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Expressing and identifying emotions through facial and physical expressions is a significant part of social interaction. Emotion recognition is an essential task in computer vision due to its various applications and mainly for allowing a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Willams Costa , David Macêdo , Cleber Zanchettin , Lucas S. Figueiredo , Veronica Teichrieb

This paper proposes a process for a classification model for the facial expressions. The proposed process would aid in specific categorisation of children's emotions from 2 emotions namely 'Happy' and 'Sad'. Since the existing emotion…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Sanchayan Vivekananthan

Speech emotion recognition is a challenging task and an important step towards more natural human-machine interaction. We show that pre-trained language models can be fine-tuned for text emotion recognition, achieving an accuracy of 69.5%…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-06 Verena Heusser , Niklas Freymuth , Stefan Constantin , Alex Waibel

Large speech models-derived features have recently shown increased performance over signal-based features across multiple downstream tasks, even when the networks are not finetuned towards the target task. In this paper we show the results…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-02 Adrian Bogdan Stânea , Vlad Striletchi , Cosmin Striletchi , Adriana Stan

Acoustic classification of frogs has gotten a lot of attention recently due to its potential applicability in ecological investigations. Numerous studies have been presented for identifying frog species, although the majority of recorded…

Machine Learning · Computer Science 2021-12-13 Miriam Alabi

This paper addresses the problem of emotion recognition from physiological signals. Features are extracted and ranked based on their effect on classification accuracy. Different classifiers are compared. The inter-subject variability and…

Machine Learning · Statistics 2016-07-21 Varvara Kollia

Text is the major method that is used for communication now a days, each and every day lots of text are created. In this paper the text data is used for the classification of the emotions. Emotions are the way of expression of the persons…

Computation and Language · Computer Science 2019-01-11 Naveenkumar K S , Vinayakumar R , Soman KP

In this work, we tackle a problem of speech emotion classification. One of the issues in the area of affective computation is that the amount of annotated data is very limited. On the other hand, the number of ways that the same emotion can…

Computation and Language · Computer Science 2018-04-02 Egor Lakomkin , Cornelius Weber , Stefan Wermter

Emotion states recognition using wireless signals is an emerging area of research that has an impact on neuroscientific studies of human behaviour and well-being monitoring. Currently, standoff emotion detection is mostly reliant on the…

Signal Processing · Electrical Eng. & Systems 2021-06-09 Ahsan Noor Khan , Achintha Avin Ihalage , Yihan Ma , Baiyang Liu , Yujie Liu , Yang Hao

In this paper the task of emotion recognition from speech is considered. Proposed approach uses deep recurrent neural network trained on a sequence of acoustic features calculated over small speech intervals. At the same time special…

Computation and Language · Computer Science 2018-07-06 Vladimir Chernykh , Pavel Prikhodko

Emotion recognition through artificial intelligence and smart sensing of physical and physiological signals (Affective Computing) is achieving very interesting results in terms of accuracy, inference times, and user-independent models. In…

Human-Computer Interaction · Computer Science 2024-10-08 Laura Gutierrez-Martin , Celia Lopez Ongil , Jose M. Lanza-Gutierrez , Jose A. Miranda Calero

Emotions are very important for human intelligence. For example, emotions are closely related to the appraisal of the internal bodily state and external stimuli. This helps us to respond quickly to the environment. Another important…

Artificial Intelligence · Computer Science 2018-08-28 Chie Hieida , Takato Horii , Takayuki Nagai

Dog emotion recognition plays a crucial role in enhancing human-animal interactions, veterinary care, and the development of automated systems for monitoring canine well-being. However, accurately interpreting dog emotions is challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Jinho Baek , Houwei Cao , Kate Blackwell

There are a variety of features of the human voice that can be classified as pitch, timbre, loudness, and vocal tone. It is observed in numerous incidents that human expresses their feelings using different vocal qualities when they are…

Every speech signal carries implicit information about the emotions, which can be extracted by speech processing methods. In this paper, we propose an algorithm for extracting features that are independent from the spoken language and the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-26 Fatemeh Noroozi , Marina Marjanovic , Angelina Njegus , Sergio Escalera , Gholamreza Anbarjafari

This paper compares machine learning approaches with different input data formats for the classification of acoustic emission (AE) signals. AE signals are a promising monitoring technique in many structural health monitoring applications.…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Uditha Muthumala , Yuxuan Zhang , Luciano Sebastian Martinez-Rau , Sebastian Bader

This paper delves into the pioneering exploration of potential communication patterns within dog vocalizations and transcends traditional linguistic analysis barriers, which heavily relies on human priori knowledge on limited datasets to…

Sound · Computer Science 2024-02-27 Xingyuan Li , Sinong Wang , Zeyu Xie , Mengyue Wu , Kenny Q. Zhu

Speech Emotion Recognition (SER) aims to help the machine to understand human's subjective emotion from only audio information. However, extracting and utilizing comprehensive in-depth audio information is still a challenging task. In this…

Sound · Computer Science 2022-03-30 Heqing Zou , Yuke Si , Chen Chen , Deepu Rajan , Eng Siong Chng

Automatically assessing emotional valence in human speech has historically been a difficult task for machine learning algorithms. The subtle changes in the voice of the speaker that are indicative of positive or negative emotional states…

Computation and Language · Computer Science 2017-05-09 Jonathan Chang , Stefan Scherer

Automated dialogue systems are important applications of artificial intelligence, and traditional systems struggle to understand user emotions and provide empathetic feedback. This study integrates emotional intelligence technology into…

Artificial Intelligence · Computer Science 2024-04-30 Jin Wang , JinFei Wang , Shuying Dai , Jiqiang Yu , Keqin Li