Evaluating Engagement Level and Analytical Support of Interactive Visualizations in Virtual Reality Environments. - Feiyu Lu; Difeng Yu; Hai-Ning Liang; Wenjun Chen; Konstantinos Papangelis; Nazlena Mohamad Ali (ISMAR, 2018)

Target Selection in Head-Mounted Display Virtual Reality Environments. - Difeng Yu; Hai-Ning Liang; Feiyu Lu; Vijayakumar Nanjappan; Konstantinos Papangelis; Wei Wang 042 (J. Univers. Comput. Sci., 2018)

PizzaText: Text Entry for Virtual Reality Systems Using Dual Thumbsticks. - Difeng Yu; Kaixuan Fan; Heng Zhang; Diego Monteiro 001; Wenge Xu; Hai-Ning Liang (IEEE Trans. Vis. Comput. Graph., 2018)

DMove: Directional Motion-based Interaction for Augmented Reality Head-Mounted Displays. - Wenge Xu; Hai-Ning Liang; Yuxuan Zhao; Difeng Yu; Diego Monteiro 001 (CHI, 2019)

Machine Learning Enhanced User Interfaces for Designing Advanced Knitwear. - Martijn ten Bhömer; Hai-Ning Liang; Difeng Yu (HCI (34), 2019)

DepthMove: Leveraging Head Motions in the Depth Dimension to Interact with Virtual Reality Head-Worn Displays. - Difeng Yu; Hai-Ning Liang; Xueshi Lu; Tianyu Zhang; Wenge Xu (ISMAR, 2019)

DepthText: Leveraging Head Movements towards the Depth Dimension for Hands-free Text Entry in Mobile Virtual Reality Systems. - Xueshi Lu; Difeng Yu; Hai-Ning Liang; Xiyu Feng; Wenge Xu (VR, 2019)

DepthMove: Hands-free Interaction in Virtual Reality Using Head Motions in the Depth Dimension. - Difeng Yu; Hai-Ning Liang; Tianyu Zhang; Wenge Xu (VR, 2019)

Modeling endpoint distribution of pointing selection tasks in virtual reality environments. - Difeng Yu; Hai-Ning Liang; Xueshi Lu; Kaixuan Fan; Barrett Ens (ACM Trans. Graph., 2019)

RingText: Dwell-free and hands-free Text Entry for Mobile Head-Mounted Displays using Head Motions. - Wenge Xu; Hai-Ning Liang; Yuxuan Zhao; Tianyu Zhang; Difeng Yu; Diego Monteiro 001 (IEEE Trans. Vis. Comput. Graph., 2019)

Errata to "RingText: Dwell-Free and Hands-Free Text Entry for Mobile Head-Mounted Displays Using Head Motions". - Wenge Xu; Hai-Ning Liang; Yuxuan Zhao; Tianyu Zhang; Difeng Yu; Diego Monteiro 001 (IEEE Trans. Vis. Comput. Graph., 2019)

Exploration of Hands-free Text Entry Techniques For Virtual Reality. - Xueshi Lu; Difeng Yu; Hai-Ning Liang; Wenge Xu; Yuzheng Chen; Xiang Li 101; Khalad Hasan (ISMAR, 2020)

ShadowDancXR: Body Gesture Digitization for Low-cost Extended Reality (XR) Headsets. - Difeng Yu; Weiwei Jiang 001; Chaofan Wang; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (ISS Companion, 2020)

Reading on 3D Surfaces in Virtual Environments. - Chunxue Wei; Difeng Yu; Tilman Dingler (VR, 2020)

Engaging Participants during Selection Studies in Virtual Reality. - Difeng Yu; Qiushi Zhou; Benjamin Tag; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (VR, 2020)

Design and Evaluation of Visualization Techniques of Off-Screen and Occluded Targets in Virtual Reality Environments. - Difeng Yu; Hai-Ning Liang; Kaixuan Fan; Heng Zhang; Charles Fleming; Konstantinos Papangelis (IEEE Trans. Vis. Comput. Graph., 2020)

Fully-Occluded Target Selection in Virtual Reality. - Difeng Yu; Qiushi Zhou; Joshua Newn; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (IEEE Trans. Vis. Comput. Graph., 2020)

Eyes-free Target Acquisition During Walking in Immersive Mixed Reality. - Qiushi Zhou; Difeng Yu; Martin N. Reinoso; Joshua Newn; Jorge Gonçalves 001; Eduardo Velloso (IEEE Trans. Vis. Comput. Graph., 2020)

User Trust in Assisted Decision-Making Using Miniaturized Near-Infrared Spectroscopy. - Weiwei Jiang 001; Zhanna Sarsenbayeva; Niels van Berkel; Chaofan Wang; Difeng Yu; Jing Wei 002; Jorge Gonçalves 001; Vassilis Kostakos (CHI, 2021)

