Real-time fear emotion recognition in mice based on multimodal data fusion

Abstract A multimodal emotion recognition method that utilizes facial expressions, body postures, and movement trajectories to detect fear in mice is proposed in this study. By integrating and analyzing these distinct data sources through feature encoders and attention classifiers, we developed a ro...

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Main Authors: Hao Wang, Zhanpeng Shi, Ruijie Hu, Xinyi Wang, Jian Chen, Haoyuan Che
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-025-95483-z
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author Hao Wang
Zhanpeng Shi
Ruijie Hu
Xinyi Wang
Jian Chen
Haoyuan Che
author_facet Hao Wang
Zhanpeng Shi
Ruijie Hu
Xinyi Wang
Jian Chen
Haoyuan Che
author_sort Hao Wang
collection DOAJ
description Abstract A multimodal emotion recognition method that utilizes facial expressions, body postures, and movement trajectories to detect fear in mice is proposed in this study. By integrating and analyzing these distinct data sources through feature encoders and attention classifiers, we developed a robust emotion classification model. The performance of the model was evaluated by comparing it with single-modal methods, and the results showed significant accuracy improvements. Our findings indicate that the multimodal fusion emotion recognition model enhanced the precision of emotion detection, achieving a fear recognition accuracy of 86.7%. Additionally, the impacts of different monitoring durations and frame sampling rates on the achieved recognition accuracy were investigated in this study. The proposed method provides an efficient and simple solution for conducting real-time, comprehensive emotion monitoring in animal research, with potential applications in neuroscience and psychiatric studies.
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spelling doaj-art-e8852f5a1d5045bfb341e089e94ed0ee2025-08-20T03:06:50ZengNature PortfolioScientific Reports2045-23222025-04-011511910.1038/s41598-025-95483-zReal-time fear emotion recognition in mice based on multimodal data fusionHao Wang0Zhanpeng Shi1Ruijie Hu2Xinyi Wang3Jian Chen4Haoyuan Che5Public Computer Teaching and Research Center, Jilin UniversityCollege of Veterinary Medicine, Jilin UniversityCollege of Veterinary Medicine, Jilin UniversityCollege of Computer Science and Technology, Jilin UniversityCollege of Animal Science, Jilin UniversityPublic Computer Teaching and Research Center, Jilin UniversityAbstract A multimodal emotion recognition method that utilizes facial expressions, body postures, and movement trajectories to detect fear in mice is proposed in this study. By integrating and analyzing these distinct data sources through feature encoders and attention classifiers, we developed a robust emotion classification model. The performance of the model was evaluated by comparing it with single-modal methods, and the results showed significant accuracy improvements. Our findings indicate that the multimodal fusion emotion recognition model enhanced the precision of emotion detection, achieving a fear recognition accuracy of 86.7%. Additionally, the impacts of different monitoring durations and frame sampling rates on the achieved recognition accuracy were investigated in this study. The proposed method provides an efficient and simple solution for conducting real-time, comprehensive emotion monitoring in animal research, with potential applications in neuroscience and psychiatric studies.https://doi.org/10.1038/s41598-025-95483-z
spellingShingle Hao Wang
Zhanpeng Shi
Ruijie Hu
Xinyi Wang
Jian Chen
Haoyuan Che
Real-time fear emotion recognition in mice based on multimodal data fusion
Scientific Reports
title Real-time fear emotion recognition in mice based on multimodal data fusion
title_full Real-time fear emotion recognition in mice based on multimodal data fusion
title_fullStr Real-time fear emotion recognition in mice based on multimodal data fusion
title_full_unstemmed Real-time fear emotion recognition in mice based on multimodal data fusion
title_short Real-time fear emotion recognition in mice based on multimodal data fusion
title_sort real time fear emotion recognition in mice based on multimodal data fusion
url https://doi.org/10.1038/s41598-025-95483-z
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AT ruijiehu realtimefearemotionrecognitioninmicebasedonmultimodaldatafusion
AT xinyiwang realtimefearemotionrecognitioninmicebasedonmultimodaldatafusion
AT jianchen realtimefearemotionrecognitioninmicebasedonmultimodaldatafusion
AT haoyuanche realtimefearemotionrecognitioninmicebasedonmultimodaldatafusion