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2018 International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS)最新文献

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Research on Risk Management of Construction Safety based on Bayesian Network 基于贝叶斯网络的建筑安全风险管理研究
Y. Wan-jun, Zi Jing-Yan
In order to solve the shortcomings of existing building construction risk management methods in dealing with uncertainty, a construction risk management analysis method based on Bayesian network (BN) theory is proposed. Firstly, based on management experts decision-making methods, the main factors affecting construction risk management are determined, and the security risk Bayesian network topology is constructed. Then use Bayesian network forward reasoning to predict the probability of construction risk in different situations, and analyze the cause of risk by combining backward reasoning. Finally, a sensitivity analysis based on the mutual information index method was used to identify the sensitive risk factors. Combining with the historical data of domestic construction projects, this method is applied to the practice of construction project safety risk management. The results show that the construction risk probability is 3.36%; It is the biggest risk factor that the safety risk existing is not solved timely in construction.
为了解决现有建筑施工风险管理方法在处理不确定性方面的不足,提出了一种基于贝叶斯网络(BN)理论的建筑施工风险管理分析方法。首先,基于管理专家的决策方法,确定了影响施工风险管理的主要因素,构建了安全风险贝叶斯网络拓扑;然后利用贝叶斯网络前向推理预测不同情况下施工风险发生的概率,并结合后向推理分析风险产生的原因。最后,采用互信息指数法进行敏感性分析,识别出敏感风险因素。结合国内建设项目的历史数据,将该方法应用于建设项目安全风险管理的实践。结果表明:施工风险概率为3.36%;施工中存在的安全隐患不及时解决是最大的风险因素。
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引用次数: 0
EMG Feature Extractions for Upper-Limb Functional Movement During Rehabilitation 康复过程中上肢功能运动的肌电特征提取
Mohd Saiful Hazam Majid, W. Khairunizam, A. Shahriman, I. Zunaidi, B. N. Sahyudi, M. Zuradzman
Rehabilitation is important treatment for post stroke patient to regain their muscle strength and motor coordination as well as to retrain their nervous system. Electromyography (EMG) has been used by researcher to enhance conventional rehabilitation method as a tool to monitor muscle electrical activity however EMG signal is very stochastic in nature and contains some noise. Special technique is yet to be researched in processing EMG signal to make it useful and effective both to researcher and to patient in general. Feature extraction is among the signal processing technique involved and the best method for specific EMG study needs to be applied. In this works, nine feature extractions techniques are applied to EMG signals recorder from subjects performing upper limb rehabilitation activity based on suggested movement sequence pattern. Three healthy subjects perform the experiment with three trials each and EMG data were recorded from their bicep and deltoid muscle. The applied features for every trials of each subject were analyzed statistically using student T-Test their significant of p-value. The results were then totaled up and compared between the nine features applied and Auto Regressive coefficient (AR) present the best result and consistent with each subjects' data. This feature will be used later in our future research work of Upper-limb Virtual Reality Rehabilitation.
康复治疗是脑卒中后患者恢复肌肉力量和运动协调以及神经系统再训练的重要治疗手段。肌电图(Electromyography, EMG)作为一种监测肌肉电活动的工具,已被研究人员用来加强传统的康复方法,但肌电图信号具有很大的随机性,并且含有一些噪声。肌电信号的处理技术还有待研究,以使其对研究人员和患者都有用和有效。特征提取是所涉及的信号处理技术之一,需要应用最适合具体肌电研究的方法。在本研究中,基于建议的运动序列模式,将九种特征提取技术应用于上肢康复活动受试者的肌电信号记录器。3名健康受试者分别进行3次实验,记录肱二头肌和三角肌肌电图数据。每个受试者的每个试验的应用特征采用学生t检验其p值显著性进行统计分析。将所应用的9个特征的结果进行汇总比较,得出自回归系数(Auto Regressive coefficient, AR)为最佳结果,且与每个受试者的数据一致。这一特点将在我们以后的上肢虚拟现实康复研究工作中得到应用。
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引用次数: 8
Analysis of Brain Waves for Detecting Behaviors 用于行为检测的脑电波分析
Sumin Jin, Yungcheo l Byun, Sangyong Byun
Applications and services using brain waves have high possibilities in the near future. Especially, deep learning for pattern recognition is highly applicable in the area. In this research, we propose a method to recognize human behaviors using human bio-signal, that is, brain waves. EEG brain wave data is collected using a headset device and is used for training and testing CNN and LSTM which are considered as successful deep neural networks nowadays. From the experiment, we could get positive recognition rates and applicability for various kinds of applications using our proposed methods.
