Publications

2025

1. 

   Dynamic Redirection for Safe Interaction with ETHD-Simulated Virtual Objects

   Yuqi Zhou , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2025

   Bib PDF Video

   @article{zhou2025tvcg,
     title = {Dynamic Redirection for Safe Interaction with ETHD-Simulated Virtual Objects},
     author = {Zhou, Yuqi and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     year = {2025},
     publisher = {IEEE},
     selected = true,
     bibtex_show = true,
   }

2. 

   XRXL: A System for Immersive Visualization in Large Lectures

   Kabir Batra , Zirui Zhang , Shuwen Yang , Arnima Agrawal , Yiyin Gu , Bedrich Benes , Alejandra Magana , and Voicu Popescu

   In 2025 IEEE Conference Virtual Reality and 3D User Interfaces (VR) , 2025

   Bib PDF Video

   @inproceedings{batra2025xrxl,
     title = {XRXL: A System for Immersive Visualization in Large Lectures},
     author = {Batra, Kabir and Zhang, Zirui and Yang, Shuwen and Agrawal, Arnima and Gu, Yiyin and Benes, Bedrich and Magana, Alejandra and Popescu, Voicu},
     booktitle = {2025 IEEE Conference Virtual Reality and 3D User Interfaces (VR)},
     year = {2025},
     organization = {IEEE},
     selected = true,
     bibtex_show = true
   }

3. 

   Hands-Free VR

   Jorge Askur Vazquez Fernandez , Jae Joong Lee , Santiago Andrés Serrano Vacca , Alejandra Magana , Radim Pesam , Bedrich Benes , and Voicu Popescu

   In 9th International Conference on Human Computer Interaction Theory and Applications (HUCAPP) , 2025

   Bib PDF Video

   @inproceedings{fernandez2024handsfreevr,
     title = {Hands-Free VR},
     author = {Fernandez, Jorge Askur Vazquez and Lee, Jae Joong and Vacca, Santiago Andrés Serrano and Magana, Alejandra and Pesam, Radim and Benes, Bedrich and Popescu, Voicu},
     booktitle = {9th International Conference on Human Computer Interaction Theory and Applications (HUCAPP)},
     year = {2025},
     selected = true,
     bibtex_show = true
   }

4. 

   Complex VEs on All-In-One VR Headsets Through Continuous From-Segment Visibility Computation

   Voicu Popescu , Elisha Sacks , Zirui Zhang , and Jorge Vazquez

   In 2025 IEEE Conference Virtual Reality and 3D User Interfaces (VR) , 2025

   Bib PDF Video

   @inproceedings{voicu2025vr,
     title = {Complex VEs on All-In-One VR Headsets Through Continuous From-Segment Visibility Computation},
     author = {Popescu, Voicu and Sacks, Elisha and Zhang, Zirui and Vazquez, Jorge},
     booktitle = {2025 IEEE Conference Virtual Reality and 3D User Interfaces (VR)},
     year = {2025},
     selected = true,
     bibtex_show = true
   }

5. 

   SeamlessVR: Bridging the Immersive to Non-Immersive Visualization Divide

   Shuqi Liao , Sparsh Chaudhri , Maanas Karwa , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2025

   Bib PDF Video

   @article{liao2025seamlessvr,
     title = {SeamlessVR: Bridging the Immersive to Non-Immersive Visualization Divide},
     author = {Liao, Shuqi and Chaudhri, Sparsh and Karwa, Maanas and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     year = {2025},
     publisher = {IEEE},
     selected = true,
     bibtex_show = true,
   }

6. 

   Exploring Extended Reality (XR) in Teaching AI: A Comparative Study of XR and Desktop Environments

   Miguel A. Feijoo-Garcia , Yiqun Zhang , Yiyin Gu , Alejandra Magana , Bedrich Benes , and Voicu Popescu

   In Proceedings of the 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1: GRAPP, HUCAPP and IVAPP , 2025

   Bib PDF

   @inproceedings{feijoo-garcia2025,
     title = {{Exploring Extended Reality (XR) in Teaching AI: A Comparative Study of XR and Desktop Environments}},
     author = {Feijoo-Garcia, Miguel A. and Zhang, Yiqun and Gu, Yiyin and Magana, Alejandra and Benes, Bedrich and Popescu, Voicu},
     booktitle = {{Proceedings of the 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1: GRAPP, HUCAPP and IVAPP}},
     year = {2025},
     isbn = {978-989-758-728-3},
     issn = {2184-4321},
     pages = {472--482},
     selected = true,
     bibtex_show = true
   }

2024

1. 

