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Finger Motion Estimation Based on Sparse Multi-Channel Surface Electromyography Signals Using Convolutional Neural Network 基于稀疏多通道面肌电信号的卷积神经网络手指运动估计
K. Asai, Norio Takase
This paper presents a finger motion estimation based on sparse multi-channel surface electromyography (sEMG) signals using a convolutional neural network (CNN). Although classification with CNNs has achieved high accuracy in gesture recognition, the most cases use a high-density sEMG as the signal acquisition method, which is problematic because this requires many sensors for measuring sEMG signals, resulting in high costs. We therefore propose estimating the finger motion with a sparse multi-channel sEMG method using ring-shaped sensors. The finger motion estimation is performed by classifying images generated from the amplitude variations of sEMG signals, and the image classification is achieved with a simple CNN model featuring two pairs of convolutional and pooling layers and two fully connected layers. Experimental results showed that the test accuracy reached 90% in classifying sEMG signals into four types: thumb opened, thumb closed, fingers (excluding thumb) opened, and fingers (excluding thumb) closed.
本文提出了一种基于卷积神经网络(CNN)稀疏多通道表面肌电信号的手指运动估计方法。虽然cnn分类在手势识别中取得了很高的准确率,但大多数情况下使用高密度的表面肌电信号作为信号采集方法,这是一个问题,因为这需要许多传感器来测量表面肌电信号,导致成本高。因此,我们提出了一种使用环形传感器的稀疏多通道表面肌电信号方法来估计手指运动。通过对表面肌电信号振幅变化产生的图像进行分类来进行手指运动估计,图像分类采用简单的CNN模型,该模型具有两对卷积池化层和两个完全连接层。实验结果表明,将表面肌电信号分为大拇指张开、大拇指闭合、手指(不含拇指)张开和手指(不含拇指)闭合四种类型,测试准确率达到90%。
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引用次数: 4
Parametrized Garment Pattern Manipulation for the Men's Suit 男装服装图案的参数化处理
Wonseop Lee, Hyeongseok Ko
The method for making men's suits has long been established and developed manually. Starting from measuring the customer's body size, tailor drafts the garment patterns and construct then into suit model. With the advance of machine, most of suit making processes have been automatized. However, drafting garment pattern still remains in the manual work. This paper proposes the parameterized garment drafting system for the men's suit utilizing only 5 body sizes. Once user provides required 5 body sizes to the proposed system, garment patterns are generated automatically. After passing through the positioning and sewing process, 2D garment patterns are converted to the 3D garment model. The 3D garment model would be draped on the virtual body model using physically-based simulation. The fitting evaluation would be performed to check the suitability of draped garment. If there were implausible result, then it is required to modify the garment to reduce the implausibility. To modify the fit of the men's suit, this paper proposes pattern modification method using secondary parameters.
制作男式西装的方法早已由手工建立和发展起来。裁缝从测量顾客的体型开始,绘制出服装的图案,然后制作成西装模型。随着机器的进步,大部分西服制作过程已实现自动化。然而,服装图案的绘制仍然是手工工作。本文提出了一种仅利用5种体码的男子服装参数化牵伸系统。一旦用户向系统提供所需的5个尺码,系统就会自动生成服装图案。通过定位和缝制过程,将二维服装图案转换为三维服装模型。3D服装模型将使用基于物理的仿真技术覆盖在虚拟身体模型上。将进行合身评估,以检查褶皱服装的适用性。如果有不可信的结果,那么就需要修改服装以减少不可信。为了修改男式西装的合身度,本文提出了利用二次参数修改花样的方法。
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引用次数: 2
Dynamic Fuzzy Inference System for Edge Detection of Stone Inscriptions 石刻边缘检测的动态模糊推理系统
Jie Song, Jie Wang, Shanshan Li
The identification of stone inscriptions is of great significance to the study of Chinese characters and the exploration of ancient history. The identification and analysis of the stone inscriptions can determine the age when they belong, and can help to study archeology. At present, many fuzzy edge detection methods have been proposed, but most of them use the static fuzzy inference system for edge detection. In order to obtain better results, the membership function must be changed according to the image information. Therefore, to overcome this drawback, we proposed fuzzy logic-based edge detection algorithm with dynamic generation of fuzzy interface system (FIS). The algorithm is compared with the existing algorithms (Sobel, canny), and better results are achieved.