Gaze-Supported 3D Object Manipulation in Virtual Reality. - Difeng Yu; Xueshi Lu; Rongkai Shi; Hai-Ning Liang; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (CHI, 2021)

iText: Hands-free Text Entry on an Imaginary Keyboard for Augmented Reality Systems. - Xueshi Lu; Difeng Yu; Hai-Ning Liang; Jorge Gonçalves 001 (UIST, 2021)

UbiNIRS: A Software Framework for Miniaturized NIRS-based Applications. - Weiwei Jiang 001; Zhanna Sarsenbayeva; Difeng Yu; Jing Wei 002; Niels van Berkel; Jorge Gonçalves 001; Vassilis Kostakos (CoRR, 2021)

Virtual Reality Sickness Mitigation Methods: A Comparative Study in a Racing Game. - Rongkai Shi; Hai-Ning Liang; Yu Wu; Difeng Yu; Wenge Xu (Proc. ACM Comput. Graph. Interact. Tech., 2021)

Movement Guidance using a Mixed Reality Mirror. - Qiushi Zhou; Andrew Irlitti; Difeng Yu; Jorge Gonçalves 001; Eduardo Velloso (Conference on Designing Interactive Systems, 2022)

Haptics in VR Using Origami-Augmented Drones. - Difeng Yu; Weiwei Jiang 001; Andrew Irlitti; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001; Vassilis Kostakos (ISMAR Adjunct, 2022)

Blending On-Body and Mid-Air Interaction in Virtual Reality. - Difeng Yu; Qiushi Zhou; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (ISMAR, 2022)

Optimizing the Timing of Intelligent Suggestion in Virtual Reality. - Difeng Yu; Ruta Desai; Ting Zhang 013; Hrvoje Benko; Tanya R. Jonker; Aakar Gupta (UIST, 2022)

Understanding How to Administer Voice Surveys through Smart Speakers. - Jing Wei 002; Weiwei Jiang 001; Chaofan Wang; Difeng Yu; Jorge Gonçalves 001; Tilman Dingler; Vassilis Kostakos (Proc. ACM Hum. Comput. Interact., 2022)

Predicting Gaze-based Target Selection in Augmented Reality Headsets based on Eye and Head Endpoint Distributions. - Yushi Wei; Rongkai Shi; Difeng Yu; Yihong Wang; Yue Li 023; Lingyun Yu 001; Hai-Ning Liang (CHI, 2023)

Modeling Temporal Target Selection: A Perspective from Its Spatial Correspondence. - Difeng Yu; Brandon Victor Syiem; Andrew Irlitti; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (CHI, 2023)

Point- and Volume-Based Multi-object Acquisition in VR. - Zhiqing Wu; Difeng Yu; Jorge Gonçalves 001 (INTERACT (1), 2023)

Knock the Reality: Virtual Interface Registration in Mixed Reality. - Weiwei Jiang 001; Difeng Yu; Andrew Irlitti; Jorge Gonçalves 001; Vassilis Kostakos; Xin He (VR Workshops, 2023)

Enhancing Mid-Air Selection and Manipulation for Complex Virtual Reality Interaction. - Difeng Yu (2023)

Near-infrared Imaging for Information Embedding and Extraction with Layered Structures. - Weiwei Jiang 001; Difeng Yu; Chaofan Wang; Zhanna Sarsenbayeva; Niels van Berkel; Jorge Gonçalves 001; Vassilis Kostakos (ACM Trans. Graph., 2023)

Space Renovation in Virtual Reality. - Mingxuan Ze; Difeng Yu (Conference on Designing Interactive Systems (Companion Volume), 2024)

Metrics of Motor Learning for Analyzing Movement Mapping in Virtual Reality. - Difeng Yu; Mantas Cibulskis; Erik Skjoldan Mortensen; Mark Schram Christensen; Joanna Bergström (CHI, 2024)

From Research to Practice: Survey and Taxonomy of Object Selection in Consumer VR Applications. - Mykola Maslych; Difeng Yu; Amirpouya Ghasemaghaei; Yahya Hmaiti; Esteban Segarra Martinez; Dominic Simon; Eugene M. Taranta II; Joanna Bergström; Joseph J. LaViola (ISMAR, 2024)

Tendon Vibration for Creating Movement Illusions in Virtual Reality. - Mantas Cibulskis; Difeng Yu; Erik Skjoldan Mortensen; Waseem Hassan; Mark Schram Christensen; Joanna Bergström (CHI, 2025)

A Concept at Work: A Review of Motivations, Operationalizations, and Conclusions in VR Research about Presence. - Cleo Xiao; Difeng Yu; Kasper Hornbæk; Joanna Bergström (CHI, 2025)

Deriving Selection Techniques for GUIs based on the Multiple Process Model. - Difeng Yu; James Roberts; Kasper Hornbæk; Joanna Bergström (CHI, 2025)

Object Selection and Manipulation in VR Headsets: Research Challenges, Solutions, and Success Measurements. - Difeng Yu; Tilman Dingler; Eduardo Velloso; Jorge Gonçalves 001 (ACM Comput. Surv., 2025)