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2016 International Conference on Robotics, Automation and Sciences (ICORAS)最新文献

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Computerized brain database management system for radiological department in hospital 医院放射科计算机脑库管理系统
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872626
K. Sim, T. K. Kho, F. S. Abas, F. F. Ting, V. Teh, C. S. Ee
A computerized brain database management system is designed and implemented to replace the existing traditional largely hand-recorded system in the radiological department of selectsd hospitals in Malaysia. The new system provides easy access to patient registration, diagnosis, and appointment. It can also collect, calculate and plot statistical data. Thus, it is a useful research tool. The system is applied to identify non-modifiable risks and analyze modifiable risks in brain infarction patients. The new system has higher efficiency in terms of time taken, cost and data security protection while comparing to the traditional hand-recorded system.
设计并实施了一个计算机脑数据库管理系统,以取代马来西亚选定医院放射科现有的传统的大部分手工记录系统。新系统提供了方便的患者登记、诊断和预约。它还可以收集、计算和绘制统计数据。因此,它是一个有用的研究工具。该系统用于识别脑梗死患者的不可改变风险和分析可改变风险。与传统的手工记录系统相比,新系统在时间、成本和数据安全保护方面具有更高的效率。
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引用次数: 0
Automatic sequential reactive power compensation and harmonic suppression at loads using appliance clustering and power quality monitoring 基于设备集群和电能质量监测的负载自动序贯无功补偿和谐波抑制
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872611
K. Shashikumar, C. Venkataseshaiah, K. Sim
We have home brewed a perfect recipe for Arduino automated home utility monitoring and correction system. In this paper, we propose a smart system that could easily be built using off-the-shelf modules and could be programmed to fulfill utility power quality requirements using existing smart utility meters and non-intrusive appliance monitoring and correction system. We have included the hardware design, software, wireless topology system used, experiment results and implemented real hardware load modeling. Our utility monitoring and correction system can be used for detecting energy expenditure breakdown per appliance, detecting power hungry faulty appliance, solving the power quality problem at the root and recognition of occupant activity. The system also able to correct each appliances power factor and suppress its harmonics, resulting in more efficiently reducing of electricity bill of building owners.
我们自制了一个完美的Arduino自动化家庭公用事业监测和校正系统的配方。在本文中,我们提出了一个智能系统,该系统可以使用现成的模块轻松构建,并且可以使用现有的智能电表和非侵入式设备监控和校正系统来编程以满足公用事业电力质量要求。包括硬件设计、软件设计、无线拓扑系统使用、实验结果和实现的真实硬件负载建模。我们的公用事业监控和纠错系统可以用于检测每台电器的能耗分解,检测耗电故障电器,从根源上解决电能质量问题,识别居住者的活动。该系统还能够校正每个电器的功率因数并抑制其谐波,从而更有效地减少业主的电费。
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引用次数: 2
Minimum mean brightness error quad histogram equalization for scanning electron microscope images 扫描电镜图像最小平均亮度误差四方直图均衡化
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872601
N. M. Shukri, K. Sim, J. Leong
This paper studies the Contrast and Brightness Enhancement Technique for Scanning Electron Microscope images. Low contrast and/or brightness SEM image may have some hidden or information loss due to this limitation from image environment. This leads to the design of Minimum Mean Brightness Error Quad Histogram Equalization (MMBEQHE) technique. The MMBEQHE improves the visual image quality (qualitative measurement) and enhances the quantitative measurement (metric). This MMBEQHE technique produces the least amount of Absolute Mean Brightness Error (AMBE) with maximum brightness preserved, good peak signal-to-noise ratio for good contrast enhancement and better Structural Similarity (SSIM) value with better enhancement and still maintain image energy conservation.