石刻鉴定对汉字研究和古代史探索具有重要意义。对石刻碑文的鉴定和分析,可以确定其所属的年代,有助于考古学的研究。目前,已经提出了许多模糊边缘检测方法,但它们大多采用静态模糊推理系统进行边缘检测。为了获得更好的结果,必须根据图像信息改变隶属度函数。因此,为了克服这一缺点,我们提出了基于模糊逻辑的模糊接口系统动态生成(FIS)边缘检测算法。将该算法与现有算法(Sobel、canny)进行了比较,取得了较好的效果。
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引用次数: 1
Vote-based Iris Detection System 基于投票的虹膜检测系统
Tong-Yuen Chai, B. Goi, Y. Tay, Yik-Herng Khoo
Finding the accurate location of iris is crucial to some applications in biometrics, human computer interaction and medical research. The accuracy of the location will affect the outcome of following iris segmentation, features extraction and measurement, to name a few. This paper presents an accurate vote-based method to detect and localize both irises from color images. The algorithm starts with image filtering steps such as Gaussian filtering to reduce the effect of various lighting conditions. Then, iris candidates will be generated after the detection of reflection in iris. A cost will then be computed for each iris candidate according to the contribution from generic eye template, intensity variation factor, circularity factor and reflective factor. Finally, a pairing process is used to determine the real iris pair in order to locate both irises. Our experiment on Michigan database has reported a promising accuracy of 91.21%.
虹膜的准确定位对于生物识别、人机交互和医学研究等领域的应用至关重要。定位的准确性将影响接下来虹膜分割、特征提取和测量的结果,等等。本文提出了一种基于投票的彩色图像中两种虹膜的精确检测和定位方法。该算法从高斯滤波等图像滤波步骤开始,以减少各种光照条件的影响。然后,在检测到虹膜中的反射后,生成候选虹膜。然后根据通用眼模板、强度变化因子、圆度因子和反射因子的贡献计算每个候选虹膜的成本。最后,采用配对方法对真实虹膜对进行定位。我们在密歇根数据库上的实验结果表明,准确率为91.21%。
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引用次数: 3
Analyzing the Malnutrition Valuation on Legazpi City using Data Analytics 用数据分析方法分析黎格斯比市营养不良评价
R. N. Monreal, T. Palaoag
A Data analytics predictive analysis aids to unlock the knowledge of the decision maker in the development of the organization to addressing the malnutrition in implementing government projects in the City of Legazpi, Philippines. Malnutrition is one of the results of poverty in the country mostly the younger age Filipinos. The study aims to apply Data Analytics in analyzing the factor that affects its malnutrition. The researchers evaluated the parameters that have significant contribution in deciding malnutrition. The correlation of the parameters in deciding malnutrition and the level of malnutrition per barangay in the city were also determined. The Rural Health Unit of Legazpi City collects the demographic data of the resident per barangay in determining malnutrition in city. A Data Analytics tool was used in extracting, classifying, analyzing and evaluating data that may cause malnutrition in the city. In the results, it shows that the attribute location under the coastal area is more significant in determining the malnutrition in the city. From these findings, the correlation analysis of the data shows that the malnutrition in the city of Legazpi has decreased by 0.24% over-all. However, in the coastal area increases by 0.3%. It is also show in the prediction analysis that the coastal area is significant to the malnutrition. The paper will lead to the Local Government Unit in addressing the factor of malnutrition increase and implement programs which are actually needed in solving the problem.
数据分析预测分析有助于在组织发展过程中释放决策者的知识,从而在菲律宾黎牙实比市实施政府项目时解决营养不良问题。营养不良是该国贫困的后果之一,主要是年轻人。本研究旨在运用数据分析方法分析影响其营养不良的因素。研究人员评估了在决定营养不良方面有重要贡献的参数。还确定了决定营养不良的参数与城市每个村的营养不良水平的相关性。黎则斯比市农村保健处收集每个村居民的人口数据,以确定该市的营养不良情况。数据分析工具用于提取、分类、分析和评估可能导致城市营养不良的数据。结果表明,沿海地区以下的属性位置对城市营养不良的决定作用更为显著。根据这些发现,数据的相关分析表明,黎格斯比市的营养不良总体下降了0.24%。然而,在沿海地区增加了0.3%。预测分析也表明,沿海地区对营养不良有显著影响。本文将引导地方政府部门解决营养不良增加的因素,并实施解决问题所需的实际方案。
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引用次数: 0
Hybrid CNNs: A Rotation Equivariant Framework for High Resolution Spherical Images 混合cnn:高分辨率球面图像的旋转等变框架
Wei Yu, Daren Zha, Nan Mu, Tianshu Fu
With the prevalence of virtual reality, augmented reality and autonomous robots, the high resolution spherical images they produced make the standard convolutional neural networks (CNNs), which have been proven powerful on perspective images, non-trivial. The classic solution to utilize CNNs on spherical images is to project the spherical images onto plane and learning the planar images using conventional CNNs. But the distortion generated by the projection of spherical images to planar images invalidates the projection based models. Besides, these models are not robust to rotations which are the basic transformation of spherical images. Another type of solution based on spherical harmonics recently proposed by Cohen et al. [1] is rotation equivariant, but can't handle high resolution spherical images with its expensive computational cost. To process high resolution spherical images, we proposed the Hybrid CNNs. Our framework is both computationally efficient and rotation equivariant with two kinds of convolution operations defined in this paper. We compared our method with several baseline models in two classification tasks. The experimental results demonstrate the computational efficiency and rotation equivariance of the Hybrid CNNs.
