Bektur Ryskeldiev


Research Fellow


2015-2018 University of Aizu – PhD in Computer Science
2013-2015 University of Aizu – MSc in Computer Science
2008-2012 American University of Central Asia – BA in Software Engineering


Bektur is a research fellow at University of Tsukuba. Originally from Kyrgyzstan, Bektur received MEXT scholarship to pursue Masters degree at University of Aizu, which was later extended into his PhD. He has experience of working in different international teams, including such positions as a visiting researcher at University of Applied Sciences, Düsseldorf, research intern at NTT Laboratories, and various team leading roles at ACM SIGGRAPH.

His awards include, among others, ACM SIGGRAPH 2018 Thesis Fast Forward Program, ACM SIGCHI 18 Doctoral Consortium, ACM SIGGRAPH Turing Award Celebration Grant, MEXT scholarship, and the first place in IoT section at FUKUSHIMA Hackathon (both 2016 and 2017).

Bektur’s research interests include such topics as spatial media, mobile computing, mixed reality, telepresence, empathic computing, and human-computer interaction.

Full CV: link



ACM SIGGRAPH member profile: link

List of publications at Google Scholar: link


Lu JL. et al. (2021) Personalized Navigation that Links Speaker’s Ambiguous Descriptions to Indoor Objects for Low Vision People. In: Antona M., Stephanidis C. (eds) Universal Access in Human-Computer Interaction. Access to Media, Learning and Assistive Environments. HCII 2021. Lecture Notes in Computer Science, vol 12769. Springer, Cham.

Jens Herder, Shinpei Takeda, Kai Vermeegen, Till Davin, Dominique Berners, Bektur Ryskeldiev, Christian Geiger, Ivana Druzetic, and Christian Zimmer. Mixed Reality Art Experiments – Immersive Access to Collective Memories. In Proc. of the Int. Symp. on Electronic Art (ISEA), 2019, pp. 1–9

Hiroki Hasada, Jungian Zhang, Kenta Yamamoto, Bektur Ryskeldiev and Yoichi Ochiai. 2019. Comparing Methods for Instructions of Cookwares on AR Goggles. In HCI International 2019, pp. 127–140. doi: 10.1007/978-3-030-22649-7_11

Jens Herder, Nico Brettschneider, Jeroen De Mooij, and Bektur Ryskeldiev. Avatars for Co-located Collaborations in HMD-based Virtual Environments. In Proc. of IEEE Conf. on Virtual Reality and 3D User Interfaces (IEEE VR), 2019, pp. 968–969. DOI: 10.1109/VR.2019.8798132

Nico Brettschneider, Jens Herder, Jeroen de Mooij, and Bektur Ryskeldiev. Audio vs. Visual Avatars as Guides in Virtual Environments. In Proc. of 21st Int. Conf. on Humans and Computers, 2019, pp. 1–10.

Bektur Ryskeldiev, Toshiharu Igarashi, Junjian Zhang, Yoichi Ochiai, Michael Cohen, and Jens Herder. Spotility: Crowdsourced telepresence for social and collaborative experiences in mobile mixed reality. In ACM CSCW, 2018, pp. 373-376. New York, USA.

Bektur Ryskeldiev, Michael Cohen, Jens Herder, and Yoichi Ochiai. Reactspace: Spatial-aware user interactions for collocated social livestreaming experiences. In IEEE Int. Conf. On Systems, Man, and Cybernetics (SMC), 2018, pp. 724-728 Miyazaki, Japan. https: //

Kenta Yamamoto, Riku Iwasaki, Tatsuya Minagawa, Ryota Kawamura, Bektur Ryskeldiev, and Yoichi Ochiai. 2018. BOLCOF: Base Optimization for middle Layer Completion of 3D-printed Objects without Failure. In Proceedings of SIGGRAPH ’18 Posters. ACM, New York, NY, USA, 2 pages.

Bektur Ryskeldiev, Yoichi Ochiai, Michael Cohen, and Jens Herder. 2018. Distributed Metaverse: Creating Decentralized Blockchain-based Model for Peer-to-peer Sharing of Virtual Spaces for Mixed Reality Applications. In Proceedings of the 9th Augmented Human International Conference (AH ’18). ACM, New York, NY, USA, Article 39, 3 pages. DOI: