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2020 5th International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS)最新文献

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The predominant functional connections of recognizing fear and surprise expression: a MEG study 识别恐惧和惊讶表情的主要功能联系:脑磁图研究
Pub Date : 2020-11-18 DOI: 10.1109/iciibms50712.2020.9336202
Yang Tan, Ke Zhao, Tong Chen
Facial expression, powerful non-verbal signals, contains abundant personal information and social communication information. Accurately identifying these signals is critical to the success of interpersonal communication. Studies have shown that both children and adults tend to confuse surprise with fear rather than sadness, anger, or disgust. However, the studies of fear and surprise expression recognition using network pattern based on MEG is only a few. In this study, we monitored the brain activity of 6 subjects as they perform a recognition task of fear and surprise, and subsequently constructed a network of brain functional connections. By using rank sum test and random forest, the most discriminative and representative 6 FCs from 2278 FCs were selected. The group of these 6 FCs can give a best prediction performance of 78.56%. Additionally, we also found that people tend to refer to surprise as fear when distinguishing between fear and surprise.
面部表情是一种强有力的非语言信号,蕴含着丰富的个人信息和社会交际信息。准确识别这些信号对人际交往的成功至关重要。研究表明,儿童和成人都倾向于将惊讶与恐惧混淆,而不是悲伤、愤怒或厌恶。然而,基于脑磁图的网络模式对恐惧和惊讶表情识别的研究还不多。在这项研究中,我们监测了6名受试者在执行恐惧和惊讶识别任务时的大脑活动,并随后构建了一个大脑功能连接网络。采用秩和检验和随机森林方法,从2278个fc中选择最具判别性和代表性的6个fc。这6个FCs组的最佳预测性能为78.56%。此外,我们还发现,在区分恐惧和惊讶时,人们倾向于将惊讶称为恐惧。
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引用次数: 1
A Phonological Control Method on A Speech Compensation System for Dysarthria Using A Standardized Space 基于标准化空间的构音障碍语音补偿系统的语音控制方法
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336404
Yukinori Hetsugi, Tadashi Sakata, Y. Ueda
We have developed a speech compensation system for dysarthria. The system aims at improving the phonological properties of vowels without losing speaker individuality. We propose a method for phonological control of vowels using a standardized space to control vowels in the normalized articulation space, normalized for speaker individuality. The method maps an original dysarthric speaker's normalized articulation space to a standardized space, then from the standardized space to the target speaker's normalized articulation space assuming normality to improve the phonological properties of vowels. We confirm phonological control of vowels by performing a processing simulation, comparison different target speakers and a processing simulation using a dummy original speaker as a dysarthria.
我们开发了一种针对构音障碍的语音补偿系统。该系统旨在提高元音的语音特性,同时又不失说话者的个性。我们提出了一种元音语音控制方法,使用标准化空间来控制标准化发音空间中的元音,并根据说话者的个性进行标准化。该方法将原始发音困难者的标准化发音空间映射到标准化空间,然后从标准化空间到目标说话者的标准化发音空间,假设正态性,以改善元音的语音特性。我们通过进行处理模拟,比较不同的目标说话者和使用虚拟原始说话者作为构音障碍的处理模拟来确认元音的语音控制。
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引用次数: 0
Graph Convolution Network with Double Filter for Point Cloud Segmentation 基于双滤波器的点云分割图卷积网络
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336424
Wenju Li, Qianwen Ma, Wenchao Tian, Xinyuan Na
To solve the problem of information loss caused by point cloud segmentation using voxels. A method of transforming point cloud into graph data and using double filter graph convolution network for segmentation is proposed. The first filter is for point clouds to reduce the number of nodes in the graph. Considering the feature as a signal, the convolution is defined in the spectral domain using a Laplacian matrix, and the Chebyshev polynomial is used to reduce the computational complexity of the matrix decomposition. The second filter is a low-pass filter for the Chebyshev polynomial, which reduce the computation. Finally, the 2D data is detected using CNN to optimizes the segmented result. Experiments were performed on the ShapeNet dataset to demonstrate the efficiency of the method.
为了解决使用体素分割点云带来的信息丢失问题。提出了一种将点云转化为图数据并利用双滤波图卷积网络进行分割的方法。第一个过滤器用于点云,以减少图中的节点数量。将特征视为信号,利用拉普拉斯矩阵在谱域中定义卷积,并利用切比雪夫多项式降低矩阵分解的计算复杂度。第二个滤波器是切比雪夫多项式的低通滤波器,减少了计算量。最后,利用CNN对二维数据进行检测,优化分割结果。在ShapeNet数据集上进行了实验,验证了该方法的有效性。
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引用次数: 3
Modelling of the flux in the brain lymphatic vessels using the Barenblatt-Pattle solution 用Barenblatt-Pattle溶液模拟脑淋巴管的流量
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336414
A. Lavrova, E. Postnikov
We have used a novel approach to describe pulse flux in the brain lymphatic vessel applying a mathematical analogy to the Barenblatt-Pattle solution of the non-linear diffusion equation that describes gas spreading in porous medium. Such simple mathematical model simulates adequately pulse motion leading to the initial increase of the transversal vessel deformation with following slow lateral distribution. Such approach allows to explain the high velocity motion of the compounds in the brain lymnhatic system.
我们使用了一种新的方法来描述脑淋巴管中的脉冲通量,应用数学类比来描述气体在多孔介质中扩散的非线性扩散方程的Barenblatt-Pattle解。这种简单的数学模型充分模拟了脉冲运动,导致血管横向变形的初始增加,随后缓慢的横向分布。这种方法可以解释化合物在脑淋巴系统中的高速运动。
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引用次数: 2
Research And Implementation Of Facialnet Based On Convolutional Neural Network 基于卷积神经网络的人脸网络的研究与实现
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336389
Y. Liu, Jinpeng Ren, Chunya Wang, Xinxin Yuan
Deep learning, artificial intelligence and other cutting-edge technologies are constantly being integrated into people's daily lives. Even small vending machines that can be seen everywhere in life have begun to use facial payment methods. The detection and recognition of face images is no longer unattainable, but the analysis and recognition of face information and characteristics (gender, age, race, etc.) is still not fully mature, in order to improve the accuracy of face information recognition In this paper, a face information recognition model is designed. The feature extraction part uses an eight-layer convolutional neural network, and then uses two fully connected modules as the classifiers for gender recognition and age recognition. The experimental results show that the model uses the advantages of the convolutional neural network so that the model can predict the gender and age of the face more accurately.
深度学习、人工智能等前沿技术不断融入人们的日常生活。即使是生活中随处可见的小型自动售货机,也开始使用面部支付方式。人脸图像的检测与识别已不再高不可攀,但对人脸信息及特征(性别、年龄、种族等)的分析与识别仍未完全成熟,为了提高人脸信息识别的准确性,本文设计了一个人脸信息识别模型。特征提取部分使用八层卷积神经网络,然后使用两个全连接模块作为分类器进行性别识别和年龄识别。实验结果表明,该模型利用了卷积神经网络的优点,使模型能够更准确地预测人脸的性别和年龄。
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引用次数: 0
A System of Clothing Boundary Recognition Using Machine Learning For Life Support Robots 基于机器学习的生命维持机器人服装边界识别系统
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336200
Hanqing Zhao, Hidetaka Nambo
Machine learning and image processing are widely used in various fields, such as, robot vision, object recognition, and automated driving technology. This paper is, the use of cameras to acquire image information, and machine learning methods to analyze and identify the edge boundaries of clothes in the Difficulty in putting on and taking off clothes in the elderly and some patients, especially when going to the toilet. Then, clothing boundary recognition and assistive robots can ameliorate these problems by distinguishing where the edges of the pants are so that they can Determine the position of the waistband of the trousers, and perform dressing and undressing assistance work. The ultimate goal of this research is to be able to apply it to the system control of the clothing donning and doffing device.
机器学习和图像处理广泛应用于各个领域,如机器人视觉、物体识别、自动驾驶技术等。本文是利用摄像头获取图像信息,结合机器学习的方法,对老年人和部分患者,特别是如厕时的穿衣脱衣服困难进行服装边缘边界的分析和识别。然后,服装边界识别和辅助机器人可以通过识别裤子边缘的位置来改善这些问题,从而确定裤子腰带的位置,并进行穿衣和脱衣服的辅助工作。本研究的最终目标是将其应用于服装穿落装置的系统控制。
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引用次数: 0
Comparison of classification performance of handpicked, handcrafted and automated-features for fNIRS-BCI system fNIRS-BCI系统精选、手工和自动特征分类性能的比较
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336392
Caleb Jones Shibu, Sujesh Sreedharan, A. Km, C. Kesavadas
In this paper, we have assessed and investigated the classification accuracies of three different techniques to classify functional near-infrared spectroscopy (fNIRS) signals. Signals were extracted from the motor cortex of the brain using a continuous wave multichannel imaging system. The acquired signals were filtered for noise and converted to oxygenated- and deoxygenated- hemoglobin using modified Beer-Lambert law. From the hemodynamic responses statistical features like slope, mean, skewness, kurtosis, peak and variance were extracted, this was trained on a machine learning classifier giving a classification accuracy of 60.66% for support vector machine (SVM) and 57.22% for k nearest neighbor (KNN), likewise from the hemodynamic response we extracted principal component analysis (PCA) vectors and independent component analysis (ICA) vectors, this along with statistical features were trained on the same SVM and KNN classifier yielding a classification accuracy of 71.4% and 71.8% respectively. Instead of handpicking or handcrafting features, if we let deep learning models, in our case, convolutional neural network (CNN) and long short-term memory (LSTM), choose the features and classify them, they gave a jump of 25% accuracy to over 95% for both architectures.