   Detectability of ETHD Position and Speed Redirection for VR Haptics

   Yuqi Zhou , and Voicu Popescu

   In 2024 IEEE International Symposium on Mixed and Augmented Reality (ISMAR) , 2024

   Bib PDF Video

   @inproceedings{zhou2024Ismar,
     title = {Detectability of ETHD Position and Speed Redirection for VR Haptics},
     author = {Zhou, Yuqi and Popescu, Voicu},
     booktitle = {2024 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)},
     pages = {140--149},
     year = {2024},
     organization = {IEEE},
     selected = true,
     bibtex_show = true
   }

2. 

   Look-over-there: Real-World Co-Located Cross-Referencing Using Augmented Reality

   Yuqi Zhou , and Voicu Popescu

   In 2024 International Conference of Human Computer Interaction Theory and Applications , 2024

   Bib PDF Video

   @inproceedings{zhou2024huccap,
     title = {Look-over-there: Real-World Co-Located Cross-Referencing Using Augmented Reality},
     author = {Zhou, Yuqi and Popescu, Voicu},
     booktitle = {2024 International Conference of Human Computer Interaction Theory and Applications},
     pages = {427--434},
     year = {2024},
     organization = {VISIGRAPP},
     selected = true,
     bibtex_show = true
   }

3. 

   CloVR: Fast-Startup Low-Latency Cloud VR

   Yuqi Zhou , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2024

   Bib PDF Video

   @article{zhou2024clovr,
     title = {CloVR: Fast-Startup Low-Latency Cloud VR},
     author = {Zhou, Yuqi and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     year = {2024},
     publisher = {IEEE},
     selected = true,
     bibtex_show = true,
   }

4. 

   Meet Me Half Way: Concerted Physical and Virtual World Manipulations for Effective Haptic Feedback in VR

   Yuqi Zhou , and Voicu Popescu

   In 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW) , 2024

   Bib PDF Video

   @inproceedings{zhou2024meet,
     title = {Meet Me Half Way: Concerted Physical and Virtual World Manipulations for Effective Haptic Feedback in VR},
     author = {Zhou, Yuqi and Popescu, Voicu},
     booktitle = {2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW)},
     pages = {42--47},
     year = {2024},
     organization = {IEEE},
     selected = true,
     bibtex_show = true,
   }

5. 

   HyperXRC: Hybrid In-Person+ Remote Extended Reality Classroom-A Design Study

   Siyu Huang , and Voicu Popescu

   In 2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR) , 2024

   Bib PDF Video

   @inproceedings{huang2024hyperxrc,
     title = {HyperXRC: Hybrid In-Person+ Remote Extended Reality Classroom-A Design Study},
     author = {Huang, Siyu and Popescu, Voicu},
     booktitle = {2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR)},
     pages = {609--618},
     year = {2024},
     organization = {IEEE},
     selected = true,
     bibtex_show = true
   }

6. 

   PreVR: Variable-Distance Previews for Higher-Order Disocclusion in VR

   Shuqi Liao , Vetria Byrd , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2024

   Bib PDF Video

   @article{liao2024prevr,
     title = {PreVR: Variable-Distance Previews for Higher-Order Disocclusion in VR},
     author = {Liao, Shuqi and Byrd, Vetria and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     year = {2024},
     publisher = {IEEE},
     selected = true,
     bibtex_show = true,
   }

7. 

   An XR Environment for AI Education: Design and First Implementation

   Yiyin Gu , Miguel Garcia , Yiqun Zhang , Alejandra J Magana , Bedrich Benes , and Voicu Popescu

   In 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW) , 2024

   Bib PDF Video

   @inproceedings{gu2024xr,
     title = {An XR Environment for AI Education: Design and First Implementation},
     author = {Gu, Yiyin and Garcia, Miguel and Zhang, Yiqun and Magana, Alejandra J and Benes, Bedrich and Popescu, Voicu},
     booktitle = {2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW)},
     pages = {157--162},
     year = {2024},
     organization = {IEEE},
     selected = true,
     bibtex_show = true
   }

8. 

   Virtual and Augmented Reality in Science, Technology, Engineering, and Mathematics (STEM) Education: An Umbrella Review

   Yiqun Zhang , Miguel A Feijoo-Garcia , Yiyin Gu , Voicu Popescu , Bedrich Benes , and Alejandra J Magana

   Information, 2024

   Bib PDF

   @article{zhang2024virtual,
     title = {Virtual and Augmented Reality in Science, Technology, Engineering, and Mathematics (STEM) Education: An Umbrella Review},
     author = {Zhang, Yiqun and Feijoo-Garcia, Miguel A and Gu, Yiyin and Popescu, Voicu and Benes, Bedrich and Magana, Alejandra J},
     journal = {Information},
     volume = {15},
     number = {9},
     pages = {515},
     year = {2024},
     publisher = {MDPI},
     bibtex_show = true
   }

9. 

