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2021 11th International Conference on Information Technology in Medicine and Education (ITME)最新文献

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Neural Network-Based Prescription of Chinese Herbal Medicines 基于神经网络的中草药处方
Wen Zhao, Weikai Lu, Changen Zhou, Zuoyong Li, Haoyi Fan, Xuejuan Lin, Zhaoyang Yang, Candong Li
Objective: To develop a neural network model that recommends traditional Chinese medicine (TCM) herbal prescriptions. Methods: We constructed a new dataset of diagnosis and treatment knowledge from the Treatise on Febrile Diseases. Based on TCM's logical principles of “syndrome differentiation” and “state recognition”, a back-propagation neural network model is proposed that simulates clinical diagnosis and treatment. Results: The proposed model is a four-layer BP neural network. Experiments on the constructed dataset show that the proposed method achieved the best precision, recall, and F1-scores. Conclusion: The proposed method provides much more accurate herbal prescription recommendations than logistic regression.
目的:建立中药处方推荐的神经网络模型。方法:从《伤寒论》中构建新的诊疗知识数据集。基于中医“辨证”和“状态识别”的逻辑原理,提出了一种模拟临床诊疗的反向传播神经网络模型。结果:提出的模型是一个四层BP神经网络。在构建的数据集上进行的实验表明,该方法取得了较好的准确率、查全率和f1分数。结论:该方法提供的处方推荐比逻辑回归方法更准确。
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引用次数: 1
An Improved Faster R-CNN Algorithm for Pedestrian Detection 一种改进的更快R-CNN行人检测算法
Zhaoyang Zhao, Jianwei Ma, Chao Ma, Yuzhu Wang
Pedestrian detection is an important branch of computer vision and has been the focus of research due to its wide range of applications. Although commonly used object detection model Faster R-CNN has achieved good results. However, there are still some shortcomings in the specific task of detecting pedestrians. This paper made three improvements to the Faster R-CNN to better adapt it to the pedestrian detection task. First, we did a lot of experiments and finally chose MobileNetv2 as our backbone network. Second, we designed a multi-branch feature pyramid network (M-FPN), which is used to better integrate the model's shallow feature information with the deep feature information improved the model's ability to detect pedestrians. Finally, an attention region proposal network SE-RPN is used to improve the model's ability to focus on pedestrian features and suppress attention to background interference features. The experimental results show that the improvement strategy proposed in this paper has achieved better results. These strategies improve the average accuracy of Faster R-CNN on our self-built dataset by 6.14% and the detection speed by 27fps. The AP on Caltech dataset reaches 87.01%, and the detection speed can achieve 39.4fps.
行人检测是计算机视觉的一个重要分支,由于其广泛的应用一直是研究的热点。虽然常用的目标检测模型Faster R-CNN已经取得了很好的效果。然而,在检测行人的具体任务中,仍然存在一些不足。为了更好地适应行人检测任务,本文对Faster R-CNN进行了三方面的改进。首先,我们做了大量的实验,最终选择MobileNetv2作为我们的骨干网。其次,我们设计了一个多分支特征金字塔网络(M-FPN),用于更好地整合模型的浅层特征信息和深层特征信息,提高了模型对行人的检测能力。最后,采用注意区域建议网络SE-RPN提高模型对行人特征的关注能力,抑制对背景干扰特征的关注。实验结果表明,本文提出的改进策略取得了较好的效果。这些策略使更快R-CNN在自建数据集上的平均准确率提高了6.14%,检测速度提高了27fps。在Caltech数据集上的AP达到87.01%,检测速度可以达到39.4fps。
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引用次数: 0
SAD: A novel method for ensemble outlier detection with dynamic prediction label 基于动态预测标签的集成异常点检测新方法
Xining Huang, Zhenchang Zhang, Jiaxiang Lin, DanDan Bai
Majority voting outlier detection is a traditional method that has been widely used in many fields. It uses the strategy of majority vote to make a prediction, which makes it perform poorly in acc index sometimes. In this paper, a method called second anomaly detection (SAD) is proposed, to detect the connection of outlier scores between each other and decide the advantage strength of a sample when defining the outlierness, which is expressed as $a$ factor, then the prediction label of a sample is ascertained according to the a value. Finally, SAD is compared with several majority voting anomaly detection algorithms in accuracy performance, such as iForest, HBOS, AutoEncoder, it is shown that the proposed algorithm SAD is effective.
