面部图像表情识别和预测系统
Animesh Talukder1, Surath Ghosh2
1Department of Mathematics, SAS, Vellore Institute of Technology, Chennai, 600127, Tamilnadu, India.
Scientific reports
|November 12, 2024
概括
本研究介绍了面部表情识别的三种模型,比较了支持向量机,VGG-NET卷积神经网络 (CNN) 和增强的CNN. 改进后的CNN模型在从35,500多张面部图像中识别7种不同的人类情绪方面表现出了卓越的表现.
科学领域:
- 计算机科学 计算机科学
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 面部表情识别系统对于人机交互至关重要.
- 从面部线索中准确检测情绪的强大模型的开发是一个持续的挑战.
研究的目的:
- 提出和评估面部表情预测系统的三个不同的建筑模型.
- 为了比较支持向量机器 (SVM),VGG-NET卷积神经网络 (CNN) 和增强的CNN模型的性能.
- 确定识别七种不同的面部表情最有效的架构.
主要方法:
- 利用了超过35,500张面部图像的数据集,代表了七种不同的表情.
- 实施了支持矢量机 (SVM) 进行初始分类.
- 使用VGG-NET架构开发了一个卷积神经网络 (CNN).
- 设计了一个增强的CNN模型,具有卷积顺序层,以提高性能.
- 预处理数据以尽量减少噪音,并使用混矩阵,损失和准确度指标分析模型性能.
主要成果:
- 与SVM和VGG-NET CNN模型相比,使用卷积顺序层的增强CNN模型显示出更高的准确性和更少的损失.
- 包括损失和准确性在内的性能指标使用条形图和散射图进行可视化.
- 混矩阵被用来定量评估每个实施模型的性能.
结论:
- 在评估的模型中,增强的CNN架构在面部表情识别方面被证明是最有效的.
- 这项研究展示了一种用户友好的情绪识别方法,每个面部图像都有可视化的输出.
- 进一步的研究可以在这种增强型模型的基础上构建更复杂的情绪分析系统.
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