   AVICol: Adaptive Visual Instruction for Remote Collaboration Using Mixed Reality

   Lili Wang , Xiangyu Li , Jian Wu , Dong Zhou , Im Sio Kei , and Voicu Popescu

   International Journal of Human–Computer Interaction, 2024

   Bib

   @article{wang2024avicol,
     title = {AVICol: Adaptive Visual Instruction for Remote Collaboration Using Mixed Reality},
     author = {Wang, Lili and Li, Xiangyu and Wu, Jian and Zhou, Dong and Sio Kei, Im and Popescu, Voicu},
     journal = {International Journal of Human--Computer Interaction},
     pages = {1--20},
     year = {2024},
     publisher = {Taylor \& Francis},
     bibtex_show = true
   }

2023

1. 

   Efficient and Robust From-Point Visibility

   Voicu Popescu , Elisha Sacks , Jian Cui , and Rohan Ashok

   IEEE Transactions on Visualization and Computer Graphics, 2023

   Bib PDF Video

   @article{popescu2023efficient,
     title = {Efficient and Robust From-Point Visibility},
     author = {Popescu, Voicu and Sacks, Elisha and Cui, Jian and Ashok, Rohan},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     year = {2023},
     publisher = {IEEE},
     bibtex_show = true,
   }

2. 

   Dynamic Redirection for VR Haptics with a Handheld Stick

   Yuqi Zhou , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2023

   Bib PDF Video

   @article{zhou2023dynamic,
     title = {Dynamic Redirection for VR Haptics with a Handheld Stick},
     author = {Zhou, Yuqi and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     volume = {29},
     number = {5},
     pages = {2753--2762},
     year = {2023},
     publisher = {IEEE},
     selected = true,
     bibtex_show = true,
   }

3. 

   AR Interfaces for Disocclusion—A Comparative Study

   Shuqi Liao , Yuqi Zhou , and Voicu Popescu

   In 2023 IEEE Conference Virtual Reality and 3D User Interfaces (VR) , 2023

   Bib PDF Video

   @inproceedings{liao2023ar,
     title = {AR Interfaces for Disocclusion—A Comparative Study},
     author = {Liao, Shuqi and Zhou, Yuqi and Popescu, Voicu},
     booktitle = {2023 IEEE Conference Virtual Reality and 3D User Interfaces (VR)},
     pages = {530--540},
     year = {2023},
     organization = {IEEE},
     selected = true,
     bibtex_show = true,
   }

4. 

   Improved Directional Guidance with Transparent AR Displays

   Felix Strobel , and Voicu Popescu

   2023

   Bib PDF Video

   @conference{grapp23,
     author = {Strobel, Felix and Popescu, Voicu},
     title = {Improved Directional Guidance with Transparent AR Displays},
     booktitle = {Proceedings of the 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2023) - Volume 1: GRAPP},
     year = {2023},
     pages = {27-38},
     publisher = {SciTePress},
     organization = {INSTICC},
     doi = {10.5220/0011613200003417},
     isbn = {978-989-758-634-7},
     bibtex_show = true,
   }

5. 

   Towards Immersive Visualization for Large Lectures: Opportunities, Challenges, and Possible Solutions

   Voicu Popescu , Alejandra Magana , and Bedrich Benes

   In The 44th Annual Conference of the European Association for Computer Graphics, Education Track, EG2023 , 2023

   Bib PDF

   @inproceedings{popescu2023towards,
     title = {Towards Immersive Visualization for Large Lectures: Opportunities, Challenges, and Possible Solutions},
     author = {Popescu, Voicu and Magana, Alejandra and Benes, Bedrich},
     booktitle = {The 44th Annual Conference of the European Association for Computer Graphics, Education Track, EG2023},
     year = {2023},
     selected = true,
     bibtex_show = true,
   }

2022

1. 

   Complex Virtual Environments on Thin VR Systems Through Continuous Near-Far Partitioning

   Voicu Popescu , Seung Heon Lee , Andrew Shinyoung Choi , and Sonia Fahmy

   In 2022 IEEE International Symposium on Mixed and Augmented Reality (ISMAR) , 2022

   Bib PDF Video

   @inproceedings{popescu2022complex,
     title = {Complex Virtual Environments on Thin VR Systems Through Continuous Near-Far Partitioning},
     author = {Popescu, Voicu and Lee, Seung Heon and Choi, Andrew Shinyoung and Fahmy, Sonia},
     booktitle = {2022 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)},
     pages = {35--43},
     year = {2022},
     organization = {IEEE},
     selected = true,
     bibtex_show = true,
   }

2. 