在不久的将来,使用脑电波的应用和服务具有很高的可能性。特别是,深度学习模式识别在该领域具有很高的应用价值。在这项研究中,我们提出了一种利用人类生物信号,即脑电波来识别人类行为的方法。利用头戴式设备采集EEG脑电波数据,用于训练和测试CNN和LSTM这两种目前被认为是成功的深度神经网络。实验结果表明,本文提出的方法具有较高的识别率和适用性。
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引用次数: 2
Food Image Classification with Convolutional Neural Network 基于卷积神经网络的食物图像分类
Md. Tohidul Islam, B.M. Nafiz Karim Siddique, S. Rahman, T. Jabid
In our paper we tried to classify food images using convolutional neural network. Convolutional neural network extracts spatial features from images so it is very efficient to use convolutional neural network for image clasification problem. Recently people are sharing food images in social media and writing review on food. So there is a lot of food image in the social media but some image may not be labeled. It will be very helpful for restaurants if they can advertise their food to those people who is looking similar kind of foods they offer. Food classification system can help social media platform to identify food. Food classification system can enable an opportunity for social media platform to offer advertisement service for restaurants and beverage companies to their targeted users. It will be financially beneficial for both social media platform and beverage companies. Food classification is very difficult task because there is high variance in same category of food images. We developed a convolutional neural network model to classify food images in food-11 dataset. We also used a pre-trained Inception V3 convolutional neural network model to classify food images.
在我们的论文中,我们尝试使用卷积神经网络对食物图像进行分类。卷积神经网络从图像中提取空间特征,因此使用卷积神经网络进行图像分类是非常有效的。最近,人们在社交媒体上分享美食图片,并撰写美食评论。社交媒体上有很多食物图片,但有些图片可能没有标签。这将是非常有帮助的餐馆,如果他们可以宣传他们的食物,那些人看起来像他们提供的食物。食品分类系统可以帮助社交媒体平台识别食品。食品分类系统可以为社交媒体平台提供机会,为餐馆和饮料公司向目标用户提供广告服务。这对社交媒体平台和饮料公司都是有利的。食物分类是一项非常困难的任务,因为同一类别的食物图像存在很大的差异。我们开发了一个卷积神经网络模型来对food-11数据集中的食物图像进行分类。我们还使用预训练的Inception V3卷积神经网络模型对食物图像进行分类。
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引用次数: 25
An Automatic Stimulus and Synchronous Tracking System for Strabismus Assessment based on Cover Test 基于Cover试验的斜视自动刺激同步跟踪系统
Yang Zheng, Hong Fu, Bin Li, W. Lo, Bin Li
Strabismus is a common vision disorder that affects around 4% of the population, bringing about unpleasant influences on people's health and quality of life. The cover test is one of the exams for detecting this pathology, which is considered as the golden standard method. However, the subjectivity of the ophthalmologist conducting the cover test could lead to uncertainties and limitations to the result of strabismus assessment. Nowadays computer-aid methods have been used to assist ophthalmological diagnosis and therapy, whereas the development and use of the high-tech is not a general reality within the sub-specialty of strabismus. In this study, an automatic stimulus module controlled by the micro-control-unit is used to generate the cover action of the occluder and the imaging devices are used to simultaneously monitor and record the movement of the eyes. With the proposed system and algorithm, the presence and type of strabismus can be generated automatically, which makes the diagnosis of strabismus objective, automatic and highly efficient.
