通过生理和视觉数据预测持续的情绪测量
Itaf Omar Joudeh1, Ana-Maria Cretu1, Stéphane Bouchard2
1Department of Computer Science and Engineering, University of Quebec in Outaouais, Gatineau, QC J8Y 3G5, Canada.
Sensors (Basel, Switzerland)
|July 8, 2023
概括
这项研究使用生理和视频数据预测情绪状态,达到高准确度. 这些模型可以为心理健康治疗个性化虚拟现实,提高用户参与度.
科学领域:
- 情感计算是一种情感计算.
- 人与计算机的互动.
- 机器学习用于心理健康
背景情况:
- 情感状态预测对于个性化数字体验至关重要.
- 以前的工作重点是物理数据,如皮电活动 (EDA) 和心电图 (ECG).
- 虚拟现实 (VR) 提供了认知补救的潜力,但需要适应性环境来防止用户丧.
研究的目的:
- 从生理和视频数据中预测兴奋和价值值值.
- 开发适应性VR环境,用于心理健康障碍的认知补救.
- 通过增强预处理和纳入新型特征选择和决策融合来改进预测模型.
主要方法:
- 使用生理学 (EDA,ECG) 和视频记录作为数据来源.
- 实施了先进的机器学习模型,与精细的预处理步骤相结合.
- 整合了新的特征选择和决策融合技术.
- 对RECOLA数据集的方法进行了评估.
主要成果:
- 通过使用生理数据,实现了高预测准确度,共相关系数 (CCC) 为唤起0.996,价值系数为0.998.
- 在RECOLA数据集上表现优于现有的最先进方法.
- 证明了结合多个数据源和先进机器学习的有效性.
结论:
- 先进的机器学习技术可以准确地从各种数据中预测情绪状态.
- 开发的模型显示了个性化VR环境的巨大潜力,用于心理健康应用.
- 这种方法可以通过调整VR体验以适应用户的情绪状态来增强认知补救,减少丧.
相关概念视频
01:16Physiological Theories: James-Lange Theory of Emotion
732
The James-Lange theory of emotion, proposed by William James and Carl Lange in the late 19th century, asserts that emotions are the result of physiological reactions to external stimuli. Contrary to the traditional view, which suggests that emotions directly arise from the perception of stimuli, this theory proposes that emotions occur as a consequence of the body's responses to such stimuli. According to this framework, an emotional experience is a cognitive interpretation of physiological...
732
01:20Physiology of Emotion
996
The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
996
01:24Facial Feedback Hypothesis
193
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
193
01:22Physiological Theories: Cannon-Bard Theory of Emotion
642
The Cannon-Bard theory of emotion, proposed by Walter Cannon and Philip Bard, challenges the notion that emotions are solely the result of physiological responses. Instead, this theory suggests that emotional experiences and physiological arousal occur simultaneously but operate through independent mechanisms. This dual response is initiated by the brain, specifically by the thalamus, which plays a critical role in processing sensory information.
Upon perceiving a stimulus, such as a dangerous...
Upon perceiving a stimulus, such as a dangerous...
642