ORCID Profile
0000-0003-0808-2285
Current Organisation
Michigan State University
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Publisher: ACM
Date: 07-09-2015
Publisher: ACM
Date: 15-10-2018
Publisher: IEEE
Date: 09-2013
Publisher: Elsevier BV
Date: 2016
Publisher: ACM
Date: 20-06-2016
Publisher: ACM
Date: 06-11-2017
Publisher: ACM
Date: 11-10-2018
Publisher: IEEE
Date: 2013
Publisher: MDPI AG
Date: 08-10-2023
Publisher: ACM
Date: 11-09-2015
Publisher: ACM
Date: 24-06-2021
Publisher: Association for Computing Machinery (ACM)
Date: 27-09-2023
DOI: 10.1145/3610885
Publisher: Association for Computing Machinery (ACM)
Date: 11-09-2017
DOI: 10.1145/3130937
Abstract: Free-hand gestural input is essential for emerging user interactions. We present Aili, a table l reconstructing a 3D hand skeleton in real time, requiring neither cameras nor on-body sensing devices. Aili consists of an LED panel in a l shade and a few low-cost photodiodes embedded in the l base. To reconstruct a hand skeleton, Aili combines 2D binary blockage maps from vantage points of different photodiodes, which describe whether a hand blocks light rays from in idual LEDs to all photodiodes. Empowering a table l with sensing capability, Aili can be seamlessly integrated into the existing environment. Relying on such low-level cues, Aili entails lightweight computation and is inherently privacy-preserving. We build and evaluate an Aili prototype. Results show that Aili’s algorithm reconstructs a hand pose within 7.2 ms on average, with 10.2° mean angular deviation and 2.5-mm mean translation deviation in comparison to Leap Motion. We also conduct user studies to examine the privacy issues of Leap Motion and solicit feedback on Aili’s privacy protection. We conclude by demonstrating various interaction applications Aili enables.
Publisher: ACM
Date: 07-09-2014
Publisher: ACM
Date: 16-11-2020
Publisher: ACM
Date: 09-05-2023
Publisher: ACM
Date: 07-09-2015
Publisher: ACM
Date: 18-06-2023
Publisher: ACM
Date: 18-05-2015
Publisher: ACM
Date: 18-06-2023
Location: United States of America
No related grants have been discovered for Tianxing Li.