斜视是一种常见的视力障碍,影响了约4%的人口,给人们的健康和生活质量带来了不愉快的影响。覆盖测试是检测这种病理的一种测试,被认为是黄金标准方法。然而,眼科医生进行覆盖测试的主观性可能导致斜视评估结果的不确定性和局限性。目前,计算机辅助方法已被用于辅助眼科诊断和治疗,然而,在斜视亚专科中,高科技的发展和使用并不是普遍的现实。在本研究中,通过微控单元控制的自动刺激模块产生遮挡器的遮挡动作,同时使用成像设备监测和记录眼睛的运动。该系统和算法能够自动生成斜视的存在和类型,使斜视诊断客观、自动、高效。
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引用次数: 7
Expression profile of HIP1R in B-cell subsets and in silico prediction of its functions in diffuse large B-cell lymphoma HIP1R在b细胞亚群中的表达谱及其在弥漫性大b细胞淋巴瘤中的功能的计算机预测
Kah Keng Wong, A. Banham
Huntingtin-interacting protein 1 (HIP1R) is an endocytic protein involved in endocytosis of surface receptors by regulating actin polymerization. We have previously shown that HIP1R was expressed in lymphoid B cells and diffuse large B-cell lymphoma (DLBCL) associated with better survival. Herein, we examined the expression profile of HIP1R in different immune cell populations and its potential functions in DLBCL. By utilizing a validated anti-HIP1R monoclonal antibody (clone 44), we examined whether the following immune cells in human reactive tonsils expressed HIP1R through double immunostaining: T cells (CD3+), macrophages (CD68+), mantle zone (MZ) B cells (PAX5+), germinal centre (GC) B cells (BCL6+) and plasma cells (IRF4/MUM1+). HIP1R was strongly expressed in PAX5+ MZ B cells, moderately expressed in BCL6+ GC B cells, but absent in CD3+ T cells, CD68+ macrophages and IRF4/MUM1+ plasma cells. In particular, we observed that HIP1R was absent in IRF4/MUM1+ plasma cells residing within the GC or non-GC interfollicular regions, suggesting that IRF4/MUM1 might downregulate HIP1R expression in activated B cells. We have previously shown that HIP1R expression is directly suppressed by the transcription factor FOXP1 in activated B-cell-like diffuse large B-cell lymphoma (ABC-DLBCL) cells, however FOXP1 is absent in normal plasma cells, suggesting the presence of other regulators. Our previous immunostaining results in a series of DLBCL patient cases (n=155) showed a significant inverse correlation between HIP1R and IRF4/MUM1 (Pearson r = −0.495; p < 0.001). Indeed, knockdown of IRF4/MUM1 expression in the ABC-DLBCL cell line OCI-LY3 by two independent IRF4 siRNA constructs increased HIP1R expression at both transcript and protein levels. In terms of functional relevance, the bioinformatics approach Gene Set Enrichment Analysis (GSEA) was adopted to examine gene sets positively-associated with HIP1R transcript expression profile in three independent gene expression profiling (GEP) datasets of DLBCL patient cases derived from Gene Expression Omnibus database i.e. GSE10846 (n=233), GSE23501 (n=63), and GSE19246 (n=59). Our GSEA results showed that the gene set �Rho GTPase Activator Activity� (GO ID:0005100) was significantly positively-associated with HIP1R expression profile across all three GEP datasets GSE10846 (p = 0.0016), GSE23501 (p < 0.0001) and GSE19246 (p = 0.0167). These results suggest that HIP1R is involved in the activation of Rho GTPase signaling pathway, which has been documented to inhibit migration of DLBCL cells, and HIP1R expression is suppressed by transcription factors involved in B-cell activation including FOXP1 and IRF4/MUM1.
