8th ABAW

Submission Site

8th Workshop and Competition on


Affective & Behavior Analysis in-the-wild (ABAW)

in conjunction with the IEEE Computer Vision and Pattern Recognition Conference (CVPR), 2025

13:00 - 18:00 CST, June 12th, 2025, Music City Center, Nashville TN, USA

About ABAW

The workshop will spotlight cutting-edge advancements in analyzing, generating, modeling, and understanding human affect and behavior across multiple modalities, including facial expressions, body movements, gestures and speech. A special emphasis is placed on the integration of state-of-the-art systems designed for in-the-wild analysis, enabling research and applications in unconstrained environments.

Human affect and behavior are inherently diverse and complex, producing a wealth of multimodal data that drives innovation in numerous fields. The growing demand for rapid advancements in these domains makes the workshop a timely and essential platform for knowledge exchange and discussion. It provides a unique opportunity to explore the richness of multimodal data and its applications in many areas.

What sets the ABAW Workshop and Competition apart is its focus on fostering interdisciplinary collaboration. By bringing together leading experts and researchers from academia, industry, and government, it bridges disciplines such as mobile and ubiquitous computing, computer vision, pattern recognition, artificial intelligence, machine learning, multimedia, robotics, human-computer interaction, ambient intelligence, and psychology. This diverse convergence of perspectives and expertise ensures that the workshop not only advances the state of the art but also drives practical, impactful applications in analyzing and understanding human behavior. The workshop serves as an unparalleled venue for fostering innovation, encouraging collaboration, and inspiring new directions in research and development.

The ABAW Workshop and Competition is a continuation of the respective events held at CVPR 2024, 2023, 2022 & 2017, ECCV 2024 & 2022, ICCV 2021, FG 2020 (a) & (b).

Organisers

Dimitrios Kollias

Queen Mary University of London, UK d.kollias@qmul.ac.uk

Stefanos Zafeiriou

Imperial College London, UK s.zafeiriou@imperial.ac.uk

Irene Kotsia

Cogitat Ltd, UK irene@cogitat.io

Panagiotis Tzirakis

Hume AI, USA panagiotis@hume.ai

Alan Cowen

Hume AI, USA alan@hume.ai

Eric Granger

École de technologie supérieure, Canada eric.granger@etsmtl.ca

Marco Pedersoli

École de technologie supérieure, Canada marco.pedersoli@etsmtl.ca

Simon Bacon

Concordia University, Canada simon.bacon@concordia.ca

Data Chairs

Alice Baird,                 Hume AI, USA
Chris Gagne,               Hume AI, USA
Chunchang Shao,     Queen Mary University of London, UK
Guanyu Hu,                 Queen Mary University of London, UK & Xi'an Jiaotong University, China
Soufiane Belharbi,     École de technologie supérieure, Canada
M. Haseeb Aslam,     École de technologie supérieure, Canada

The Workshop



Call for Papers

Original high-quality contributions, in terms of databases, surveys, studies, foundation models, techniques and methodologies (either uni-modal or multi-modal; uni-task or multi-task ones) are solicited on -but are not limited to- the following topics:

    facial expression (basic, compound or other) or micro-expression analysis

    facial action unit detection

    valence-arousal estimation

    physiological-based (e.g.,EEG, EDA) affect analysis

    face recognition, detection or tracking

    body recognition, detection or tracking

    gesture recognition or detection

    pose estimation or tracking

    activity recognition or tracking

    lip reading and voice understanding

    face and body characterization (e.g., behavioral understanding)

    characteristic analysis (e.g., gait, age, gender, ethnicity recognition)

    group understanding via social cues (e.g., kinship, non-blood relationships, personality)

    video, action and event understanding

    digital human modeling

    characteristic analysis (e.g., gait, age, gender, ethnicity recognition)

    violence detection

    autonomous driving

    domain adaptation, domain generalisation, few- or zero-shot learning for the above cases

    fairness, explainability, interpretability, trustworthiness, privacy-awareness, bias mitigation and/or subgroup distribution shift analysis for the above cases

    editing, manipulation, image-to-image translation, style mixing, interpolation, inversion and semantic diffusion for all afore mentioned cases



Workshop Important Dates (UPDATED)


Paper Submission Deadline:                                                             23:59:59 AoE (Anywhere on Earth) March 21, 2025

Review decisions sent to authors; Notification of acceptance:       April 4, 2025

Camera ready version:                                                                       April 14, 2025




Submission Information

The paper format should adhere to the paper submission guidelines for main CVPR 2025 proceedings style. Please have a look at the Submission Guidelines Section here.

