Media type: E-Article Title: V-Pen: An Acoustic-Based Fine-Grained Virtual Pen Input System Using Hand Tracking Contributor: Han, Wei; Li, Yinghao; Yu, Hao; Jia, Jiabin imprint: Institute of Electrical and Electronics Engineers (IEEE), 2024 Published in: IEEE Transactions on Instrumentation and Measurement Language: Not determined DOI: 10.1109/tim.2023.3335525 ISSN: 0018-9456; 1557-9662 Keywords: Electrical and Electronic Engineering ; Instrumentation Origination: Footnote: