School of Architecture, Tianjin University, Tianjin 300072, China.
Faculty of Art & Science, The University of Toronto, Toronto M1C 1A4, Canada.
Comput Intell Neurosci. 2021 Nov 6;2021:8336887. doi: 10.1155/2021/8336887. eCollection 2021.
With the rapid development of information technology, hospital informatization has become the general trend. In this context, disease monitoring based on medical big data has been proposed and has aroused widespread concern. In order to overcome the shortcomings of the BP neural network, such as slow convergence speed and easy to fall into local extremum, simulated annealing algorithm is used to optimize the BP neural network and high-order simulated annealing neural network algorithm is constructed. After screening the potential target indicators using the random forest algorithm, based on medical big data, the experiment uses high-order simulated annealing neural network algorithm to establish the obesity monitoring model to realize obesity monitoring and prevention. The results show that the training times of the SA-BP neural network are 1480 times lower than those of the BP neural network, and the mean square error of the SA-BP neural network is 3.43 times lower than that of the BP neural network. The MAE of the SA-BP neural network is 1.81 times lower than that of the BP neural network, and the average output error of the obesity monitoring model is about 2.35 at each temperature. After training, the average accuracy of the obesity monitoring model was 98.7%. The above results show that the obesity monitoring model based on medical big data can effectively complete the monitoring of obesity and has a certain contribution to the diagnosis, treatment, and early warning of obesity.
随着信息技术的飞速发展,医院信息化已经成为大势所趋。在此背景下,提出了基于医学大数据的疾病监测,引起了广泛关注。为了克服 BP 神经网络收敛速度慢、容易陷入局部极值等缺点,采用模拟退火算法对 BP 神经网络进行优化,构建了高阶模拟退火神经网络算法。通过随机森林算法筛选出潜在的目标指标,基于医学大数据,实验采用高阶模拟退火神经网络算法建立肥胖监测模型,实现肥胖监测和预防。结果表明,SA-BP 神经网络的训练次数比 BP 神经网络低 1480 倍,SA-BP 神经网络的均方误差比 BP 神经网络低 3.43 倍,SA-BP 神经网络的 MAE 比 BP 神经网络低 1.81 倍,肥胖监测模型的平均输出误差在每个温度下约为 2.35。训练后,肥胖监测模型的平均准确率为 98.7%。以上结果表明,基于医学大数据的肥胖监测模型可以有效完成肥胖监测,对肥胖的诊断、治疗和预警有一定的贡献。