本文研究了扫描电镜图像的对比度和亮度增强技术。由于图像环境的限制,低对比度和/或亮度的扫描电镜图像可能会有一些隐藏或信息丢失。为此,设计了最小平均亮度误差四方图均衡化(MMBEQHE)技术。MMBEQHE提高了视觉图像质量(定性测量),增强了定量测量(度量)。MMBEQHE技术产生的绝对平均亮度误差(AMBE)最小,亮度保持最大;峰值信噪比好,对比度增强效果好;结构相似度(SSIM)值好,增强效果好,仍然保持图像能量节约。
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引用次数: 1
Improving speaker verification using MFCC order 利用MFCC命令改进说话人验证
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872609
A. Rusli, M. I. Ahmad, M. Z. Ilyas
This paper presents a text-dependent speaker verification using Mel-Frequency Cepstral Coefficients (MFCC) and Support Vector Machine (SVM). Mel-Frequency Cepstral Coefficients technique has been used to extract the characteristic from the recorded voice spoken by the user and SVM is used to classify the all models of the speakers and impostors. A Malay spoken digit database is utilized for the training and testing. The aim of this paper is to improve the performance of SVM by selecting the best order of Mel-Frequency Cepstral Coefficients. Five types of Mel-Frequency Cepstral Coefficients order (5, 10, 15, 20, 25) have been tested and classified using SVM. It is shown that 20th and 25th order of MFCC achieved the best total success rate (TSR) and Equal Error Rate (EER).
本文提出了一种基于Mel-Frequency倒谱系数(MFCC)和支持向量机(SVM)的文本相关说话人验证方法。利用Mel-Frequency倒谱系数技术从用户的语音录音中提取特征,并利用SVM对说话人和冒名顶替者的所有模型进行分类。马来语口语数字数据库用于培训和测试。本文的目的是通过选择Mel-Frequency倒谱系数的最佳阶数来提高支持向量机的性能。利用支持向量机对5、10、15、20、25五种Mel-Frequency倒谱系数阶进行了测试和分类。结果表明,MFCC的第20阶和第25阶获得了最佳的总成功率(TSR)和等错误率(EER)。
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引用次数: 3
Removal of highlights in dichromatic reflection objects using segmentation and inpainting 去除高光在二色反射对象使用分割和油漆
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872632
H. Akbar, N. S. Herman
In this paper, we propose a method to separate diffuse and specular reflection in dichromatic reflection objects without the need for color space analysis. Based on the histogram distribution of the input image, we assume that a specular reflection tends to increase the brightness value and thus it can be separated from diffuse reflection using thresholding technique. To find the optimal threshold values, we use the chaotic clonal selection algorithm. Then, the segmented specular highlight area is replaced with an optimal diffuse patch based on coherency sensitive hashing. The experimental results demonstrated that the proposed specular removal method has comparative performance compared to the standard single-based specular removal methods.
在本文中,我们提出了一种在不需要色彩空间分析的情况下分离二色反射对象的漫反射和镜面反射的方法。根据输入图像的直方图分布,我们假设镜面反射倾向于增加亮度值,因此可以使用阈值技术将其与漫反射分离。为了找到最优的阈值,我们使用混沌克隆选择算法。然后,用基于相干敏感散列的最优漫射patch替换分割的镜面高光区域。实验结果表明,该方法与标准的单基镜面去除方法相比具有较好的性能。
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引用次数: 3
Physiological modeling of sound effect on neuro-cardiovascular system 声音效应对神经-心血管系统的生理模拟
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872619
M. Yahya, E. Supriyanto
Blood pressure and heart rate are easily influenced by factors such as nutrition, medications, exercises, emotional stress and environment. Sound is one of the environmental factors that can influence blood pressure and heart rate. Different sounds have specific characteristics that affect the neuro-cardiovascular system differently. A physiological model of the neuro-cardiovascular system has been developed to simulate the effects of sound to the blood pressure and heart rate. The purpose of this model is to obtain the explanation on how different types of sound can effects the heart rate and blood pressure measurements of a person. The model was divided into two: nervous system model and cardiovascular system model. The nervous system model were modeled using artificial neural network (ANN) while the cardiovascular system were modeled using the software Modelica. The ANN for the nervous system model managed to classify the sound with 80% accuracy for systole and diastole. As for the heart rate, the accuracy of the ANN testing is 70%. The model for the cardiovascular system were developed and managed to produce the signal for the blood pressure and heart rate without error. The present systems are not fully developed as most of the processes are still carried out manually. In conclusion, the physiological model of sound effect on neuro-cardiovascular system has been developed but improvements are still required to make the model more accurate and efficient.
