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Research in emotion analysis is scattered across different label formats (e.g., polarity types, basic emotion categories, and affective dimensions), linguistic levels (word vs. sentence vs. discourse), and, of course, (few well-resourced…

Computation and Language · Computer Science 2021-11-09 Sven Buechel , Luise Modersohn , Udo Hahn

The quantification of emotional states is an important step to understanding wellbeing. Time series data from multiple modalities such as physiological and motion sensor data have proven to be integral for measuring and quantifying…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Kieran Woodward , Eiman Kanjo , Athanasios Tsanas

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

Previous studies have demonstrated that emotional features from a single acoustic sentiment label can enhance depression diagnosis accuracy. Additionally, according to the Emotion Context-Insensitivity theory and our pilot study,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Rongfeng Su , Changqing Xu , Xinyi Wu , Feng Xu , Xie Chen , Lan Wangt , Nan Yan

In the recent past, psychological stress has been increasingly observed in humans, and early detection is crucial to prevent health risks. Stress detection using on-device deep learning algorithms has been on the rise owing to advancements…

Machine Learning · Computer Science 2020-12-07 Abhijith Ragav , Gautham Krishna Gudur

Active learning can be defined as iterations of data labeling, model training, and data acquisition, until sufficient labels are acquired. A traditional view of data acquisition is that, through iterations, knowledge from human labels and…

Machine Learning · Computer Science 2022-01-28 Beong-woo Kwak , Youngwook Kim , Yu Jin Kim , Seung-won Hwang , Jinyoung Yeo

Active Learning (AL) has the potential to solve a major problem of digital pathology: the efficient acquisition of labeled data for machine learning algorithms. However, existing AL methods often struggle in realistic settings with…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Arne Schmidt , Pablo Morales-Álvarez , Lee A. D. Cooper , Lee A. Newberg , Andinet Enquobahrie , Aggelos K. Katsaggelos , Rafael Molina

Sentiment classification typically relies on a large amount of labeled data. In practice, the availability of labels is highly imbalanced among different languages, e.g., more English texts are labeled than texts in any other languages,…

Information Retrieval · Computer Science 2019-03-26 Zhenpeng Chen , Sheng Shen , Ziniu Hu , Xuan Lu , Qiaozhu Mei , Xuanzhe Liu

Deep learning approaches achieve state-of-the-art performance for classifying radiology images, but rely on large labelled datasets that require resource-intensive annotation by specialists. Both semi-supervised learning and active learning…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Shafa Balaram , Cuong M. Nguyen , Ashraf Kassim , Pavitra Krishnaswamy

Sensor-based human activity recognition has become a critical component of many emerging applications ranging from behavioral medicine to gaming. However, an unprecedented increase in the diversity of sensor devices in the…

Machine Learning · Computer Science 2020-03-18 Parastoo Alinia , Iman Mirzadeh , Hassan Ghasemzadeh

Task-specific pre-training is essential when task representations diverge from generic pre-training features. Existing task-general pre-training EEG models struggle with complex tasks like emotion recognition due to mismatches between…

Machine Learning · Computer Science 2025-10-28 Qingzhu Zhang , Jiani Zhong , Zongsheng Li , Xinke Shen , Quanying Liu

Deep neural models have hitherto achieved significant performances on numerous classification tasks, but meanwhile require sufficient manually annotated data. Since it is extremely time-consuming and expensive to annotate adequate data for…

Machine Learning · Computer Science 2022-05-05 Yinghui Li , Ruiyang Liu , ZiHao Zhang , Ning Ding , Ying Shen , Linmi Tao , Hai-Tao Zheng

Real-world application requires affect perception models to be sensitive to individual differences in expression. As each user is different and expresses differently, these models need to personalise towards each individual to adequately…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Nikhil Churamani

In this study, we focus on continuous emotion recognition using body motion and speech signals to estimate Activation, Valence, and Dominance (AVD) attributes. Semi-End-To-End network architecture is proposed where both extracted features…

Human-Computer Interaction · Computer Science 2020-11-03 Berkay Köprü , Engin Erzin

Facial expression recognition (FER) in the wild is crucial for building reliable human-computer interactive systems. However, annotations of large scale datasets in FER has been a key challenge as these datasets suffer from noise due to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Darshan Gera , S Balasubramanian

Facial behavior analysis is a broad topic with various categories such as facial emotion recognition, age, and gender recognition. Many studies focus on individual tasks while the multi-task learning approach is still an open research issue…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Dang-Khanh Nguyen , Sudarshan Pant , Ngoc-Huynh Ho , Guee-Sang Lee , Soo-Huyng Kim , Hyung-Jeong Yang

Text-based person retrieval aims to identify specific individuals within an image database using textual descriptions. Due to the high cost of annotation and privacy protection, researchers resort to synthesized data for the paradigm of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Hang Yu , Jiahao Wen , Zhedong Zheng

In recent years, deep learning-based automated personality trait detection has received a lot of attention, especially now, due to the massive digital footprints of an individual. Moreover, many researchers have demonstrated that there is a…

Computation and Language · Computer Science 2021-01-08 Yang Li , Amirmohammad Kazameini , Yash Mehta , Erik Cambria

Deep learning models trained on audio-visual data have been successfully used to achieve state-of-the-art performance for emotion recognition. In particular, models trained with multitask learning have shown additional performance…

Image and Video Processing · Electrical Eng. & Systems 2021-02-15 Raghuveer Peri , Srinivas Parthasarathy , Charles Bradshaw , Shiva Sundaram

Multimodal emotion recognition plays a key role in many domains, including mental health monitoring, educational interaction, and human-computer interaction. However, existing methods often face three major challenges: unbalanced category…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Feng Li , Ke Wu , Yongwei Li