多数投票异常值检测是一种传统的方法,在许多领域得到了广泛的应用。它采用多数投票的策略进行预测,这使得它有时在acc指标上表现不佳。本文提出了一种称为二次异常检测(second anomaly detection, SAD)的方法,在定义离群值时,检测离群值之间的联系并确定样本的优势强度,将离群值表示为$a$因子,然后根据a值确定样本的预测标签。最后,将SAD算法与ifforest、HBOS、AutoEncoder等多数投票异常检测算法的准确率进行了比较,结果表明该算法是有效的。
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引用次数: 0
Feature Representation for Meditation State Classification in EEG Signal 脑电信号冥想状态分类的特征表示
Min Huang, Lizhen Ye, Junze Chen, Rurui Fu, Changle Zhou
Meditation has been shown as an efficient way to promote human well-being. Most studies focused on meditation in sitting posture. However, meditation in walking posture was rarely studied. In order to identify these two meditation states (i.e., sitting and walking), we proposed a classification framework by leveraging different features extracted from the EEG signals and the random forest classifier. This study first investigated different single-modal features, including original power, power ratio, and non-linear dynamics. Further, we also concatenated all the single-modal features into a multi-modal feature. The experimental results show that the original power feature is better than the non-linear dynamics feature in meditation state classification. Moreover, the multi-modal feature outperforms all the single-modal features and can identify sitting and walking meditation with high accuracy.
冥想已被证明是一种促进人类健康的有效方法。大多数研究集中在坐姿的冥想上。然而,走路姿势的冥想很少被研究。为了识别这两种冥想状态(即坐着和走着),我们提出了一个利用从脑电图信号中提取的不同特征和随机森林分类器的分类框架。本研究首先研究了不同的单模态特征,包括原始功率、功率比和非线性动力学。此外,我们还将所有的单模态特征连接成一个多模态特征。实验结果表明,在冥想状态分类中,原始功率特征优于非线性动态特征。此外,多模态特征优于所有单模态特征,能够以较高的准确率识别坐禅和行禅。
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引用次数: 1
Knowledge Distillation based Lightweight Adaptive Graph Convolutional Network for Skeleton-based action recognition 基于知识蒸馏的轻量级自适应图卷积网络用于骨架动作识别
Zhongwei Qiu, Hongbo Zhang, Qing Lei, Jixiang Du
Skeleton-based human action recognition has received extensive attention due to its easy access to human skeleton data. However, the current mainstream skeleton-based action recognition methods have more or less the problem of overlarge parameters, which makes it difficult for these methods to meet the requirements of timeliness and accuracy. To solve this problem, we improve attention-enhanced adaptive graph convolutional neural network (AAGCN) to obtain a high-precision improved AAGCN (IAAGCN), and use it as teacher model to conduct knowledge distillation of our lightweight IAAGCN (LIAAGCN). The results of the tests on the NTU-RGBD dataset are validated by knowledge distillation to allow LIAAGCN to maintain good accuracy while keeping the parameters small.
基于骨骼的人体动作识别因其易于获取人体骨骼数据而受到广泛关注。然而,目前主流的基于骨架的动作识别方法或多或少都存在参数过大的问题,使得这些方法难以满足时效性和准确性的要求。为了解决这一问题,我们改进了注意力增强自适应图卷积神经网络(AAGCN),得到了一个高精度的改进的AAGCN (IAAGCN),并将其作为教师模型对我们的轻量级IAAGCN (LIAAGCN)进行知识蒸馏。通过知识精馏对NTU-RGBD数据集的测试结果进行验证,使LIAAGCN在保持较小参数的同时保持良好的准确性。
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引用次数: 0
Research and development of “SMART+” pressure ulcer warning instrument and system “SMART+”压疮预警仪器及系统的研发
Shuhao Cao, Fulin Yan, Chen Zhang, Jinzhao Lu, Cheng Jiang, Wei Zhou, Xueqin Lu
Purpose This paper focuses on developing a pressure ulcer warning system to help early and accurate clinical prediction of pressure ulcers. Methods The system was developed by combining pressure ulcer care technology from the nursing discipline with sensor technology from the physical discipline and data transmission technology from the computer discipline. The system contains sensor array measuring the physiological indexes and software mod-ule analyzing the data. The array of sensors will collect the level and duration of the pressure, the changes of pressurized surface temper-ature and the blood oxygen saturation. All data will upload to the software for further analyzing. Then results will output in the recep-tors showing to evaluators. Results The system can provide objective data concluding pressure, surface temperature, local blood oxy-gen saturation to the evaluators for early diagnosing pressure ulcers. But all the functions need more experimentation to prove its validity and improve it. Conclusion The “SMART+” pressure ulcer warning instrument and system has high feasibility and value for re-searching and developing.
