式应用为创建3D显示提供了新的机会。它们使用悬浮粒子(如聚苯乙烯珠子、线或织物)显示视觉内容,这些粒子在半空中动态变化以渲染体积形状。通常,该技术使用固定的换能器阵列(例如,垂直或水平对齐的两块板)来显示交互内容。也就是说,由悬浮装置定义的固定参考系(SOR)和动态半空内容。本演示提出了一种新颖的设置,为具有动态半空内容的设备提供了动态SOR。我们通过将安装在双万向节机构上的基于PAT的悬浮设备组合在一起来实现这一点,从而产生一个具有用于体积动画的动态坐标系的设备。我们描述了我们的设置和演示,旨在创造一种有趣的体验,其中内容和设备本身都可以在3D空间中自由移动,目的是挑战用户对显示内容的期望,甚至是支持它的原则。
Interactive applications using ultrasonic phased arrays of transducers (PATs) provide novel opportunities to create 3D displays. They show visual content using levitated particles such as polystyrene beads, thread or fabric, that dynamically change to render volumetric shapes in mid-air. Typically, this technology uses fixed arrays of transducers (e.g., two boards vertically or horizontally aligned) to display interactive content. That is, a fixed system of reference (SoR), defined by the levitation device, and dynamic mid-air content. This demo proposes a novel setup, featuring a dynamic-SoR for the device with the dynamic mid-air content. We do this by combining a PAT-based levitation device mounted onto a two-gimbal mechanism, resulting into a device with a dynamic coordinate system for volumetric animations. We describe our setup and demonstration, which aims to create an intriguing experience, where both the content and the device itself can freely move in 3D space, with the aim of challenging the user's expectations about the content displayed or even the principles enabling it.
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