随着虚拟现实、增强现实和自主机器人的普及,它们产生的高分辨率球面图像使标准卷积神经网络(cnn)变得不平凡,卷积神经网络在透视图像上已经被证明是强大的。在球面图像上使用cnn的经典解决方案是将球面图像投影到平面上,然后使用传统的cnn学习平面图像。但是球面图像到平面图像的投影所产生的畸变使基于投影的模型失效。此外,这些模型对旋转的鲁棒性较差,而旋转是球面图像的基本变换。Cohen等人[1]最近提出的另一种基于球面谐波的解决方案是旋转等变,但由于计算成本昂贵,无法处理高分辨率球面图像。为了处理高分辨率球面图像,我们提出了混合cnn。我们的框架具有计算效率和旋转等变性,文中定义了两种卷积操作。在两个分类任务中,我们将我们的方法与几个基线模型进行了比较。实验结果证明了混合cnn的计算效率和旋转等效性。
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引用次数: 0
Lingual and Acoustic Differences in EWE Oral and Nasal Vowels 英语口语和鼻音元音的语言和声学差异
Kowovi Comivi Alowonou, Jianguo Wei, Wenhuan Lu, Zhicheng Liu, K. Honda, J. Dang
It is an evidence that the production of nasal vowels involves not only the opening of the velopharyngeal port but also the lingual gesture variation. We tested the hypothesis that EWE speakers adjust tongue height to enhance the change in F1 due to the nasalization, by investigating simultaneously the physical configuration of the tongue and the acoustic output. It was found that EWE nasal vowels are produced with a higher and more forward tongue position than their oral counterparts, except /ẽ/ produced with a more retracted tongue position, and /õ/ produced with a lower and more retracted tongue position. We concluded that the lingual configuration of EWE nasal vowels differs from that of their oral congeners, enhancing the effect of the velum lowering on nasal vowels. Nevertheless, from the results, we suggested that the acoustic effects of nasalization on formants would not only depend on the adjustment of the tongue but a combination of multiples articulators.
这是一个证据,鼻元音的产生不仅涉及开放的腭咽口,而且还涉及舌手势的变化。我们通过同时研究舌头的物理结构和声音输出,验证了EWE扬声器调整舌头高度以增强因鼻化而引起的F1变化的假设。我们发现,EWE的鼻音元音比它们的口音元音发得更高、更前,除了/ / /发得更后缩的舌头位置,和/õ/发得更后缩的舌头位置。我们的结论是,EWE鼻元音的舌形不同于它们的口腔同系词,增强了鼻膜降低对鼻元音的影响。然而,从结果来看,我们认为鼻化对共振峰的声学影响不仅取决于舌头的调整,而且取决于多个发音器的组合。
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引用次数: 1
Embedding Based Cross-network User Identity Association Technology 基于嵌入的跨网络用户身份关联技术
Q. Miao, Lei Wang, Dingyang Duan, Xiaobo Guo, Xiang Li
With the prosperity of online social networks, more and more users have multiple social accounts at the same time in heterogeneous social networks. Associating the same user identity between different social networks is beneficial for applications such as across-network information diffusion and cross-domain recommendation. User identity association across distinct social networks is to find accounts belonging to the same user without knowing the real identity of the users. Most of the existing identity correlation methods, including supervised learning and unsupervised learning methods, only use user's entity information in social networks, such as user attribute information and content information, nevertheless the inherent structural information of the networks is not fully used, so their effectiveness is often sensitive to the high dimension and sparsity of feature spaces. In this paper, we propose a novel model, called EUIA, which employs network embedding method to learn two low-dimensional representations of nodes of the two original networks respectively. Besides, we learn a mapping function across the learned two low-dimensional spaces, supervised by observed anchor links, for further predicting. In addition, we propose an effective optimization program to improve the accuracy of the model. Through experiments on the dataset of Facebook, we prove that the proposed EUIA model performs much better in accuracy than other baseline methods in cross-network user identity association problem.
