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<span style="font-family: Arial; font-size: 11pt; background-color: rgb(255, 255, 255);">CALL FOR PARTICIPATION: </span></p>
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<span style="background-color: rgb(255, 255, 255); font-family: Arial; font-size: 11pt;">REACT 2023 Challenge: Multiple Appropriate Facial Reaction Generation in Dyadic Interactions (REACT2023)</span></p>
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<span style="font-family: Arial; font-size: 11pt; font-weight: 400; background-color: rgb(255, 255, 255);">The first “Multiple Appropriate Facial Reaction Generation in Dyadic Interactions” challenge (REACT2023) to be held in conjunction with the ACM Multimedia
(ACM-MM) 2023 in Ottawa, Canada, is calling for contributions in the form of papers and competition in the challenge. The competition will be using the NoXI, RECOLA, and UDIVA datasets which contain audio-video clip data of participants engaged in dyadic
interactions. The challenge consists of two main tasks:</span><br>
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<span style="text-decoration:none" class="ContentPasted0">Task 1 - Offline Appropriate Facial Reaction Generation</span></p>
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<span style="text-decoration:none" class="ContentPasted0">Task 2 - Online Appropriate Facial Reaction Generation</span></p>
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<span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Participants are invited to participate in one or both sub-challenges. For more information about the challenge, check our
website <a href="https://sites.google.com/cam.ac.uk/react2023/home" title="https://sites.google.com/cam.ac.uk/react2023/home" id="LPNoLPOWALinkPreview">
https://sites.google.com/cam.ac.uk/react2023/home</a></span><span style="font-family: Arial; font-size: 11pt; font-weight: 400; background-color: rgb(255, 255, 255);">. To register and access the challenge data, please fill the registration form you will find
on the website and feel free to contact us by email: reactmultimodalchallenge@gmail.com. For each task, training and validation data will be made available to participants. At the end of the competition, participants will be required to submit their trained
models (in the form of working code) via the CodaLab platform. All submissions will be evaluated on a held-out test dataset to ensure a fair comparison. Participants will also be encouraged to submit a conference-style paper describing their proposed approach
for tackling the challenge task(s) as well as the results obtained. </span></p>
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<span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400;" class="ContentPasted0"><u>Challenge timeline is as follows:</u></span></p>
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<span style="text-decoration:none" class="ContentPasted0">Registration opening: April 3, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Training and development sets available: April 10, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Baseline paper available: May 22, 2023</span></p>
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<span style="text-decoration:none" class="ContentPasted0">Test sets available: June 12, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Final results submission: June 30, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Paper submission deadline: July 14, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Notification of acceptance: July 21, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Camera ready paper: August 6, 2023 </span></p>
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<span style="text-decoration:none" class="ContentPasted0">Workshop: October 29, 2023 (TBD)</span></p>
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<span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400;" class="ContentPasted0"><u>The Organisers</u></span></p>
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<span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Dr Micol Spitale*, University of Cambridge, Cambridge, United Kingdom,</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Dr Siyang Song*, University of Leicester & University of Cambridge, United Kingdom</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Cristina Palmero, Universitat de Barcelona, Barcelona, Spain</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Prof Sergio Escalera, Universitat de Barcelona, Barcelona, Spain</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Prof Michel Valstar, University of Nottingham, Nottingham, United Kingdom</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Dr Tobias Baur, University of Augsburg, Augsburg, Germany</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Dr Fabien Ringeval, Université Grenoble Alpes, Grenoble, France</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Prof Elisabeth Andrè, University of Augsburg, Augsburg, Germany</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;"><br class="ContentPasted0">
</span><span style="font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); font-weight: 400; text-decoration: none;" class="ContentPasted0">Prof Hatice Gunes, University of Cambridge, Cambridge, United Kingdom</span></p>
<span style="font-weight: 400; font-size: 11pt; font-family: Arial; color: rgb(0, 0, 0); text-decoration: none;" class="ContentPasted0">Contact us via email:
</span><span style="font-weight: 400; font-size: 11pt; font-family: Arial; color: rgb(0, 102, 56); text-decoration: underline; text-decoration-skip-ink: none;" class="ContentPasted0">reactmultimodalchallenge@gmail.com</span><span style="font-weight: 400; font-size: 11pt; font-family: Arial; color: rgb(33, 33, 33); text-decoration: none;" class="ContentPasted0"> </span></b><br>
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