血压和心率容易受到营养、药物、运动、情绪压力和环境等因素的影响。声音是影响血压和心率的环境因素之一。不同的声音有不同的特征,对神经心血管系统的影响也不同。我们建立了一个神经-心血管系统的生理模型来模拟声音对血压和心率的影响。这个模型的目的是为了解释不同类型的声音是如何影响一个人的心率和血压测量的。模型分为神经系统模型和心血管系统模型。神经系统模型采用人工神经网络(ANN)建模,心血管系统模型采用Modelica软件建模。神经系统模型的人工神经网络对收缩期和舒张期的声音分类准确率达到80%。对于心率,人工神经网络测试的准确率为70%。开发了心血管系统的模型,并设法准确无误地产生血压和心率的信号。目前的系统尚未完全开发,因为大多数过程仍然是手工进行的。综上所述,声音效应对神经-心血管系统的生理模型已经建立,但还需要进一步完善,使模型更加准确和高效。
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引用次数: 2
Nonlinear spatial domain first order moment estimation in magnitude resonance imaging data 幅度共振成像数据的非线性空间域一阶矩估计
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872627
K. Sim, C. Toa
A new method for signal estimation in the magnitude resonance imaging (MRI) which follows Rician distribution data is proposed. Sigma estimation in the MRI is importance for the various post-processing tasks. Although different methods for sigma estimation of MRI are available, most of these methods require multiple images. In this paper, Nonlinear spatial domain first order moment (NSDFOM) estimator technique is focused. This estimator is then compared with other estimators in terms of the sigma estimation which used only a single image. The experimental result shows that NSDFOM method able to generate more accurate sigma estimation.
提出了一种新的磁共振成像(MRI)信号估计方法。核磁共振成像中的西格玛估计对于各种后处理任务非常重要。虽然MRI的sigma估计方法不同,但大多数方法都需要多幅图像。本文主要研究了非线性空间域一阶矩估计技术。然后将该估计器与仅使用单个图像的sigma估计的其他估计器进行比较。实验结果表明,NSDFOM方法能够产生更精确的西格玛估计。
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引用次数: 2
Application of generalized predictive control with learning-based disturbance compensator in repetitive operations 基于学习的扰动补偿广义预测控制在重复操作中的应用
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872615
L. Kwek, A. Tan, E. K. Wong
This paper presents the implementation of an enhanced generalized predictive control (GPC) scheme on a two-link planar robotic manipulator performing some repetitive tracking task. The proposed GPC-Gain incorporates a disturbance compensation scheme that combines iterative learning control (ILC) and real-time feedback (RFC) controls. A least mean square error (LMSE) estimator is used to estimate output error caused by repeating disturbances. Through repetitive learning from this filtered output error, ILC predicts the pattern of repeating disturbance. On the other hand, RFC deduces the effect of non-repeating disturbance based on the error feedback information during the ongoing cycle. The learning activity by ILC is regulated using a gain adaptation method. The effect of these estimated disturbances is then compensated in advance in the constrained GPC optimization procedure. Over ten disturbance scenarios, the proposed GPC-Gain scheme reduces the trajectory tracking errors significantly where the average mean squared error (MSE) is merely 49.53% of that of the benchmark. Most importantly, the proposed controller provides a smooth and bounded solution.