亨廷顿蛋白相互作用蛋白1 (HIP1R)是一种内吞蛋白,通过调节肌动蛋白聚合参与表面受体的内吞作用。我们之前已经证明HIP1R在淋巴样B细胞和弥漫性大B细胞淋巴瘤(DLBCL)中表达与更好的生存率相关。在此,我们研究了HIP1R在不同免疫细胞群中的表达谱及其在DLBCL中的潜在功能。利用已验证的抗HIP1R单克隆抗体(克隆44),我们通过双免疫染色检测了人类反应性扁桃体中以下免疫细胞是否表达HIP1R: T细胞(CD3+)、巨噬细胞(CD68+)、套区(MZ) B细胞(PAX5+)、生发中心(GC) B细胞(BCL6+)和浆细胞(IRF4/MUM1+)。HIP1R在PAX5+ MZ B细胞中强烈表达,在BCL6+ GC B细胞中中等表达,但在CD3+ T细胞、CD68+巨噬细胞和IRF4/MUM1+浆细胞中不表达。特别是,我们观察到位于GC或非GC滤泡间区的IRF4/MUM1+浆细胞中缺乏HIP1R,这表明IRF4/MUM1可能下调了激活B细胞中HIP1R的表达。我们之前的研究表明,在活化的b细胞样弥漫大b细胞淋巴瘤(ABC-DLBCL)细胞中,转录因子FOXP1直接抑制HIP1R的表达,但FOXP1在正常浆细胞中不存在,这表明存在其他调节因子。我们之前在一系列DLBCL患者病例(n=155)中的免疫染色结果显示,HIP1R和IRF4/MUM1之间存在显著的负相关(Pearson r = - 0.495;P < 0.001)。事实上,在ABC-DLBCL细胞系OCI-LY3中,通过两种独立的IRF4 siRNA构建物敲低IRF4/MUM1表达,可以在转录物和蛋白水平上增加HIP1R的表达。在功能相关性方面,采用生物信息学方法基因集富集分析(GSEA),在来自Gene expression Omnibus数据库的三个独立基因表达谱(GEP)数据集中,即GSE10846 (n=233)、GSE23501 (n=63)和GSE19246 (n=59)中检测与HIP1R转录物表达谱正相关的基因集。我们的GSEA结果显示,基因集“Rho GTPase Activator Activity”(GO ID:0005100)在所有三个GEP数据集GSE10846 (p = 0.0016)、GSE23501 (p < 0.0001)和GSE19246 (p = 0.0167)中与HIP1R表达谱显著正相关。这些结果表明,HIP1R参与激活Rho GTPase信号通路,抑制DLBCL细胞的迁移,并且HIP1R的表达被包括FOXP1和IRF4/MUM1在内的参与b细胞激活的转录因子抑制。
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引用次数: 0
Face Recognition Based on Windowing Technique Using DCT, Average Covariance and Artificial Neural Network 基于DCT、平均协方差和人工神经网络加窗技术的人脸识别
Divya A, K. Raja, V. R.
The field of Face Recognition (FR) is still a thought-provoking problem, while in recent advances of Artificial Neural Networks (ANN) has shown improved performance in FR rate. In this paper, we propose face recognition based on windowing technique using Discrete Cosine Transform (DCT), average covariance and ANN. The novel concept of windowing technique is used to divide each image to $mathbf{4x4},mathbf{8X8}$ and $mathbf{16X16}$ size of windows. The DCT is applied on each window to obtain DCT co-efficients. The covariance matrix is computed on each DCT coefficient matrix and average value of each block is also computed to obtain final feature value. The computation of an average covariance reduces the original size of face image by around 97% i.e., the number of co-efficients in the final feature set is only around 3% of the original size of an image. The proposed method is very efficient in identifying with very less number of features. Network is created and trained the input dataset and target dataset to reach the desired output. The trained net is then tested to compute performance parameters of the network. The experiments are conducted on some popularly used face databases to illuminate the performance and the efficiency of the proposed algorithm. The experimental results are tabulated and are compared with the existing methods. It is observed that, the proposed model achieves better recognition accuracy for $mathbf{16X16}$ windowing and also with existing algorithms.
