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Facial expression recognition (FER) is an important research topic in emotional artificial intelligence. In recent decades, researchers have made remarkable progress. However, current FER paradigms face challenges in generalization, lack…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Bohao Xing , Zitong Yu , Xin Liu , Kaishen Yuan , Qilang Ye , Weicheng Xie , Huanjing Yue , Jingyu Yang , Heikki Kälviäinen

Simulating facial appearance change following bony movement is a critical step in orthognathic surgical planning for patients with jaw deformities. Conventional biomechanics-based methods such as the finite-element method (FEM) are labor…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Xi Fang , Daeseung Kim , Xuanang Xu , Tianshu Kuang , Hannah H. Deng , Joshua C. Barber , Nathan Lampen , Jaime Gateno , Michael A. K. Liebschner , James J. Xia , Pingkun Yan

Automated emotion recognition in speech is a long-standing problem. While early work on emotion recognition relied on hand-crafted features and simple classifiers, the field has now embraced end-to-end feature learning and classification…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-10 Ravi Shankar , Abdouh Harouna Kenfack , Arjun Somayazulu , Archana Venkataraman

Affect (emotion) recognition has gained significant attention from researchers in the past decade. Emotion-aware computer systems and devices have many applications ranging from interactive robots, intelligent online tutor to emotion based…

Human-Computer Interaction · Computer Science 2016-07-12 Amol Patwardhan , Gerald Knapp

Recent advancements in EEG-based emotion recognition have shown promising outcomes using both deep learning and classical machine learning approaches; however, most existing studies focus narrowly on binary valence prediction or…

Machine Learning · Computer Science 2025-09-01 Abdul Rehman , Ilona Heldal , Jerry Chun-Wei Lin

In the context of artificial intelligence, the inherent human attribute of engaging in logical reasoning to facilitate decision-making is mirrored by the concept of explainability, which pertains to the ability of a model to provide a clear…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Francesco Di Luzio , Antonello Rosato , Massimo Panella

Facial expressions vary from person to person, and the brightness, contrast, and resolution of every random image are different. This is why recognizing facial expressions is very difficult. This article proposes an efficient system for…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Faisal Ghaffar

The significance of emotion detection is increasing in education, entertainment, and various other domains. We are developing a system that can identify and transform facial expressions into emojis to provide immediate feedback.The project…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Abhilash Khuntia , Shubham Kale

Today, we are seeing an ever-increasing number of clinical notes that contain clinical results, images, and textual descriptions of patient's health state. All these data can be analyzed and employed to cater novel services that can help…

Computation and Language · Computer Science 2021-06-10 Danilo Dessi , Rim Helaoui , Vivek Kumar , Diego Reforgiato Recupero , Daniele Riboni

Individual's general well-being is greatly impacted by mental health conditions including depression and Post-Traumatic Stress Disorder (PTSD), underscoring the importance of early detection and precise diagnosis in order to facilitate…

Machine Learning · Computer Science 2025-02-07 Himanshi Singh , Sadhana Tiwari , Sonali Agarwal , Ritesh Chandra , Sanjay Kumar Sonbhadra , Vrijendra Singh

The spatial correlations and the temporal contexts are indispensable in Electroencephalogram (EEG)-based emotion recognition. However, the learning of complex spatial correlations among several channels is a challenging problem. Besides,…

Signal Processing · Electrical Eng. & Systems 2022-11-23 Yiheng Tang , Yongxiong Wang , Xiaoli Zhang , Zhe Wang

Affective computing faces a major challenge: the lack of high-quality, diverse depth facial datasets for recognizing subtle emotional expressions. We propose a framework for synthetic depth face generation using an optimized GAN with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Seyed Muhammad Hossein Mousavi , S. Younes Mirinezhad

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

Emotion recognition is a core research area at the intersection of artificial intelligence and human communication analysis. It is a significant technical challenge since humans display their emotions through complex idiosyncratic…

Human-Computer Interaction · Computer Science 2018-09-14 Paul Pu Liang , Amir Zadeh , Louis-Philippe Morency

Convolutional neural networks (CNNs) can automatically learn data patterns to express face images for facial expression recognition (FER). However, they may ignore effect of facial segmentation of FER. In this paper, we propose a perception…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Chunwei Tian , Jingyuan Xie , Lingjun Li , Wangmeng Zuo , Yanning Zhang , David Zhang

In this paper, we propose a computational efficient end-to-end training deep neural network (CEDNN) model and spatial attention maps based on difference images. Firstly, the difference image is generated by image processing. Then five…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

Human emotions analysis has been the focus of many studies, especially in the field of Affective Computing, and is important for many applications, e.g. human-computer intelligent interaction, stress analysis, interactive games, animations,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Mohammad Rami Koujan , Luma Alharbawee , Giorgos Giannakakis , Nicolas Pugeault , Anastasios Roussos

The human face constantly conveys information, both consciously and subconsciously. However, as basic as it is for humans to visually interpret this information, it is quite a big challenge for machines. Conventional semantic facial feature…

Machine Learning · Computer Science 2016-10-21 Amogh Gudi

The human face conveys a significant amount of information. Through facial expressions, the face is able to communicate numerous sentiments without the need for verbalisation. Visual emotion recognition has been extensively studied.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Liam Schoneveld , Alice Othmani

This paper tackles the challenging problem of estimating the intensity of Facial Action Units with few labeled images. Contrary to previous works, our method does not require to manually select key frames, and produces state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Enrique Sanchez , Adrian Bulat , Anestis Zaganidis , Georgios Tzimiropoulos