针对执行重复性跟踪任务的双连杆平面机器人,提出了一种增强广义预测控制(GPC)方案。所提出的gpc增益集成了一种结合迭代学习控制(ILC)和实时反馈控制(RFC)的干扰补偿方案。用最小均方误差估计器估计重复扰动引起的输出误差。通过对该滤波输出误差的重复学习,ILC预测重复干扰的模式。另一方面,RFC根据正在进行的周期中的误差反馈信息推断非重复干扰的影响。采用增益自适应方法调节ILC的学习活动。然后在约束GPC优化过程中对这些估计扰动的影响进行补偿。在十种干扰情况下,所提出的GPC-Gain方案显著降低了轨迹跟踪误差,平均均方误差(MSE)仅为基准的49.53%。最重要的是,所提出的控制器提供了光滑和有界的解决方案。
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引用次数: 0
Kinect-based framework for motor rehabilitation 基于运动学的运动康复框架
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872606
R. K. Y. Chang, S. H. Lau, K. S. Sim, M. S. M. Too
The number of people suffering from motor impairment is increasing as incidence involving limb injuries can easily happen. These injuries may be traumatic injuries, congenital deformities, neurological and arthritic conditions or regional pain syndrome. Some of these injuries need operative procedure, whilst others use interventive methods. Regardless of the treatment performed, a vital component in the road to recovery should include physical rehabilitation. This paper proposes the design of a Kinect-based framework for motor rehabilitation. Originally introduced as an add-on for the Xbox gaming console, Kinect offers the capability to track the motion of a human body in real time. This research makes use of that capability to combine the Kinect with an easily modifiable application to produce an individually customized home rehabilitation system that will motivate, provide feedback and track the progress of the rehabilitation patient. This paper also proposes an evaluation framework to evaluate the Kinect based home rehabilitation system based on the technology acceptance, the motivation of the patient, and the patient's learning style.
由于极易发生肢体损伤,运动障碍患者的数量正在增加。这些损伤可能是外伤性损伤、先天性畸形、神经和关节炎疾病或局部疼痛综合征。其中一些损伤需要手术治疗,而另一些则采用介入性方法。无论进行何种治疗,恢复之路的一个重要组成部分应该包括身体康复。本文提出了一种基于kinect的运动康复框架的设计。Kinect最初是作为Xbox游戏机的一个附加组件推出的,它提供了实时跟踪人体运动的功能。这项研究利用这一能力,将Kinect与一个易于修改的应用程序结合起来,生产出一个个性化的家庭康复系统,该系统将激励、提供反馈并跟踪康复患者的进展。本文还提出了一个基于技术接受度、患者动机和患者学习风格的评估框架来评估基于Kinect的家庭康复系统。
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引用次数: 7
Dual downlink signals level balancing methodology for LTE user equipment test conformance LTE用户设备测试一致性的双下行信号电平平衡方法
Pub Date : 2016-11-01 DOI: 10.1109/ICORAS.2016.7872613
G. S. Lau, R. Ahmad
Receiver diversity related conformance tests of 2G/3G cellular devices either with multipath propagation or not typically would utilize RF channel emulator (or RF fader) to balance the dual downlink signal levels before reception by dual receiver antennas of device. The RF fader has capability to close loop output power level, so it allows user to set the desired output level. With this capability, dual downlink signal inputs into the fader can be level adjusted in order to get the balance and similar output level of both signals from fader. For receiver diversity tests with only static propagation which is default to LTE device, since it is in static propagation, fader would be underutilized for only diversity purpose. To be cost save, such balancing approach could be alternatively replaced with discrete components and software algorithm. A new setup is designed with this approach to balance the dual downlink levels in order to comply the receiver test conformance. This paper will describe about the methodology.
对于具有或不具有多径传播的2G/3G蜂窝设备,接收机分集相关的一致性测试通常使用射频信道模拟器(或射频调谐器)来平衡设备双接收天线接收前的双下行信号电平。RF变换器具有闭环输出功率电平的能力,因此它允许用户设置所需的输出电平。有了这个能力,双下行信号输入到滤波器可以电平调整,以获得平衡和类似的输出电平两个信号从滤波器。对于仅静态传播的接收器分集测试(LTE设备默认为静态传播),由于它处于静态传播中,因此仅用于分集目的的降频器将未得到充分利用。为了节省成本,这种平衡方法可以用离散元件和软件算法替代。采用这种方法设计了一种新的设置,以平衡双下行链路电平,以符合接收机测试一致性。本文将介绍有关的方法。
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引用次数: 0
期刊
2016 International Conference on Robotics, Automation and Sciences (ICORAS)
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