We welcome full long paper submissions (between 5 and 8 pages, excluding references or supplementary materials; a paper submission should be at least 5 pages long to be considered for publication). All submissions must be anonymous and conform to the CVPR 2025 standards for double-blind review.

All papers should be submitted using this CMT website.

All accepted manuscripts will be part of CVPR 2025 conference proceedings.

At the day of the workshop, oral presentations will be conducted by authors who are attending in-person.





Workshop Contact Information

For any queries you may have regarding the Workshop, please contact d.kollias@qmul.ac.uk.

The Competition



The Competition is a continuation of the respective Competitions held at CVPR in 2024, 2023, 2022 & 2017, at ECCV in 2024 & 2022, at ICCV in 2021 and at IEEE FG in 2020. It is split into the six below mentioned Challenges. Participants are invited to participate in at least one of these Challenges.



How to participate

In order to participate, teams will have to register. There is a maximum number of 8 participants in each team.



VA Estimation, EXPR Recognition and AU Detection Challenges

If you want to participate in any of these three Challenges you should follow the below procedure for registration.

The lead researcher should send an email from their official address (no personal emails will be accepted) to d.kollias@qmul.ac.uk with:

i) subject "8th ABAW Competition: Team Registration";

ii) this EULA (if the team is composed of only academics) or this EULA (if the team has at least one member coming from the industry) filled in, signed and attached;

iii) the lead researcher's official academic/industrial website; the lead researcher cannot be a student (UG/PG/Ph.D.);

iv) the emails of each team member, each one in a separate line in the body of the email;

v) the team's name;

vi) the point of contact name and email address (which member of the team will be the main point of contact for future communications, data access etc)

As a reply, you will receive access to the dataset's cropped/cropped-aligned images and annotations and other important information.



CE Recognition Challenge

If you want to participate in this Challenge you should follow the below procedure for registration.

The lead researcher should send an email from their official address (no personal emails will be accepted) to d.kollias@qmul.ac.uk with:

i) subject "8th ABAW Competition: Team Registration";

ii) this EULA (if the team is composed of only academics) or this EULA (if the team has at least one member coming from the industry) filled in, signed and attached;

iii) the lead researcher's official academic/industrial website; the lead researcher cannot be a student (UG/PG/Ph.D.);

iv) the emails of each team member, each one in a separate line in the body of the email;

v) the team's name;

vi) the point of contact name and email address (which member of the team will be the main point of contact for future communications, data access etc)

As a reply, you will receive access to the dataset's videos and other important information.



EMI Estimation Challenge

If you want to participate in this Challenge please email competitions@hume.ai with the following information:

i) subject "8th ABAW Competition: Team Registration"

ii) name and email for the lead researcher's official academic/industrial website; the lead researcher cannot be a student (UG/PG/Ph.D.)

iii) the names and emails of each team member, each one in separate line in the body of the email

iv) team’s name

iv) the point of contact name and email address (which member of the team will be the main point of contact for future communications, data access etc) the team's name.

A reply to sign an EULA will be sent to all team members. When the EULA is signed by all team members a link to the data will be shared.



AH Recognition Challenge

If you want to participate in this Challenge you should follow the below procedure for registration.

i) fill in and sign this EULA;

ii) fill in this form, and submit it. Please use this form to upload your signed EULA;

iii) both documents must be signed by a person with a full-time faculty position at a university, higher education institution, or equivalent organization. The signee cannot be a student (UG/PG/Ph.D.).

Once both documents are received, we will contact you to provide data access including the raw BAH dataset, cropped-aligned faces at each frame, transcripts with timestamps, frame and video annotation, and documentation.



Competition Contact Information

For any queries you may have regarding the first 4 Challenges (VA Estimation/AU Detection/EXPR Recognition/CE Recognition), please contact d.kollias@qmul.ac.uk.

For any queries you may have regarding the fifth Challenge (EMI Estimation), please contact competitions@hume.ai.