随着在线社交网络的蓬勃发展,越来越多的用户在异构社交网络中同时拥有多个社交账号。在不同的社交网络之间关联相同的用户身份,有利于跨网络信息传播和跨域推荐等应用。跨不同社交网络的用户身份关联是在不知道用户真实身份的情况下找到属于同一用户的帐户。现有的身份关联方法,包括有监督学习和无监督学习,大多只利用了社交网络中用户的实体信息,如用户属性信息、内容信息等,没有充分利用网络固有的结构信息,其有效性往往对特征空间的高维度和稀疏度敏感。本文提出了一种新的EUIA模型,该模型采用网络嵌入方法分别学习两个原始网络节点的两个低维表示。此外,我们学习了跨越两个低维空间的映射函数,由观察到的锚链接监督,以便进一步预测。此外,我们还提出了一种有效的优化方案来提高模型的精度。通过在Facebook数据集上的实验,我们证明了所提出的EUIA模型在跨网络用户身份关联问题上的准确率远高于其他基线方法。
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引用次数: 2
Food Image Recognition for Price Calculation using Convolutional Neural Network 基于卷积神经网络的食品图像识别价格计算
Md. Jan Nordin, Ooi Wei Xin, Norshakirah Aziz
This project is attempting to solve the issue of unfair and inconsistent food price being charged in economy rice or mixed rice that widely seen in the café of hawker stall in Malaysia. The main cause of the problem is the absence of standardized price list of the food which causes the pricing of the mixed rice remains unknown. Hence, the authors had decided to propose this project by utilizing convolutional neural network (CNN) algorithm and develop a web application to ease the vendor as well as to provide transparency to the buyer on the food price being charged. CNN model is trained to classify the different types of food. The food price will be stored in a database of the web application in order to calculate the food price with the recognized food in the machine learning model. The outcome of this project is a customized web application for Village 3 Café, UTP with a trained CNN classification model at the backend.
这个项目试图解决在马来西亚小贩摊位的咖啡馆中普遍存在的经济米或混合米的食品价格不公平和不一致的问题。造成这一问题的主要原因是由于没有统一的食品价目表,导致混合大米的价格一直不明。因此,作者决定利用卷积神经网络(CNN)算法提出这个项目,并开发一个web应用程序,以减轻供应商的负担,并向买方提供所收取的食品价格的透明度。训练CNN模型对不同类型的食物进行分类。食品价格将存储在web应用程序的数据库中,以便在机器学习模型中使用识别的食品计算食品价格。该项目的结果是为Village 3 caf定制的web应用程序,UTP在后端使用经过训练的CNN分类模型。
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引用次数: 6
Exploration and Mining of Multipurpose Cooperative Business Data 多用途协同商业数据的探索与挖掘
J. T. Trinidad
In the Philippines, cooperative transition to becoming technology-driven actors in the development sector by initiating the development of ICT solutions specifically catered to cooperatives and their operations. Without data mining behind crucial decision making in a cooperative management, the fate of these cooperatives may be likened to banks on the verge of bankruptcy. Therefore, cooperative basic business data mining to discover patterns and trends helpful in decision making is being introduced in this study. All districts than can be equated to municipalities are well represented by members of the multipurpose cooperative. There is an equally efficient collection measures of the cooperative management on equity and Mutual Aid System (MAS).
在菲律宾,合作社通过着手开发专门针对合作社及其业务的信息通信技术解决方案,转变为发展部门的技术驱动行为体。如果在合作社管理的关键决策背后没有数据挖掘,这些合作社的命运可能会被比作濒临破产的银行。因此,本研究引入协同基础业务数据挖掘,以发现有助于决策的模式和趋势。所有相当于市的地区都有多用途合作社的成员。有一种同样有效的收集措施是股权互助制度(MAS)的合作管理。
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引用次数: 0
期刊
Proceedings of the 2019 3rd International Conference on Digital Signal Processing
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