Early Registration Deadline Extended***************************************ACM ICMI 2021: Registrationhttps://icmi.acm.org/2021/index.php?id=registration18-22 Oct 2021, Montreal, Canada*************************************** It is official, ICMI will be hybrid. We are so excited to hold the meeting inMontreal with an in-person component. We have extended the early registration date until September 27th to give you the opportunity to finalize your travel plan. Please note that Canada is now open for all non-essential travel (https://travel.gc.ca/travel-covid/travel-restrictions/wizard-start). Visit https://icmi.acm.org/2021/index.php?id=registration as soon as possible to register and help us confirm our in-person plans. We are looking forward to seeing everyone in Montreal this October for ICMI-2021! Venue: https://icmi.acm.org/2021/index.php?id=venue What to do in Montreal: https://www.mtl.org/en" Note on registration: - A student registration covers one regular (long or short) paper, whereas a full (non-student) registration covers up to two regular (long or short) papers. - A student or full registration covers auxiliary papers (e.g., Doctoral Consortium, Late Breaking Work, Challenges, Workshop) - The Conference registration covers three main days of conference events (October 19 -21) and two days of co-located workshops, tutorials, challenges, and Doctoral Consortium (October 18 and 22). - The In-Person registration includes coffee breaks on all five days, lunch on the three main conference days, a reception on October 19, and the banquet on October 20. - A workshop-only registration covers only the workshop day. The 23rd ACM International Conference on Multimodal Interaction (ICMI 2021) will be held in Montreal, Canada October 18-22, 2021. ICMI is the premier international forum for multidisciplinary research on multimodal human-human and human-computer interaction, interfaces, and system development. The main conference themes in 2021 will be behavioral health and virtual connectivity, but other major topics of central interest include human communication and multimodal language/dialogue processing, human-robot/agent interaction, affective computing and social interaction, cognitive modeling, multimodal representations and fusion-based architectures, machine learning for multimodal interaction and system applications, speech, gesture, haptics, olfaction, gaze and vision, multimodal datasets and platforms, mobile and ubiquitous interfaces, interfaces for virtual/augmented reality, smart environments, and assistive technologies. ****************************************Anna Esposito, PhD, Full Professor Head of the Behaving Cognitive Systems (BeCogSys) Laboratory, Università della Campania “Luigi Vanvitelli”,Department of Psychology, viale Ellittico 31, 81100, Caserta, and International Institute for Advanced Scientific Studies, Vietri sul Mare (SA), Italyphone: + 39 338 1829988 (mobile)ORCID number: 0000 – 0002 – 7268 – 1795emails: anna.esposito@unicampania.it; iiass.annaesp@tin.it;webpages: https://www.psicologia.unicampania.it/home-becogsy