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基于 CNN-SSA-Bi-LSTM 深度学习模型的计算机媒体翻转课堂混合式教学研究

Research on Blended Teaching of Flipped Classroom Based on CNN-SSA-Bi-LSTM Deep Learning Model Computer Media.

机构信息

Chang Chun Radio and TV University, Changchun 130051, Jilin, China.

出版信息

Comput Intell Neurosci. 2022 Jul 30;2022:3740634. doi: 10.1155/2022/3740634. eCollection 2022.

Abstract

Aiming at the problem that the influencing factors of computer media flipped classroom hybrid teaching lead to the teaching effect not reaching the expected, this study proposes an ultra-short-term prediction model based on CNN-SSA-Bi-LSTM. CNN-SSA-Bi-LSTM is used to flip the study of mixed teaching in the classroom. This method constructs a one-dimensional convolutional neural network, performs data fusion and feature transformation on multiple key variables, and then constructs a two-way long-term short-term memory network prediction model, which realizes a 45-minute classroom for ultra-short-term prediction of the future. In addition, data optimization is performed through SSA to improve the predictive effect of the CNN-Bi-LSTM model. Experimental results show that compared with the traditional machine learning method, the proposed prediction model can effectively improve the prediction accuracy of the ultra-short-term classroom effect, and the relative variance of the continuous model is increased by 16.22%. High prediction accuracy and low error prove that CNN-SSA-Bi-LSTM deep learning model has strong application prospects in the research of flipped classroom hybrid teaching.

摘要

针对计算机媒介翻转课堂混合式教学的影响因素导致教学效果未达到预期的问题,本研究提出了一种基于 CNN-SSA-Bi-LSTM 的超短期预测模型。利用 CNN-SSA-Bi-LSTM 翻转课堂混合式教学。该方法构建一维卷积神经网络,对多个关键变量进行数据融合和特征变换,然后构建双向长短时记忆网络预测模型,实现未来 45 分钟课堂的超短期预测。此外,通过 SSA 进行数据优化,提高 CNN-Bi-LSTM 模型的预测效果。实验结果表明,与传统机器学习方法相比,所提出的预测模型可以有效提高超短期课堂效果的预测精度,连续模型的相对方差增加了 16.22%。高预测精度和低误差证明了 CNN-SSA-Bi-LSTM 深度学习模型在翻转课堂混合式教学研究中具有很强的应用前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e6e/9356815/fb756e9d09b1/CIN2022-3740634.001.jpg

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