目的建立压疮预警系统,帮助临床对压疮进行早期准确的预测。方法将护理学科的压疮护理技术、物理学科的传感器技术和计算机学科的数据传输技术相结合,开发出压疮护理系统。该系统由测量生理指标的传感器阵列和分析数据的软件模块组成。传感器阵列将收集压力的水平和持续时间,受压表面温度的变化和血氧饱和度。所有数据将上传到软件进行进一步分析。然后,结果将在显示给评估人员的接收器中输出。结果该系统可为评价人员提供客观的血压、体表温度、局部血氧饱和度等数据,为压疮早期诊断提供依据。但所有的功能都需要更多的实验来证明其有效性和改进。结论“SMART+”压疮预警仪器及系统具有较高的可行性和研究开发价值。
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引用次数: 1
Clinical observation of Xi Sanzang Decoction concomitant with auricular-plaster therapy using magnetic beads in treatment of knee osteoarthritis due to deficiency of liver and kidney 喜三藏汤联合磁珠耳穴贴敷治疗肝肾虚型膝骨性关节炎临床观察
Xing Zhen-Long, L. Jian, Wu Shuan, Qin Zi-rong, Qiu Qing-zhong
Objective: To explore the clinical efficacy of Xi Sanzang Decoction concomitant with auricular-plaster therapy using magnetic beads in the treatment of knee osteoarthritis (KOA) due to deficiency of liver and kidney. Methods: A total of 60 patients with KOA due to deficiency of liver and kidney who were admitted to No. 1 Department of Orthopedics in Hospital of Integrated Traditional Chinese and Western Medicine of Guangdong Province from June 2019 to June 2021 were selected as the study subjects and randomized into treatment group and control group based on simple random number table, 30 cases in each group. Treatment group received oral administration of Xi Sanzang Decoction concomitant with auricular-plaster therapy using magnetic beads, while control group received Imrecoxib Tablets. Visual Analogue Scale (VAS), Western Ontario and McMaster Universities Arthritis Index (WOMAC) and Lysholm and ROM knee score scale before and after treatment, clinical efficacy after treatment, and the recurrence rate one month after treatment discontinuation were compared between two groups 4 weeks later. Results: After treatment, the overall response rate was 96.66% in treatment group, evidently higher than the 86.66% in control group, and there was significant difference (P<0.01). After treatment, VAS score, stiffness score, ADL score and WOMAC total score decreased notably after treatment in both groups (P<0.01), which decreased more significantly in treatment group than those in control group (P<0.05). After treatment, ROM score and Lysholm score increased prominently after treatment in both groups (P<0.01), which increased more significantly in treatment group than those in control group (P<0.05). Treatment group was markedly lower than control group in the recurrence rate one month after drug discontinuation, and there was significant difference (P<0.05). Conclusion: Xi Sanzang Decoction concomitant with auricular-plaster therapy using magnetic beads for the treatment of KOA due to deficiency of liver and kidney has certain efficacy and can improve the knee function and mobility and control medical condition with good safety.