For any queries you may have regarding the sixth Challenge (AH Recognition), please contact soufiane.belharbi.1@etsmtl.net.


General Information

At the end of the Challenges, each team will have to send us:

i) a link to a Github repository where their solution/source code will be stored,

ii) a link to an ArXiv paper with 2-8 pages describing their proposed methodology, data used and results.

Each team will also need to upload their test set predictions on an evaluation server (details will be circulated when the test set is released).

After that, the winner of each Challenge, along with a leaderboard, will be announced.

There will be one winner per Challenge. The top-3 performing teams of each Challenge will have to contribute paper(s) describing their approach, methodology and results to our Workshop; the accepted papers will be part of the CVPR 2025 proceedings. All other teams are also able to submit paper(s) describing their solutions and final results; the accepted papers will be part of the CVPR 2025 proceedings.

The Competition's white paper (describing the Competition, the data, the baselines and results) will be ready at a later stage and will be distributed to the participating teams.



General Rules

1) Participants can contribute to any of the 6 Challenges.

2) In order to take part in any Challenge, participants will have to register as described above.

3) Any face detector whether commercial or academic can be used in the challenge. The paper accompanying the challenge result submission should contain clear details of the detectors/libraries used.

4) The top performing teams will have to share their solution (code, model weights, executables) with the organisers upon completion of the challenge; in this way the organisers will check so as to prevent cheating or violation of rules.



Competition Important Dates (UPDATED)


Call for participation announced, team registration begins, data available:           January 22, 2025

Test set release:                                                                                                             March 10, 2025

Final submission deadline (Predictions, Code and ArXiv paper):                               23:59:59 AoE (Anywhere on Earth) March 15, 2025

Winners Announcement:                                                                                               March 17, 2025

Final Paper Submission Deadline:                                                                                 23:59:59 AoE (Anywhere on Earth) March 21, 2025

Review decisions sent to authors; Notification of acceptance:                                   April 4, 2025

Camera ready version:                                                                                                   April 14, 2025

Valence-Arousal (VA) Estimation Challenge

Database

For this Challenge, an augmented version of the Aff-Wild2 database will be used. This database is audiovisual (A/V), in-the-wild and in total consists of 594 videos of around 3M frames of 584 subjects annotated in terms of valence and arousal.

Rules

Only uni-task solutions will be accepted for this Challenge; this means that the teams should only develop uni-task (valence-arousal estimation task) solutions. Teams are allowed to use any -publicly or not- available pre-trained model (as long as it has not been pre-trained on Aff-Wild2). The pre-trained model can be pre-trained on any task (e.g., VA estimation, Expression Recognition, AU detection, Face Recognition). However when the teams are refining the model and developing the methodology they should not use any other annotations (expressions or AUs): the methodology should be purely uni-task, using only the VA annotations. This means that teams are allowed to use other databases' VA annotations, or generated/synthetic data, or any affine transformations, or in general data augmentation techniques (e.g., MixAugment) for increasing the size of the training dataset.

Performance Assessment

The performance measure (P) is the mean Concordance Correlation Coefficient (CCC) of valence and arousal:

CCCarousal + CCCvalence
2

Baseline Results

The baseline network is a pre-trained on ImageNet ResNet-50 and its performance on the validation set is:

CCCvalence = 0.24,     CCCarousal = 0.20

P = 0.22

Expression (EXPR) Recognition Challenge

Database

For this Challenge, the Aff-Wild2 database will be used. This database is audiovisual (A/V), in-the-wild and in total consists of 548 videos of around 2.7M frames that are annotated in terms of the 6 basic expressions (i.e., anger, disgust, fear, happiness, sadness, surprise), plus the neutral state, plus a category 'other' that denotes expressions/affective states other than the 6 basic ones.

Rules

Only uni-task solutions will be accepted for this Challenge; this means that the teams should only develop uni-task (expression recognition task) solutions. Teams are allowed to use any -publicly or not- available pre-trained model (as long as it has not been pre-trained on Aff-Wild2). The pre-trained model can be pre-trained on any task (e.g., VA estimation, Expression Recognition, AU detection, Face Recognition). However when the teams are refining the model and developing the methodology you should not use any other annotations (VA or AUs): the methodology should be purely uni-task, using only the EXPR annotations. This means that teams are allowed to use other databases' EXPR annotations, or generated/synthetic data (e.g. the data provided in the ECCV 2022 run of the ABAW Challenge), or any affine transformations, or in general data augmentation techniques (e.g., MixAugment) for increasing the size of the training dataset.

