avaTTAR: Table Tennis Stroke Training with On-body and Detached Visualization in Augmented Reality

avaTTAR: Table Tennis Stroke Training with On-body and Detached Visualization in Augmented Reality

Dizhi Ma*, Xiyun Hu*, Jingyu Shi, Mayank Patel, Rahul Jain, Ziyi Liu, Zhengzhe Zhu, Karthik Ramani
In The 37th Annual ACM Symposium on User Interface Software and Technology (UIST ’24)

Table tennis stroke training is a critical aspect of player development. We designed a new augmented reality (AR) system, avaTTAR, for table tennis stroke training. The system provides both "on-body" (first-person view) and "detached" (third-person...

ClassMeta: Designing Interactive Virtual Classmate to Promote VR Classroom Participation

ClassMeta: Designing Interactive Virtual Classmate to Promote VR Classroom Participation

Ziyi Liu*, Zhengzhe Zhu*, Lijun Zhu, Enze Jiang, Xiyun Hu, Kylie A Peppler, Karthik Ramani
In Proceedings of the CHI Conference on Human Factors in Computing Systems, pp. 1-17. 2024.

Peer influence plays a crucial role in promoting classroom participation, where behaviors from active students can contribute to a collective classroom learning experience. However, the presence of these active students depends on several...

Ubi-TOUCH: Ubiquitous Tangible Object Utilization through Consistent Hand-object interaction in Augmented Reality

Ubi-TOUCH: Ubiquitous Tangible Object Utilization through Consistent Hand-object interaction in Augmented Reality

Rahul Jain*, Jingyu Shi*, Runlin Duan, Zhengzhe Zhu, Xun Qian, Karthik Ramani
In Proceedings of the 36th Annual ACM Symposium on User Interface Software and Technology (UIST 2023)

Utilizing everyday objects as tangible proxies for Augmented Reality (AR) provides users with haptic feedback while interacting with virtual objects. Yet, existing methods focus on the attributes of the objects, constraining the possible proxies...

InstruMentAR: Auto-Generation of Augmented Reality Tutorials for Operating Digital Instruments Through Recording Embodied

InstruMentAR: Auto-Generation of Augmented Reality Tutorials for Operating Digital Instruments Through Recording Embodied

Ziyi Liu, Zhengzhe Zhu, Enze Jiang, Feichi Huang, Ana Villanueva, Tianyi Wang, Xun Qian, Karthik Ramani
In Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems

Augmented Reality tutorials, which provide necessary context by directly superimposing visual guidance on the physical referent, represent an effective way of scaffolding complex instrument operations. However, current AR tutorial authoring...

LearnIoTVR: An End-to-End Virtual Reality Environment Providing Authentic Learning Experiences for Internet of Things

LearnIoTVR: An End-to-End Virtual Reality Environment Providing Authentic Learning Experiences for Internet of Things

Zhengzhe Zhu, Ziyi Liu, Youyou Zhang, Lijun Zhu, Joey Huang, Ana villanueva, Xun Qian, Kylie Peppler, Karthik Ramani
In the Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems

The rapid growth of Internet-of-Things (IoT) applications has generated interest from many industries and a need for graduates with relevant knowledge. An IoT system is comprised of spatially distributed interactions between humans and various...

MechARspace: An Authoring System Enabling Bidirectional Binding of Augmented Reality with Toys in Real-time

MechARspace: An Authoring System Enabling Bidirectional Binding of Augmented Reality with Toys in Real-time

Zhengzhe Zhu, Ziyi Liu, Tianyi Wang, Youyou Zhang, Xun Qian, Pashin Farsak Raja, Ana Villanueva, Karthik Ramani
In Proceedings of the 35th Annual ACM Symposium on User Interface Software and Technology (pp. 1-16).

Augmented Reality (AR), which blends physical and virtual worlds, presents the possibility of enhancing traditional toy design. By leveraging bidirectional virtual-physical interactions between humans and the designed artifact, such AR-enhanced...

ColabAR: A Toolkit for Remote Collaboration in Tangible Augmented Reality Laboratories

ColabAR: A Toolkit for Remote Collaboration in Tangible Augmented Reality Laboratories

Ana Villanueva, Zhengzhe Zhu, Ziyi Liu, Feiyang Wang, Subramanian Chidambaram, Karthik Ramani
In the Proceedings of the ACM on Human-Computer Interaction, 6(CSCW1), 1-22

Current times are accelerating new technologies to provide high-quality education for remote collaboration, as well as hands-on learning. This is particularly important in the case of laboratory-based classes, which play an essential role in STEM...

Towards modeling of human skilling for electrical circuitry using augmented reality applications

Towards modeling of human skilling for electrical circuitry using augmented reality applications

Ana Villanueva, Ziyi Liu, Yoshimasa Kitaguchi, Zhengzhe Zhu, Kylie Peppler, Thomas Redick, Karthik Ramani
International Journal of Educational Technology in Higher Education

Augmented reality (AR) is a unique, hands-on tool to deliver information. However, its educational value has been mainly demonstrated empirically so far. In this paper, we present a modeling approach to provide users with mastery of a skill, using...

RobotAR: An Augmented Reality Compatible Teleconsulting Robotics Toolkit for Augmented Makerspace Experiences

RobotAR: An Augmented Reality Compatible Teleconsulting Robotics Toolkit for Augmented Makerspace Experiences

Ana Villanueva, Zhengzhe Zhu, Ziyi Liu, Xin Du, Joey Huang, Kylie Peppler, Karthik Ramani
In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

Distance learning is facing a critical moment finding a balance between high quality education for remote students and engaging them in hands-on learning. This is particularly relevant for project-based classrooms and makerspaces, which typically...

Meta-AR-App: An Authoring Platform for Collaborative Augmented Reality in STEM Classrooms

Meta-AR-App: An Authoring Platform for Collaborative Augmented Reality in STEM Classrooms

Ana Villanueva, Zhengzhe Zhu, Ziyi Liu, Thomas Redick, Kylie Peppler, and Karthik Ramani
In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems

Augmented Reality (AR) has become a valuable tool for education and training processes. Meanwhile, cloud-based technologies can foster collaboration and other interaction modalities to enhance learning. We combine the cloud capabilities with AR...