目的:探讨喜三藏汤联合磁珠耳穴贴敷治疗肝肾虚型膝骨性关节炎的临床疗效。方法:选取2019年6月至2021年6月广东省中西医结合医院骨科第一科收治的肝肾虚型KOA患者60例作为研究对象,采用简单随机数字表法随机分为治疗组和对照组,每组30例。治疗组患者口服喜散藏汤联合磁珠贴耳治疗,对照组患者口服伊莫昔布片。比较两组患者治疗前后视觉模拟量表(VAS)、西安大略省和麦克马斯特大学关节炎指数(WOMAC)、Lysholm和ROM膝关节评分量表、治疗后临床疗效及停药1个月后复发率。结果:治疗后,治疗组总有效率为96.66%,显著高于对照组的86.66%,差异有统计学意义(P<0.01)。治疗后,两组患者治疗后VAS评分、僵硬度评分、ADL评分、WOMAC总分均显著降低(P<0.01),治疗组降低幅度明显大于对照组(P<0.05)。治疗后,两组患者治疗后ROM评分、Lysholm评分均显著升高(P<0.01),治疗组明显高于对照组(P<0.05)。治疗组停药后1个月复发率明显低于对照组,差异有统计学意义(P<0.05)。结论:喜三藏汤联合磁珠耳穴贴敷治疗肝肾虚型KOA有一定疗效,可改善膝关节功能和活动能力,控制病情,安全性好。
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引用次数: 0
Optimization of neural network structure using involution operator based on particle swarm optimization for image classification 基于粒子群算法的神经网络结构优化
Xiang Lei, Xiaoyu Lin, Yiwen Zhong, Qixian Chen
Deep neural networks have made signifi-cant progress in image classification in recent years, however good deep neural networks take a lot of hu-man labor and computational resources, and they must be developed by person with professional expe-rience. Most good deep neural networks now employ convolution operators for feature extraction, however due to convolution spatially agnostic and channel-specific, they lose their capacity to deal with diverse spaces and visual modes. As a result, this article uses a new operator involution based on the inverse con-volution operator's design principle, which is com-bined with the particle swarm optimization algorithm's (PSO) high precision and quick convergence features, as well as the variable length encoding approach. Convolution operator problems can be solved, and the most effective deep neural network structure for the image classification problem can be generated automatically. Experiments demonstrate that the neu-ral network structure created by the method presented in this study outperforms several similar algorithms in terms of recognition accuracy and number of pa-rameters generated, as well as saving a lot of time and computer resources.
近年来,深度神经网络在图像分类方面取得了显著的进展,但好的深度神经网络需要大量的人力和计算资源,必须由具有专业经验的人来开发。目前,大多数优秀的深度神经网络都采用卷积算子进行特征提取,但由于卷积与空间无关和通道特定,它们失去了处理不同空间和视觉模式的能力。因此,本文采用了一种基于逆卷积算子设计原理的算子对合,结合粒子群优化算法(PSO)高精度、快速收敛的特点,以及变长编码方法。求解卷积算子问题,自动生成图像分类问题最有效的深度神经网络结构。实验表明,该方法构建的神经网络结构在识别精度和生成的参数数量方面优于几种类似的算法,并且节省了大量的时间和计算机资源。
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引用次数: 1
11th International Conference on Information Technology in Medicine and Education 第11届医学和教育信息技术国际会议
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引用次数: 1
Research on the implementation path and practice of data driven university governance modernization—Taking Shandong Youth College of Political Science as an example 数据驱动大学治理现代化的实施路径与实践研究——以山东青年政治学院为例
Zhiyong Wang, Ran Huang
From the perspective of data-driven technology, this paper analyzed the practical challenges faced by colleges and universities in the process of realizing the modernization of educational governance, and summarized the implementation path and technical framework from practice, So as to provide a useful reference for colleges and universities to realize the governance modernization. Through research and summary, the implementation path mainly consist of three important components: selecting a reasonable platform architecture, improving data governance services and continuously promoting data governance operations. Finally,take Shandong Youth College of Political Science as an example to carry out practical research and display the case results of data driven governance modernization. It's proved that the implementation path of data driven university governance modernization proposed in this paper is effective.
本文从数据驱动技术的角度,分析了高校在实现教育治理现代化过程中面临的现实挑战,并从实践中总结出实施路径和技术框架,为高校实现治理现代化提供有益的参考。通过研究总结,实现路径主要包括选择合理的平台架构、完善数据治理服务、持续推进数据治理运行三个重要组成部分。最后,以山东青年政治学院为例,开展实践研究,展示数据驱动治理现代化的案例成果。实践证明,本文提出的数据驱动大学治理现代化的实施路径是有效的。
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引用次数: 0
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2021 11th International Conference on Information Technology in Medicine and Education (ITME)
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