Performance Assessment

The performance measure (P) is the average F1 Score across all 8 categories:   ∑ F1/8

Baseline Results

The baseline network is a pre-trained VGGFACE (with fixed convolutional weights and with MixAugment data augmentation technique) and its performance on the validation set is:

P = 0.25

Action Unit (AU) Detection Challenge

Database

For this Challenge, the Aff-Wild2 database will be used. This database is audiovisual (A/V), in-the-wild and in total consists of 547 videos of around 2.7M frames that are annotated in terms of 12 action units, namely AU1,AU2,AU4,AU6,AU7,AU10,AU12,AU15,AU23,AU24,AU25,AU26.

Rules

Only uni-task solutions will be accepted for this Challenge; this means that the teams should only develop uni-task (action unit detection task) solutions. Teams are allowed to use any -publicly or not- available pre-trained model (as long as it has not been pre-trained on Aff-Wild2). The pre-trained model can be pre-trained on any task (e.g., VA estimation, Expression Recognition, AU detection, Face Recognition). However when the teams are refining the model and developing the methodology you should not use any other annotations (VA or EXPR): the methodology should be purely uni-task, using only the AU annotations. This means that teams are allowed to use other databases' AU annotations, or generated/synthetic data, or any affine transformations, or in general data augmentation techniques (e.g., MixAugment) for increasing the size of the training dataset.

Performance Assessment

The performance measure (P) is the average F1 Score across all 12 categories:   ∑ F1/12

Baseline Results

The baseline network is a pre-trained VGGFACE (with fixed convolutional weights) and its performance on the validation set is:

P = 0.39

Compound Expression (CE) Recognition Challenge

Database

For this Challenge, a part of C-EXPR-DB database will be used (56 videos in total). C-EXPR-DB is audiovisual (A/V) in-the-wild database and in total consists of 400 videos of around 200K frames; each frame is annotated in terms of 12 compound expressions. For this Challenge, the following 7 compound expressions will be considered: Fearfully Surprised, Happily Surprised, Sadly Surprised, Disgustedly Surprised, Angrily Surprised, Sadly Fearful and Sadly Angry.

Goal of the Challenge and Rules

Participants will be provided with a part of C-EXPR-DB database (56 videos in total), which will be unannotated, and will be required to develop their methodologies (supervised/self-supervised, domain adaptation, zero-/few-shot learning etc) for recognising the 7 compound expressions in this unannotated part, in a per-frame basis.

Teams are allowed to use any -publicly or not- available pre-trained model and any -publicly or not- available database (that contains any annotations, e.g. VA, basic or compound expressions, AUs)

Performance Assessment

The performance measure (P) is the average F1 Score across all 7 categories:   ∑ F1/7

Emotional Mimicry Intensity (EMI) Estimation Challenge

Database

For this Challenge, the multimodal Hume-Vidmimic2 dataset is used which consists of more than 15,000 videos totaling over 25 hours. In this dataset, every participant was tasked with imitating a 'seed' video that showcased an individual displaying a particular emotion. Following the mimicry, they were then asked to assess the emotional intensity of the seed video by selecting from a range of predefined emotional categories. The following emotion dimensions are targeted: 'Admiration', 'Amusement', 'Determination', 'Empathic Pain', 'Excitement', and 'Joy'. A normalized score from 0 to 1 is provided as a ground truth value.

Performance Assessment

The performance measure is the average Pearson's correlation (ρ) across the 6 emotion dimensions:   ∑ ρ/6

Baseline Results

We established baseline results using two different feature sets.

First, we employed pre-trained Vision Transformer (ViT) features, which were further processed through a three-layer Gated Recurrent Unit (GRU) network. This approach achieved a performance score of: 0.09.

Secondly, we utilized features extracted from Wav2Vec2, combined with a linear processing layer, which resulted in a performance score of: 0.24.

Additionally, we explored a multimodal approach by averaging the predictions from both unimodal methods, leading to a combined performance score of: 0.25.

