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Dear Colleagues,</div>
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Apologies for cross-posting.</div>
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This is a friendly reminder that submissions are open for the <b>ACM Symposium on Spatial User Interaction (SUI 2026)</b>
<b>Posters</b> and <b>Demos</b> tracks. We are also pleased to announce the <b>Call for Student Volunteers</b>.</div>
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SUI 2026 will take place on <b>October 10–11, 2026 in Bari, Italy</b>, immediately after IEEE ISMAR 2026. SUI is a premier venue for research on spatial user interfaces and interactions, bringing together researchers and practitioners working across virtual,
augmented, and mixed reality, as well as other spatial computing environments. We welcome contributions showcasing work in progress, late-breaking results, novel ideas, systems, prototypes, applications, and interactive demonstrations related to spatial user
interaction.</div>
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<b>Important Dates</b></div>
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<b>Call for Posters</b></div>
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Submission Deadline: <b>July 17, 2026, 23:59 AoE</b></div>
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Notification: <b>July 31, 2026, 23:59 AoE</b></div>
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Camera Ready: <b>August 7, 2026, 23:59 AoE</b></div>
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<b>Call for Demos</b></div>
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Submission Deadline: <b>July 29, 2026, 23:59 AoE</b></div>
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Notification: <b>August 3, 2026, 23:59 AoE</b></div>
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Camera Ready: <b>August 7, 2026, 23:59 AoE</b></div>
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<b>Call for Student Volunteers</b></div>
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Application Deadline: <b>July 27, 2026</b></div>
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Final Notification: <b>July 30, 2026</b></div>
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<b>Conference:</b> <b>October 10–11, 2026</b></div>
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<b>Call for Posters</b><br>
The poster track is an excellent opportunity to present unpublished work, receive feedback, network with experts, and initiate collaborations.</div>
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We invite posters describing work in progress, novel ideas or systems, late-breaking results, and prototypes relevant to spatial interaction for virtual, augmented, mixed reality, as well as pervasive, intelligent/smart, and real environments.</div>
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Poster submissions should include a two-page abstract in the ACM SIG Proceedings format. Poster submissions are not anonymous, and authors are encouraged to submit the abstract in camera-ready format together with an initial poster design draft.</div>
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<b>Call for Demos</b><br>
The demo track invites researchers and practitioners to showcase implementations of novel and compelling interaction concepts, techniques, devices, and systems.</div>
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We particularly encourage highly interactive demos and creative experiences, including novel wearables, web systems, prototype devices, commercial products, XR experiences, and large interactive installations.</div>
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Demo submissions should include a two-page abstract in the ACM SIG Proceedings format, a short walk-through video of up to 2 minutes, and supporting material describing the system, setup, equipment, interaction with the audience, and any specific logistical
needs.</div>
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<b>Topics of Interest</b><br>
We welcome contributions across a broad range of topics, including but not limited to:</div>
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Spatial input devices and technologies</div>
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Intelligent and adaptive spatial interfaces</div>
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Interaction design, UX, and usability</div>
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Perception, cognition, and human factors</div>
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Multimodal and multisensory interaction, e.g., haptics, audio, gesture</div>
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Collaborative and distributed spatial interaction</div>
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Immersive analytics and visualization</div>
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Spatial interaction with avatars, data, and virtual humans</div>
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Inclusion, accessibility, privacy, and ethics</div>
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Applications in gaming, healthcare, education, CAD, and engineering</div>
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Smart spatial computing and GenAI</div>
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Interactive systems, prototypes, installations, and demonstrators</div>
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<b>Call for Student Volunteers</b><br>
SUI 2026 is looking for motivated student volunteers to support the conference on-site in Bari, Italy. Volunteers will assist with registration, attendee support, scientific sessions, poster and demo sessions, and general event logistics. In return, student
volunteers will receive <b>free conference registration</b>, access to the full conference and its social activities, and a significant discount on the gala dinner fee.</div>
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Applicants should be enrolled in an undergraduate, master’s, or doctoral program at the time of the conference, be available to attend SUI 2026 in Bari, and commit approximately
<b>10 to 15 hours</b> of volunteer work before and during the event. No prior experience is required; motivation, reliability, English communication skills, and interest in AR, VR, MR, and spatial interaction are what matter most. We especially encourage members
of underrepresented groups and countries in the community to apply.</div>
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Application form:<br>
<a href="https://forms.gle/guPD9rQiNvQE3NDG8" id="OWAce2d690e-4522-3721-8f5c-f2f02c41298f" class="x_decorated-link x_OWAAutoLink" data-auth="NotApplicable" data-start="1064" data-end="1099">https://forms.gle/guPD9rQiNvQE3NDG8</a></div>
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We look forward to your exciting contributions and to welcoming the SUI community in Bari.</div>
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<span style="color: rgb(0, 0, 0);">For more details, please visit the official SUI 2026 website:<br>
Call for Posters: </span><span style="color: rgb(70, 120, 134);"><a href="https://sui.acm.org/2026/posters/" id="OWA3fdbfa78-9779-5404-05c1-4c84a5624e26" class="x_OWAAutoLink" data-auth="NotApplicable" data-start="5221" data-end="5254" style="color: rgb(70, 120, 134);"><u>https://sui.acm.org/2026/posters/</u></a></span><span style="color: rgb(0, 0, 0);"><br>
Call for Demos: </span><span style="color: rgb(70, 120, 134);"><a href="https://sui.acm.org/2026/demos/" id="OWA87325287-c410-468c-f1a3-6463aba518ac" class="x_OWAAutoLink" data-auth="NotApplicable" data-start="5273" data-end="5304" style="color: rgb(70, 120, 134);"><u>https://sui.acm.org/2026/demos/</u></a></span></div>
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<b>Contacts:</b><br>
Posters: poster@sui.acm.org<br>
Demos: demo@sui.acm.org</div>
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Please feel free to share this call with colleagues and students who may be interested.</div>
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Best regards,</div>
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Marina Ricci and Rumeysa Turkmen<br>
ACM SUI 2026 Publicity Chairs</div>
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