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The detection of emotions using an Electroencephalogram (EEG) is a crucial area in brain-computer interfaces and has valuable applications in fields such as rehabilitation and medicine. In this study, we employed transfer learning to…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Sidharth Sidharth , Ashish Abraham Samuel , Ranjana H , Jerrin Thomas Panachakel , Sana Parveen K

We introduce a new family of graphical models that consists of graphs with possibly directed, undirected and bidirected edges but without directed cycles. We show that these models are suitable for representing causal models with additive…

Machine Learning · Statistics 2017-05-30 Jose M. Peña , Marcus Bendtsen

Bayesian networks, with structure given by a directed acyclic graph (DAG), are a popular class of graphical models. However, learning Bayesian networks from discrete or categorical data is particularly challenging, due to the large…

Methodology · Statistics 2018-02-06 Jiaying Gu , Fei Fu , Qing Zhou

Affective computing plays a key role in human-computer interactions, entertainment, teaching, safe driving, and multimedia integration. Major breakthroughs have been made recently in the areas of affective computing (i.e., emotion…

Multimedia · Computer Science 2022-03-22 Yan Wang , Wei Song , Wei Tao , Antonio Liotta , Dawei Yang , Xinlei Li , Shuyong Gao , Yixuan Sun , Weifeng Ge , Wei Zhang , Wenqiang Zhang

Graphs are a natural representation of brain activity derived from functional magnetic imaging (fMRI) data. It is well known that clusters of anatomical brain regions, known as functional connectivity networks (FCNs), encode temporal…

Machine Learning · Computer Science 2023-01-30 Alexander Campbell , Simeon Spasov , Nicola Toschi , Pietro Lio

Emotion recognition is a critical component of affective computing. Training accurate machine learning models for emotion recognition typically requires a large amount of labeled data. Due to the subtleness and complexity of emotions,…

Machine Learning · Computer Science 2024-12-03 Yifan Xu , Xue Jiang , Dongrui Wu

Emotion recognition is a key attribute for artificial intelligence systems that need to naturally interact with humans. However, the task definition is still an open problem due to the inherent ambiguity of emotions. In this paper, a novel…

Computation and Language · Computer Science 2024-04-02 Wen Wu , Chao Zhang , Xixin Wu , Philip C. Woodland

In this paper, we propose a self-attentive bidirectional long short-term memory (SA-BiLSTM) network to predict multiple emotions for the EmotionX challenge. The BiLSTM exhibits the power of modeling the word dependencies, and extracting the…

Computation and Language · Computer Science 2018-06-21 Linkai Luo , Haiqing Yang , Francis Y. L. Chin

One of the most important study areas in affective computing is emotion identification using EEG data. In this study, the Gated Recurrent Unit (GRU) algorithm, which is a type of Recurrent Neural Networks (RNNs), is tested to see if it can…

Signal Processing · Electrical Eng. & Systems 2023-08-08 Sarthak Johari , Gowri Namratha Meedinti , Radhakrishnan Delhibabu , Deepak Joshi

This paper presents a novel approach to the facial expression generation problem. Building upon the assumption of the psychological community that emotion is intrinsically continuous, we first design our own continuous emotion…

Neural and Evolutionary Computing · Computer Science 2018-11-01 Valentin Vielzeuf , Corentin Kervadec , Stéphane Pateux , Frédéric Jurie

Bayesian causal discovery offers the power to quantify epistemic uncertainties among a broad range of structurally diverse causal theories potentially explaining the data, represented in forms of directed acyclic graphs (DAGs). However,…

Machine Learning · Computer Science 2024-08-30 Nu Hoang , Bao Duong , Thin Nguyen

Causal discovery and causal reasoning are classically treated as separate and consecutive tasks: one first infers the causal graph, and then uses it to estimate causal effects of interventions. However, such a two-stage approach is…

Machine Learning · Computer Science 2022-10-18 Christian Toth , Lars Lorch , Christian Knoll , Andreas Krause , Franz Pernkopf , Robert Peharz , Julius von Kügelgen

Using deep learning methods to classify EEG signals can accurately identify people's emotions. However, existing studies have rarely considered the application of the information in another domain's representations to feature selection in…

Signal Processing · Electrical Eng. & Systems 2023-03-22 Kexin Zhu , Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

Affective Computing (AC) is essential for advancing Artificial General Intelligence (AGI), with emotion recognition serving as a key component. However, human emotions are inherently dynamic, influenced not only by an individual's…

Computation and Language · Computer Science 2025-03-31 Yupei Li , Qiyang Sun , Sunil Munthumoduku Krishna Murthy , Emran Alturki , Björn W. Schuller

Patterns of brain activity are associated with different brain processes and can be used to identify different brain states and make behavioral predictions. However, the relevant features are not readily apparent and accessible. To mine…

Emotion recognition based on Electroencephalography (EEG) has gained significant attention and diversified development in fields such as neural signal processing and affective computing. However, the unique brain anatomy of individuals…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Yihang Dong , Xuhang Chen , Yanyan Shen , Michael Kwok-Po Ng , Tao Qian , Shuqiang Wang

For speech emotion datasets, it has been difficult to acquire large quantities of reliable data and acted emotions may be over the top compared to less expressive emotions displayed in everyday life. Lately, larger datasets with natural…

Computation and Language · Computer Science 2022-07-06 Rosanna Milner , Md Asif Jalal , Raymond W. M. Ng , Thomas Hain

Emotion recognition from physiological signals remains challenging due to their non-stationary, noisy, and subject-dependent characteristics. This work presents, to the best of our knowledge, the first comprehensive application of liquid…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Anindya Bhattacharjee , Nittya Ananda Biswas , K. A. Shahriar , Adib Rahman

Emotion recognition in social situations is a complex task that requires integrating information from both facial expressions and the situational context. While traditional approaches to automatic emotion recognition have focused on…

Human-Computer Interaction · Computer Science 2024-08-05 Bin Han , Cleo Yau , Su Lei , Jonathan Gratch

Neurofeedback is a non-invasive brain training with long-term medical and non-medical applications. Despite the existence of several emotion regulation studies using neurofeedback, further investigation is needed to understand interactions…

Neurons and Cognition · Quantitative Biology 2020-06-19 Amin Dehghani , Hamid Soltanian-Zadeh , Gholam-Ali Hossein-Zadeh