Ambivalence/Hesitancy (AH) Recognition Challenge

Database

For this Challenge, the BAH (Behavioural Ambivalence/Hesitancy) dataset will be used for the recognition of ambivalence and hesitancy from Q&A videos captured for behaviour analysis. This dataset is designed to detect conflicting affect and intentions around behavioural change intervention. It has been collected by asking subjects across Canada a series of 7 questions that were designed to incite neutral, positive, negative, ambivalent, willing, resistant, or hesitant emotions about their behaviours. Subjects recorded themselves answering each question. In this challenge, experts in behavioural science collected up to 7 videos from 124 subjects. The test set consists of videos from 40 randomly selected subjects. The training and validation sets include the remaining 84 subjects, encompassing 431 videos with a total duration of 3.4 hours and approximately 295,500 frames. The videos were labeled at frame level to indicate the presence (1) or absence (0) of ambivalence/hesitancy. The design of the questions and annotations are performed by a team of behavioural scientists.

Goal of the Challenge and Rules

Participants in this Challenge will have access to the training and validation videos of the 84 subjects. In terms of training annotation, we provide frame-based annotation for each video as 0 or 1 for the absence or presence of ambivalence and hesitancy. Participants in this challenge are required to develop their recognition method using their learning setup choice to predict per-frame ambivalence/hesitancy in a video: supervised/self-supervised, domain adaptation, zero-/few-shot learning, etc.

Teams are allowed to use any publicly available or non-available pre-trained model and any public or non-available database (that contains any type of annotations, e.g. valence/arousal, basic or compound expressions, action units).

Performance Assessment

The performance measure (P) is the weighted F1 score (at frame level) across both classes (presence and absence of ambivalence/hesitancy).

Baseline Results

The baseline network is a multimodal model that includes visual, audio, and transcript following the feature-based approach here. Its performance on the default validation set is: P = 0.70.

Leaderboards


Valence-Arousal Estimation Challenge:


In total, 75 Teams participated in the VA Estimation Challenge. 40 Teams submitted their results. 26 Teams made invalid (incomplete) submissions, whilst surpassing the baseline. 7 Teams scored lower than the baseline. 7 Teams scored higher than the baseline and made valid submissions.

The winner of this Challenge is team USTC-IAT-United.
The runner-up is team DeepAVER CRIM
In the third place is team CtyunAI.


Expression Recognition Challenge:


In total, 65 Teams participated in the Expression Recognition Challenge. 30 Teams submitted their results. 20 Teams made invalid (incomplete) submissions, whilst surpassing the baseline. 5 Teams scored lower than the baseline. 5 Teams scored higher than the baseline and made valid submissions.

The winner of this Challenge is team HSEmotion.
The runner-up is team CtyunAI.
In the third place is team USTC-IAT-United.


Action Unit Detection Challenge:


In total, 60 Teams participated in the Action Unit Detection Challenge. 27 Teams submitted their results. 18 Teams made invalid (incomplete) submissions, whilst surpassing the baseline. 4 Teams scored lower than the baseline. 5 Teams scored higher than the baseline and made valid submissions.

The winner of this Challenge is team USTC-IAT-United.
The runner-up is team CtyunAI.
In the third place is team HSEmotion.


Compound Expression Recognition Challenge:


In total, 25 Teams participated in the Compound Expression Recognition Challenge. 7 Teams submitted their results. 5 Teams made invalid (incomplete) submissions. 2 Teams made valid submissions.

The winner of this Challenge is team USTC-IAT-United.
The runner-up is team CAS-MAIS.


Emotional Mimicry Intensity Estimation Challenge:


In total, 6 Teams participated in the Emotional Mimicry Intensity Estimation Challenge. 4 Teams scored higher than the baseline and made valid submissions.

The winner of this Challenge is team HCAI-VIS.
The runner-up is team USTC-IAT-United.
In the third place is team HSEmotion.


Ambivalence/Hesitancy Recognition Challenge:


In total, 9 Teams participated in the Ambivalence/Hesitancy Recognition Challenge. 2 Teams scored higher than the baseline and made valid submissions.

The winner of this Challenge is team HSEmotion.
The runner-up is team HCAI-VIS.



