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Understanding actions and gestures in video streams requires temporal reasoning of the spatial content from different time instants, i.e., spatiotemporal (ST) modeling. In this survey paper, we have made a comparative analysis of different…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Okan Köpüklü , Fabian Herzog , Gerhard Rigoll

Emotions play an important role in people's life. Understanding and recognising is not only important for interpersonal communication, but also has promising applications in Human-Computer Interaction, automobile safety and medical…

Machine Learning · Computer Science 2019-12-17 Xia Yicheng , Dimitrios Kollias

Motivated by the previous success of Two-Dimensional Convolutional Neural Network (2D CNN) on image recognition, researchers endeavor to leverage it to characterize videos. However, one limitation of applying 2D CNN to analyze videos is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Junwu Weng , Donghao Luo , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Xudong Jiang , Junsong Yuan

For many years, the emotion recognition task has remained one of the most interesting and important problems in the field of human-computer interaction. In this study, we consider the emotion recognition task as a classification as well as…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Denis Rangulov , Muhammad Fahim

Emotion recognition from electroencephalogram (EEG) signals is a thriving field, particularly in neuroscience and Human-Computer Interaction (HCI). This study aims to understand and improve the predictive accuracy of emotional state…

Machine Learning · Computer Science 2025-08-13 Shyam K Sateesh , Sparsh BK , Uma D

For many years now, understanding the brain mechanism has been a great research subject in many different fields. Brain signal processing and especially electroencephalogram (EEG) has recently known a growing interest both in academia and…

Neurons and Cognition · Quantitative Biology 2022-04-18 Victor Delvigne , Hazem Wannous , Jean-Philippe Vandeborre , Laurence Ris , Thierry Dutoit

We propose a novel explainable machine learning (ML) model that identifies depression from speech, by modeling the temporal dependencies across utterances and utilizing the spectrotemporal information at the vowel level. Our method first…

Sound · Computer Science 2022-10-28 Kexin Feng , Theodora Chaspari

Convolutional Neural Networks (CNN) have been pivotal to the success of many state-of-the-art classification problems, in a wide variety of domains (for e.g. vision, speech, graphs and medical imaging). A commonality within those domains is…

Machine Learning · Computer Science 2019-12-02 Rohan Ghosh , Anupam K. Gupta , Mehul Motani

Emotion estimation in music listening is confronting challenges to capture the emotion variation of listeners. Recent years have witnessed attempts to exploit multimodality fusing information from musical contents and physiological signals…

Artificial Intelligence · Computer Science 2016-12-01 Nattapong Thammasan , Ken-ichi Fukui , Masayuki Numao

Deep learning based on Convolutional Neural Network (CNN) has shown promising results in various vision-based applications, recently also in camera-based vital signs monitoring. The CNN-based Photoplethysmography (PPG) extraction has, so…

Computer Vision and Pattern Recognition · Computer Science 2020-02-06 Qi Zhan , Wenjin Wang , Gerard de Haan

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

Computer Vision and Pattern Recognition · Computer Science 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

Speech emotion recognition (SER) classifies human emotions in speech with a computer model. Recently, performance in SER has steadily increased as deep learning techniques have adapted. However, unlike many domains that use speech data,…

Sound · Computer Science 2024-09-09 Byunggun Kim , Younghun Kwon

Current models on Explainable Artificial Intelligence (XAI) have shown an evident and quantified lack of reliability for measuring feature-relevance when statistically entangled features are proposed for training deep classifiers. There has…

Signal Processing · Electrical Eng. & Systems 2023-02-27 Juan Manuel Mayor-Torres , Sara Medina-DeVilliers , Tessa Clarkson , Matthew D. Lerner , Giuseppe Riccardi

In this paper, we investigate stable patterns of electroencephalogram (EEG) over time for emotion recognition using a machine learning approach. Up to now, various findings of activated patterns associated with different emotions have been…

Human-Computer Interaction · Computer Science 2016-01-12 Wei-Long Zheng , Jia-Yi Zhu , Bao-Liang Lu

In this work, we conduct an extensive comparison of various approaches to speech based emotion recognition systems. The analyses were carried out on audio recordings from Ryerson Audio-Visual Database of Emotional Speech and Song (RAVDESS).…

Sound · Computer Science 2019-12-24 Kannan Venkataramanan , Haresh Rengaraj Rajamohan

Cross-dataset emotion recognition as an extremely challenging task in the field of EEG-based affective computing is influenced by many factors, which makes the universal models yield unsatisfactory results. Facing the situation that lacks…

Signal Processing · Electrical Eng. & Systems 2022-11-07 Huayu Chen , Huanhuan He , Jing Zhu , Shuting Sun , Jianxiu Li , Xuexiao Shao , Junxiang Li , Xiaowei Li , Bin Hu

A key task in clinical EEG interpretation is to classify a recording or session as normal or abnormal. In machine learning approaches to this task, recordings are typically divided into shorter windows for practical reasons, and these…

Machine Learning · Computer Science 2024-01-17 Yixuan Zhu , Luke J. W. Canham , David Western

We investigate the performance of modern convolutional neural networks (CNN) and a linear support vector machine (SVM) with respect to spatial contrast sensitivity. Specifically, we compare CNN sensitivity to that of a Bayesian ideal…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Fabian H. Reith , Brian A. Wandell

In the task of emotion recognition from videos, a key improvement has been to focus on emotions over time rather than a single frame. There are many architectures to address this task such as GRUs, LSTMs, Self-Attention, Transformers, and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Alexander Mehta , William Yang

In this paper, we present a unified, end-to-end trainable spatiotemporal CNN model for VOS, which consists of two branches, i.e., the temporal coherence branch and the spatial segmentation branch. Specifically, the temporal coherence branch…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Kai Xu , Longyin Wen , Guorong Li , Liefeng Bo , Qingming Huang