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Improvement of EEG signal-based emotion recognition based on feature learning methods

机译:基于特征学习方法的脑电信号情感识别的改进

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Emotion is inevitable in human life. Today's knowledge is looking for new ways to recognize emotions, without considering of facial expression. One of the new methods for detecting emotions is the use of electroencephalogram signals (EEG). Using signal processing techniques and feature learning methods and with the help of decision tree on EEG signals to improve emotion recognition, a new method for improving emotion recognition is presented in this paper. The proposed method focuses on reducing the number of electrodes used in signal recording and the use of brain alpha waves, and extraction and characterization of characteristics based on received signals, and attempts to improve emotion recognition. Signals are classified using DT decision tree classification after recording, processing and extraction of the property by the two methods of PCA and PSD with. The proposed algorithm has been recorded on 10 people watching 2 videos and 8 happy and sad images. The results obtained from the three pairs of electrodes provide an acceptable improvement percentage. Given a decrease in the number of electrodes and a reduction in processes, an 88.73% improvement is shown in the recognition of emotions of happiness and 86.31% of improvement in detecting emotions of sadness.
机译:情感在人类生活中是不可避免的。当今的知识正在寻找无需考虑面部表情即可识别情绪的新方法。检测情绪的新方法之一是使用脑电图信号(EEG)。利用信号处理技术和特征学习方法,并借助脑电信号的决策树来提高情感识别能力,提出了一种新的情感识别方法。提出的方法着重于减少信号记录中使用的电极数量和脑阿尔法波的使用,以及基于接收到的信号的特征提取和表征,并尝试改善情感识别。在通过PCA和PSD两种方法记录,处理和提取属性后,使用DT决策树分类对信号进行分类。该算法被记录在10个人观看2个视频和8张快乐和悲伤的图像上。从三对电极获得的结果提供了可接受的改进百分比。考虑到电极数量的减少和工艺的减少,幸福情绪的识别率提高了88.73%,而悲伤情绪的检测率提高了86.31%。

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