The leaderboards for the Challenges can be found below:

CVPR2025 8th ABAW Leaderboard (Challenges 1-4 and 6)
CVPR2025 8th ABAW Leaderboard (5th Challenge)

Congratulations to all teams, winning and non-winning ones! Thank you very much for participating in our Competition.
All teams are invited to submit their methodologies-papers (please see Submission Information section above). All accepted papers will be part of the IEEE CVPR 2025 proceedings.
We are looking forward to receiving your submissions!

References


If you use the above data, you must cite all following papers:

    D. Kollias, et. al.: "Advancements in Affective and Behavior Analysis: The 8th ABAW Workshop and Competition", 2024

    @article{Kollias2025, author = "Dimitrios Kollias and Panagiotis Tzirakis and Alan S. Cowen and Stefanos Zafeiriou and Irene Kotsia and Eric Granger and Marco Pedersoli and Simon L. Bacon and Alice Baird and Chris Gagne and Chunchang Shao and Guanyu Hu and Soufiane Belharbi and Muhammad Haseeb Aslam", title = "{Advancements in Affective and Behavior Analysis: The 8th ABAW Workshop and Competition}", year = "2025", month = "3", url = "https://figshare.com/articles/preprint/CVPR_2025_ABAW8_baseline_paper_arxiv_pdf/28524563", doi = "10.6084/m9.figshare.28524563.v4"}

    @article{kolliasadvancements, title={Advancements in Affective and Behavior Analysis: The 8th ABAW Workshop and Competition}, author={Kollias, Dimitrios and Tzirakis, Panagiotis and Cowen, Alan and Kotsia, Irene and Cogitat, UK and Granger, Eric and Pedersoli, Marco and Bacon, Simon and Baird, Alice and Shao, Chunchang and others}}

    D. Kollias, et. al.: "7th abaw competition: Multi-task learning and compound expression recognition", 2024

    @article{kollias20247th,title={7th abaw competition: Multi-task learning and compound expression recognition},author={Kollias, Dimitrios and Zafeiriou, Stefanos and Kotsia, Irene and Dhall, Abhinav and Ghosh, Shreya and Shao, Chunchang and Hu, Guanyu},journal={arXiv preprint arXiv:2407.03835},year={2024}}

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    @article{kollias2019expression, title={Expression, Affect, Action Unit Recognition: Aff-Wild2, Multi-Task Learning and ArcFace}, author={Kollias, Dimitrios and Zafeiriou, Stefanos}, journal={arXiv preprint arXiv:1910.04855}, year={2019}}

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    @article{kollias2019deep, title={Deep affect prediction in-the-wild: Aff-wild database and challenge, deep architectures, and beyond}, author={Kollias, Dimitrios and Tzirakis, Panagiotis and Nicolaou, Mihalis A and Papaioannou, Athanasios and Zhao, Guoying and Schuller, Bj{\"o}rn and Kotsia, Irene and Zafeiriou, Stefanos}, journal={International Journal of Computer Vision}, pages={1--23}, year={2019}, publisher={Springer} }

    D. Kollias, et at.: "Face Behavior a la carte: Expressions, Affect and Action Units in a Single Network", 2019

    @article{kollias2019face,title={Face Behavior a la carte: Expressions, Affect and Action Units in a Single Network}, author={Kollias, Dimitrios and Sharmanska, Viktoriia and Zafeiriou, Stefanos}, journal={arXiv preprint arXiv:1910.11111}, year={2019}}

    S. Zafeiriou, et. al. "Aff-Wild: Valence and Arousal in-the-wild Challenge". IEEE CVPR, 2017

    @inproceedings{zafeiriou2017aff, title={Aff-wild: Valence and arousal ‘in-the-wild’challenge}, author={Zafeiriou, Stefanos and Kollias, Dimitrios and Nicolaou, Mihalis A and Papaioannou, Athanasios and Zhao, Guoying and Kotsia, Irene}, booktitle={Computer Vision and Pattern Recognition Workshops (CVPRW), 2017 IEEE Conference on}, pages={1980--1987}, year={2017}, organization={IEEE} }

Sponsors


The Affective Behavior Analysis in-the-wild Workshop and Competition has been generously supported by:

    Queen Mary University of London

    QMUL

    Imperial College London

    ICL

    Hume AI

    HUME

    École de technologie supérieure

    ETS

    Concordia University

    CON