本文对三种不同的功能近红外光谱(fNIRS)信号分类技术的分类精度进行了评估和研究。使用连续波多通道成像系统从大脑的运动皮层提取信号。采集到的信号经噪声滤波后,利用修正的比尔-朗伯定律转换为氧合血红蛋白和脱氧血红蛋白。从血流动力学响应中提取斜率、平均值、偏度、峰度、峰值和方差等统计特征,在机器学习分类器上进行训练,支持向量机(SVM)的分类准确率为60.66%,k近邻(KNN)的分类准确率为57.22%,同样从血流动力学响应中提取主成分分析(PCA)向量和独立成分分析(ICA)向量。在相同的SVM和KNN分类器上训练统计特征,分类准确率分别为71.4%和71.8%。如果我们让深度学习模型(在我们的例子中是卷积神经网络(CNN)和长短期记忆(LSTM))选择特征并对它们进行分类,而不是手工挑选或手工制作特征,它们将两种架构的准确率从25%提高到95%以上。
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引用次数: 1
Fault Diagnosis of LLC Converter Controlled by Fractional Order $PI^{lambda}D^{mu}$ under Fault Tree 分数阶$PI^{lambda}D^{mu}$故障树控制LLC变换器的故障诊断
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336201
Ming Li, Jian-Kun Lu
A fault diagnosis method based on fractional order PI D control LLC converter is proposed. The main content is to apply the fault tree meth-od to the converter and analyze its fault. First set the LLC converter fault that may occur, select the top events, intermediate and bottom events, and then establish LLC converter fault tree, using the circuit principle analysis and MATLAB simulation, and with the LLC converter under normal working condition of output voltage value comparison, finally, LLC, fault analysis, fault tree to determine the middle and bottom events, so as to find out the LLC converter failure. The comparison of output voltage value through LLC converter not only has faster diagnostic speed, but also has low false diagnosis rate and strong robustness, which plays a very important role in ensuring the normal operation of LLC converter.
提出了一种基于分数阶PI - D控制LLC变换器的故障诊断方法。主要内容是将故障树方法应用于变换器的故障分析。首先设置LLC变换器可能发生的故障,选择上层事件、中间事件和下层事件,然后建立LLC变换器故障树,利用电路原理分析和MATLAB仿真,并与LLC变换器正常工作状态下的输出电压值进行比较,最后对LLC变换器进行故障分析,确定中层事件和下层事件,从而找出LLC变换器故障。通过LLC变换器对输出电压值进行比较,不仅诊断速度快,而且误诊率低,鲁棒性强,对保证LLC变换器的正常运行起着非常重要的作用。
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引用次数: 0
Forecast of air temperature based on BP neural network 基于BP神经网络的气温预报
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336425
ZhengCun Jiang, Wenping Jiang
The change of temperature is closely related to people's life, and the drastic change of the next day's temperature will affect people's normal life, so it is very important to accurately predict the next day's temperature. Information fusion technology is a process of automatic analysis and comprehensive processing of multi-source information in order to complete the required decision-making and evaluation tasks. BP neural network is one of the information fusion algorithms, which can predict the data collected by various sensors. Therefore, the data collected by Canberra sensor, such as maximum temperature, minimum temperature, rainfall and maximum wind speed, are processed, and the BP neural network is constructed to predict the maximum and minimum temperature of the next day. The experimental results show that this method can well predict the maximum and minimum temperature of the next day.
气温的变化与人们的生活密切相关,第二天气温的剧烈变化会影响人们的正常生活,因此准确预测第二天的气温是非常重要的。信息融合技术是为了完成所需的决策和评估任务,对多源信息进行自动分析和综合处理的过程。BP神经网络是一种信息融合算法,可以对各种传感器采集的数据进行预测。因此,对堪培拉传感器采集到的最高气温、最低气温、降雨量、最大风速等数据进行处理,构建BP神经网络预测次日的最高气温和最低气温。实验结果表明,该方法能较好地预测次日的最高和最低气温。
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引用次数: 0
A Study on Smart Home Voice Control Terminal 智能家居语音控制终端的研究
Pub Date : 2020-11-18 DOI: 10.1109/ICIIBMS50712.2020.9336397
Hongbo Hao, F. Dai, Dejin Wang
With the development of the smart home, people are not only satisfied to control the home appliances and lights remotely by pressing the button. If people can make full use of voice as the most effective way to communicate information, it will make the smart home more convenient in control. This paper describes the ARM microprocessor, speech recognition chip, voice broadcast module, and NRF24L01 wireless transceiver module. The voice control system of smart home, which is composed of sensor detection and other main modules, is different from the mainstream smart home control products in the market, such as Xiaomi Intelligent Audio. Its input device is portable wearable. When it is used, what you do is only to touch the button to start the recognition mode. Most importantly, it includes the function of voice broadcast so that it can let users achieve simple interaction.
随着智能家居的发展,人们已经不仅仅满足于通过按键远程控制家电和灯光。如果人们能够充分利用语音这一最有效的信息交流方式,将会使智能家居在控制上更加便捷。本文介绍了ARM微处理器、语音识别芯片、语音广播模块和NRF24L01无线收发模块。智能家居的语音控制系统,由传感器检测等主要模块组成,不同于市场上主流的智能家居控制产品,如小米智能音响。它的输入设备是便携式可穿戴的。使用时,只需触摸按钮即可启动识别模式。最重要的是,它包含了语音广播的功能,可以让用户实现简单的交互。
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引用次数: 0
期刊
2020 5th International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS)
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