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Negative emotions are linked to the onset of neurodegenerative diseases and dementia, yet they are often difficult to detect through observation. Physiological signals from wearable devices offer a promising noninvasive method for…

Human-Computer Interaction · Computer Science 2025-10-28 Muhammad Irfan , Anum Nawaz , Ayse Kosal Bulbul , Riku Klen , Abdulhamit Subasi , Tomi Westerlund , Wei Chen

Millions of images on the web enable us to explore images from social events such as a family party, thus it is of interest to understand and model the affect exhibited by a group of people in images. But analysis of the affect expressed by…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Xiaohua Huang , Abhinav Dhall , Xin Liu , Guoying Zhao , Jingang Shi , Roland Goecke , Matti Pietikainen

Micro-expressions are brief spontaneous facial expressions that appear on a face when a person conceals an emotion, making them different to normal facial expressions in subtlety and duration. Currently, emotion classes within the CASME II…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

Security is an important topic in our contemporary world, and the ability to automate the detection of any events of interest that can take place in a crowd is of great interest to a population. We hypothesize that the detection of events…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Matheus Schreiner Homrich da Silva , Paulo Brossard de Souza Pinto Neto , Rodolfo Migon Favaretto , Soraia Raupp Musse

Emotion being a subjective thing, leveraging knowledge and science behind labeled data and extracting the components that constitute it, has been a challenging problem in the industry for many years. With the evolution of deep learning in…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Prudhvi Raj Dachapally

Micro-expressions (MEs) are rapid, involuntary facial expressions which reveal emotions that people do not intend to show. Studying MEs is valuable as recognizing them has many important applications, particularly in forensic science and…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Xiaobai Li , Xiaopeng Hong , Antti Moilanen , Xiaohua Huang , Tomas Pfister , Guoying Zhao , Matti Pietikäinen

The antagonistic behavior in the crowd usually exacerbates the seriousness of the situation in sudden riots, where the antagonistic emotional contagion and behavioral decision making play very important roles. However, the complex mechanism…

Machine Learning · Computer Science 2022-04-07 Pei Lv , Qingqing Yu , Boya Xu , Chaochao Li , Bing Zhou , Mingliang Xu

Understanding emotions and expressions is a task of interest across multiple disciplines, especially for improving user experiences. Contrary to the common perception, it has been shown that emotions are not discrete entities but instead…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Niklas Wagner , Felix Mätzler , Samed R. Vossberg , Helen Schneider , Svetlana Pavlitska , J. Marius Zöllner

Emotion prediction plays an essential role in mental health and emotion-aware computing. The complex nature of emotion resulting from its dependency on a person's physiological health, mental state, and his surroundings makes its prediction…

Social and Information Networks · Computer Science 2022-07-14 Maryam Khalid , Akane Sano

The need for automatic and high-quality emotion annotation is paramount in applications such as continuous emotion recognition and video highlight detection, yet achieving this through manual human annotations is challenging. Inspired by…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Guandong Pan , Zhaobang Wu , Yaqian Yang , Xin Wang , Longzhao Liu , Zhiming Zheng , Shaoting Tang

Emotion detection is pivotal in human communication, as it significantly influences behavior, relationships, and decision-making processes. This study concentrates on text-based emotion detection by leveraging the GoEmotions dataset, which…

Computation and Language · Computer Science 2024-11-18 Maliheh Alaeddini

Group-level emotion recognition (GER) is an inseparable part of human behavior analysis, aiming to recognize an overall emotion in a multi-person scene. However, the existing methods are devoted to combing diverse emotion cues while…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Qing Zhu , Qirong Mao , Jialin Zhang , Xiaohua Huang , Wenming Zheng

Social activities often done in groups include watching television or movies. Choosing a film that appeals to the emotional inclinations of a varied group can be tricky. One of the most difficult aspects of making group movie suggestions is…

Information Retrieval · Computer Science 2024-07-23 Elnara Kadyrgali , Adilet Yerkin , Yerdauit Torekhan , Pakizar Shamoi

Emotion recognition using EEG has been widely studied to address the challenges associated with affective computing. Using manual feature extraction methods on EEG signals results in sub-optimal performance by the learning models. With the…

Machine Learning · Computer Science 2022-03-22 Md. Zaved Iqubal Ahmed , Nidul Sinha , Souvik Phadikar , Ebrahim Ghaderpour

Emotion distribution learning has gained increasing attention with the tendency to express emotions through images. As for emotion ambiguity arising from humans' subjectivity, substantial previous methods generally focused on learning…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Peiguang Jing , Xianyi Liu , Ji Wang , Yinwei Wei , Liqiang Nie , Yuting Su

Edge detection is a fundamental technique in various computer vision tasks. Edges are indeed effectively delineated by pixel discontinuity and can offer reliable structural information even in textureless areas. State-of-the-art heavily…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Leng Kai , Zhang Zhijie , Liu Jie , Zed Boukhers , Sui Wei , Cong Yang , Li Zhijun

Emotion recognition,as a step toward mind reading,seeks to infer internal states from external cues.Most existing methods rely on explicit signals-such as facial expressions,speech,or gestures-that reflect only bodily responses and overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Mengke Song , Yuge Xie , Qi Cui , Luming Li , Xinyu Liu , Guotao Wang , Chenglizhao Chen , Shanchen Pang

Various emotions can produce variations in electrocardiograph (ECG) signals, distinct emotions can be distinguished by different changes in ECG signals. This study is about emotion recognition using ECG signals. Data for four emotions,…

Signal Processing · Electrical Eng. & Systems 2022-03-17 Bo Sun , Zihuai Lin

Automatic facial expression recognition is an important research area in the emotion recognition and computer vision. Applications can be found in several domains such as medical treatment, driver fatigue surveillance, sociable robotics,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sevegni Odilon Clement Allognon , Alessandro L. Koerich , Alceu de S. Britto

In this study, the Multivariate Empirical Mode Decomposition (MEMD) is applied to multichannel EEG to obtain scale-aligned intrinsic mode functions (IMFs) as input features for emotion detection. The IMFs capture local signal variation…

Signal Processing · Electrical Eng. & Systems 2022-06-03 Monira Islam , Tan Lee