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Multimodal depression classification has gained immense popularity over the recent years. We develop a multimodal depression classification system using articulatory coordination features extracted from vocal tract variables and text…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-15 Nadee Seneviratne , Carol Espy-Wilson

An electroencephalogram (EEG) records the spatially averaged electrical activity of neurons in the brain, measured from the human scalp. Prior studies have explored EEG-based classification of objects or concepts, often for passive viewing…

Machine Learning · Computer Science 2026-02-25 Anupam Sharma , Harish Katti , Prajwal Singh , Shanmuganathan Raman , Krishna Miyapuram

This study addresses the classification of heartbeats from ECG signals through two distinct approaches: traditional machine learning utilizing hand-crafted features and deep learning via transformed images of ECG beats. The dataset…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Thien Nhan Vo

Studies in the area of neuroscience have revealed the relationship between emotional patterns and brain functional regions, demonstrating that dynamic relationships between different brain regions are an essential factor affecting emotion…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Yijin Zhou , Fu Li , Yang Li , Youshuo Ji , Guangming Shi , Wenming Zheng , Lijian Zhang , Yuanfang Chen , Rui Cheng

Audio Sentiment Analysis is a popular research area which extends the conventional text-based sentiment analysis to depend on the effectiveness of acoustic features extracted from speech. However, current progress on audio sentiment…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-01 Feiyang Chen , Ziqian Luo

Objective: To determine if a realistic, but computationally efficient model of the electrocardiogram can be used to pre-train a deep neural network (DNN) with a wide range of morphologies and abnormalities specific to a given condition -…

Machine Learning · Computer Science 2022-01-03 Ismail Sadiq , Erick A. Perez-Alday , Amit J. Shah , Ali Bahrami Rad , Reza Sameni , Gari D. Clifford

Recognizing the pivotal role of EEG emotion recognition in the development of affective Brain-Computer Interfaces (aBCIs), considerable research efforts have been dedicated to this field. While prior methods have demonstrated success in…

Human-Computer Interaction · Computer Science 2024-03-26 Yijin Zhou , Fu Li , Yang Li , Youshuo Ji , Lijian Zhang , Yuanfang Chen

Demand forecasting in competitive, uncertain business environments requires models that can integrate multiple evaluation perspectives rather than being restricted to hyperparameter optimization based on a single metric. This traditional…

Machine Learning · Computer Science 2025-12-23 Adolfo González , Víctor Parada

Single image-based crowd counting has recently witnessed increased focus, but many leading methods are far from optimal, especially in highly congested scenes. In this paper, we present Hierarchical Attention-based Crowd Counting Network…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Vishwanath A. Sindagi , Vishal M. Patel

Background: Studies have shown the potential adverse health effects, ranging from headaches to cardiovascular disease, associated with long-term negative emotions and chronic stress. Since many indicators of stress are imperceptible to…

Machine Learning · Computer Science 2023-08-29 Joe Li , Peter Washington

EEG-based Emotion recognition holds significant promise for applications in human-computer interaction, medicine, and neuroscience. While deep learning has shown potential in this field, current approaches usually rely on large-scale…

Signal Processing · Electrical Eng. & Systems 2024-03-08 Hanqi Wang , Tao Chen , Liang Song

In this work, a kernel attention module is presented for the task of EEG-based emotion classification with neural networks. The proposed module utilizes a self-attention mechanism by performing a kernel trick, demanding significantly fewer…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Dongyang Kuang , Craig Michoski

Emotion detection in textual data has received growing interest in recent years, as it is pivotal for developing empathetic human-computer interaction systems. This paper introduces a method for categorizing emotions from text, which…

Technique of emotion recognition enables computers to classify human affective states into discrete categories. However, the emotion may fluctuate instead of maintaining a stable state even within a short time interval. There is also a…

Signal Processing · Electrical Eng. & Systems 2022-08-24 Yiwen Zhu , Kaiyu Gan , Zhong Yin

Most sequential recommendation (SR) systems employing graph neural networks (GNNs) only model a user's interaction sequence as a flat graph without hierarchy, overlooking diverse factors in the user's preference. Moreover, the timespan…

Information Retrieval · Computer Science 2022-07-28 Lyuxin Xue , Deqing Yang , Yanghua Xiao

Sentiment analysis, a popular technique for opinion mining, has been used by the software engineering research community for tasks such as assessing app reviews, developer emotions in issue trackers and developer opinions on APIs. Past…

Computation and Language · Computer Science 2018-12-27 Achyudh Ram , Meiyappan Nagappan

Graph-based semi-supervised learning has been shown to be one of the most effective approaches for classification tasks from a wide range of domains, such as image classification and text classification, as they can exploit the connectivity…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Wanyu Lin , Zhaolin Gao , Baochun Li

Pain management and severity detection are crucial for effective treatment, yet traditional self-reporting methods are subjective and may be unsuitable for non-verbal individuals (people with limited speaking skills). To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Aafaf Ridouan , Amine Bohi , Youssef Mourchid

Recognizing the feelings of human beings plays a critical role in our daily communication. Neuroscience has demonstrated that different emotion states present different degrees of activation in different brain regions, EEG frequency bands…

Signal Processing · Electrical Eng. & Systems 2021-11-09 Jiyao Liu , Yanxi Zhao , Hao Wu , Dongmei Jiang

We present a novel hierarchical spatiotemporal action tokenizer for in-context imitation learning. We first propose a hierarchical approach, which consists of two successive levels of vector quantization. In particular, the lower level…