   Tapping with a Handheld Stick in VR: Redirection Detection Thresholds for Passive Haptic Feedback

   Yuqi Zhou , and Voicu Popescu

   In 2022 IEEE Conference on Virtual Reality and 3D User Interfaces (VR) , 2022

   Bib PDF Video

   @inproceedings{zhou2022tapping,
     title = {Tapping with a Handheld Stick in VR: Redirection Detection Thresholds for Passive Haptic Feedback},
     author = {Zhou, Yuqi and Popescu, Voicu},
     booktitle = {2022 IEEE Conference on Virtual Reality and 3D User Interfaces (VR)},
     pages = {83--92},
     year = {2022},
     organization = {IEEE},
     selected = true,
     bibtex_show = true,
   }

3. 

   Fast Intra-frame Video Splicing for Occlusion Removal in Diminished Reality

   Chengyuan Lin , and Voicu Popescu

   In International Conference on Virtual Reality and Mixed Reality , 2022

   Bib PDF Video

   @inproceedings{lin2022fast,
     title = {Fast Intra-frame Video Splicing for Occlusion Removal in Diminished Reality},
     author = {Lin, Chengyuan and Popescu, Voicu},
     booktitle = {International Conference on Virtual Reality and Mixed Reality},
     pages = {111--134},
     year = {2022},
     organization = {Springer},
     bibtex_show = true,
   }

2021

1. 

   Quantifiable Fine-grain Occlusion Removal Assistance for Efficient VR Exploration

   Jian Wu , Lili Wang , Hui Zhang , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2021

   Bib PDF Video

   @article{wu2021quantifiable,
     title = {Quantifiable Fine-grain Occlusion Removal Assistance for Efficient VR Exploration},
     author = {Wu, Jian and Wang, Lili and Zhang, Hui and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     volume = {28},
     number = {9},
     pages = {3154--3167},
     year = {2021},
     publisher = {IEEE},
     selected = true,
     bibtex_show = true,
   }

2. 

   Disocclusion Headlight for Selection Assistance in VR

   Lili Wang , Jianjun Chen , Qixiang Ma , and Voicu Popescu

   In 2021 IEEE Virtual Reality and 3D User Interfaces (VR) , 2021

   Bib PDF Video

   @inproceedings{wang2021disocclusion,
     title = {Disocclusion Headlight for Selection Assistance in VR},
     author = {Wang, Lili and Chen, Jianjun and Ma, Qixiang and Popescu, Voicu},
     booktitle = {2021 IEEE Virtual Reality and 3D User Interfaces (VR)},
     pages = {216--225},
     year = {2021},
     organization = {IEEE},
     bibtex_show = true,
   }

3. 

   Robust 360 Video Streaming via Non-linear Sampling

   Mijanur Palash , Voicu Popescu , Amit Sheoran , and Sonia Fahmy

   In IEEE INFOCOM 2021-IEEE Conference on Computer Communications , 2021

   Bib PDF

   @inproceedings{palash2021robust,
     title = {Robust 360 Video Streaming via Non-linear Sampling},
     author = {Palash, Mijanur and Popescu, Voicu and Sheoran, Amit and Fahmy, Sonia},
     booktitle = {IEEE INFOCOM 2021-IEEE Conference on Computer Communications},
     pages = {1--10},
     year = {2021},
     organization = {IEEE},
     bibtex_show = true
   }

4. 

   A Partially-sorted Concentric Layout for Efficient Label Localization in Augmented Reality

   Zijing Zhou , Lili Wang , and Voicu Popescu

   IEEE Transactions on Visualization and Computer Graphics, 2021

   Bib PDF Video

   @article{zhou2021partially,
     title = {A Partially-sorted Concentric Layout for Efficient Label Localization in Augmented Reality},
     author = {Zhou, Zijing and Wang, Lili and Popescu, Voicu},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     volume = {27},
     number = {11},
     pages = {4087--4096},
     year = {2021},
     publisher = {IEEE},
     bibtex_show = true,
   }

5. 

   Alterecho: Loose Avatar-streamer Coupling for Expressive Vtubing

   Man To Tang , Victor Long Zhu , and Voicu Popescu

   In 2021 IEEE International Symposium on Mixed and Augmented Reality (ISMAR) , 2021

   Bib PDF Video

   @inproceedings{tang2021alterecho,
     title = {Alterecho: Loose Avatar-streamer Coupling for Expressive Vtubing},
     author = {Tang, Man To and Zhu, Victor Long and Popescu, Voicu},
     booktitle = {2021 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)},
     pages = {128--137},
     year = {2021},
     organization = {IEEE},
     selected = true,
     bibtex_show = true,
   }