人脸识别领域仍然是一个发人深省的问题,而近年来人工神经网络(ANN)在人脸识别率方面取得了长足的进步。本文采用离散余弦变换、平均协方差和人工神经网络,提出了一种基于窗口技术的人脸识别方法。采用新颖的窗口技术概念,将每张图像划分为$mathbf{4x4}、$ mathbf{8X8}$和$mathbf{16X16}$窗口大小。对每个窗口进行离散余弦变换,得到离散余弦变换系数。在每个DCT系数矩阵上计算协方差矩阵,并计算每个块的平均值,从而得到最终的特征值。平均协方差的计算将人脸图像的原始尺寸减小了约97%,即最终特征集中的系数数量仅为图像原始尺寸的3%左右。所提出的方法在特征数量很少的情况下具有很高的识别效率。网络被创建并训练输入数据集和目标数据集以达到期望的输出。然后对训练好的网络进行测试,以计算网络的性能参数。在一些常用的人脸数据库上进行了实验,验证了该算法的性能和效率。将实验结果制成表格,并与现有方法进行了比较。观察到,该模型在$mathbf{16X16}$窗口下以及与现有算法相比都具有更好的识别精度。
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引用次数: 2
Rapid Human Body Detection in Disaster Sites Using Image Processing from Unmanned Aerial Vehicle (UAV) Cameras 基于无人机相机图像处理的灾害现场快速人体检测
Mbaitiga Zacharie, Satoshi Fuji, Shimoji Minori
The development and impact of technology on our everyday lives cannot be compared with the world our ancestors lived in several decades ago. This is described as the world of technology (WoT). But despite all the advancements in technologies, understanding of the mechanisms of nature and the damages caused via natural disasters, such as earthquakes, landslides, and flooding to mention only a few, are still very far away. In the effort of saving lives during natural disasters, such as earthquakes, this study introduces a rapid human body detection using image processing from UAV camera. The skin color from a female student is first extracted in RGB then converted to HSV. Next, opening and closing morphological operations are performed eight times each to remove all noise present in the image. Experimental tests were performed both indoor and outdoor, where the female student presented an object close and far to the camera to check the detection capability in both cases. The experiment results show that close or far, the camera can clearly detect both a human body and any part of a human body. The results of the experiment proves the merit of the proposed method.
科技对我们日常生活的发展和影响是无法与我们祖先几十年前生活的世界相比的。这就是所谓的科技世界(WoT)。但是,尽管技术进步了,但对自然机制和自然灾害(如地震、山体滑坡和洪水等)造成的损害的理解仍然很遥远。为了在地震等自然灾害中拯救生命,本研究介绍了一种利用无人机相机图像处理的快速人体检测方法。首先提取女学生的肤色为RGB,然后转换为HSV。接下来,打开和关闭形态学操作各执行8次,以消除图像中存在的所有噪声。实验测试分别在室内和室外进行,女学生将物体靠近和远离相机,以检查两种情况下的检测能力。实验结果表明,无论远近,摄像机都能清晰地检测到人体和人体的任何部位。实验结果证明了该方法的优越性。
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引用次数: 16
Prediction of Visitors using Machine Learning 使用机器学习预测访客
Kyoungho Son, Yungcheo l Byun, Sang-Joon Lee
With the advance of machine learning and deep learning, lots of applications have been implemented so far. Prediction is one of them, which has been drawing lots of interests from researchers. In this paper, we implemented the method to predict visitors in a certain tourism place using machine learning. From our experiments, we could get some positive results showing its applicability in a real environment.
随着机器学习和深度学习的发展,到目前为止已经实现了许多应用。预测就是其中之一,它已经引起了许多研究人员的兴趣。在本文中,我们利用机器学习实现了预测某一旅游地点游客的方法。通过实验,我们得到了一些积极的结果,表明了该方法在实际环境中的适用性。
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引用次数: 0
期刊
2018 International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS)
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