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Validity currency detector with optical sensor using backpropagation 带反向传播光学传感器的有效货币检测器
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380851
Muchamad Rahmadhony, Sigit Wasista, Elly Purwantini
This paper refers to the problems that arise in everyday life, where most people still have problems in distinguishing between real money or fake money, especially blind persons. This paper will be studied how to make a portable tool that can read the signs visible on the money and then provide feedback in the form of sound. Ultraviolet rays will be used to emit visible image that is on the currency, then the image will be captured by the webcam as an optical sensor. A Single-Board Computer based Raspberry Pi is used to process the data that is captured by the sensor, then Single-Board Computer used to process data sent by the sensor, then the data is converted into histograms and compared with a sample using a histogram comparison, after comparison of data obtained later Single-Board Computer provides signals such as voice if the money is genuine or counterfeit, along with the amount. The tool is able to read and authenticity nominal money effectively, the results of the experiment resulting error value is less than 5%.
这篇文章是指在日常生活中出现的问题,大多数人在区分真钱和假币方面仍然存在问题,尤其是盲人。本文将研究如何制作一种便携式工具,它可以读取货币上可见的标志,然后以声音的形式提供反馈。紫外线将被用来发射货币上的可见图像,然后图像将被作为光学传感器的网络摄像头捕获。利用基于树莓派的单板计算机对传感器采集到的数据进行处理,然后用单板计算机对传感器发送的数据进行处理,然后将数据转换成直方图,用直方图对比的方法与样本进行对比,对比后得到的数据,单板计算机提供语音等信号,判断货币是真是假,以及金额。该工具能够有效地读取和真伪标称货币,实验结果得出的误差值小于5%。
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引用次数: 2
2D independent actuator control based on a Proportional Derivative Active Force Control 基于比例导数主动力控制的二维独立作动器控制
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380818
Kamarudin, E. Pitowarno
This paper presents a control method for 2D independent actuators using PDAFC (Proportional Derivative Active Force Control). PD is used to stabilize the actuators, where as AFC is used to reject disturbance uncertainty by estimating disturbance torque value of actuator. Simulation result shows that PDAFC can minimize disturbance uncertainly effect. To test the performances of a control system actuator given disorder sinuses and pulse. Actuator position of the Pitch angular at the time of the system in a state of steady amounting to 39.78 degrees without disturbance. actuator with sine disturbance, position pitch angular is 41.53 degrees and 51.69 degrees with pulse disturbance. Actuator position of the roll angular at the time of the system in a state of steady amounting to 39.59 degrees without disturbance. actuator with sine disturbance, position roll angular is 39.61 degrees and 44.27 degrees with pulse disturbance.
提出了一种基于比例导数主动力控制(PDAFC)的二维独立执行器控制方法。PD用于稳定作动器,AFC通过估计作动器的扰动转矩值来抑制扰动的不确定性。仿真结果表明,PDAFC可以最大限度地减小干扰的不确定性影响。为了测试给定无序正弦和脉冲的控制系统执行器的性能。致动器位置的俯仰角在系统处于稳定状态时达到39.78度无扰动。正弦扰动作动器位置俯仰角为41.53度,脉冲扰动作动器位置俯仰角为51.69度。致动器位置的横摇角在系统处于稳定状态时达39.59度无扰动。执行机构在正弦扰动下,位置滚转角为39.61度,脉冲扰动下为44.27度。
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引用次数: 1
Ecological context-dependent analysis and prediction using MMM: A case of dengue fever disease 基于MMM的生态环境相关分析与预测:一例登革热病例
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380846
W. T. Sesulihatien, S. Sasaki, Y. Kiyoki
Dengue fever disease had threatens more than 4 billion people worldwide. Current studies in this disease focus on the relation between environmental data and dengue cases directly without considering the stage of the mosquito's life. In fact, dengue case is associated with different dominant stages under different circumstances. Therefore, it is important to analyze and select the dominant stage of mosquito for different situation to select an adequate strategy for disease-spreading prevention. In this research, we introduce the new system to select the stage based on context-dependency by using Mathematical Model of Meaning (MMM).The feature of this research is in calculating the similarity pattern analysis between environmental data with disease stage. The objective of the research is to build effective prevention system due to dominant mosquito's stage that possible to trigger dengue case. In this study, we focus on abiotic contexts with features such as rainfall, temperature, humidity, sunshine duration, CO2 and wind speed. This model consist of (a) subspace creation based on stage classification from ecological model of dynamic energy budget, (b) context-similarity calculation by using MMM, and (c) matching-prediction by Hilbert Transform. Through this system, we can determine an effective strategy to prevent dengue case in every different situation. Therefore, this system can contribute to reduce environmental damage and probability of health problem caused by an improper strategy of disease prevention. In this research, we employ real weather data of Surabaya from 2007 to 2011. The result shows that the dominant stage in wet season and dry season is different, also in specific case such as disaster, the dominant stage also different.
登革热威胁着全球40多亿人。目前对该疾病的研究主要集中在环境数据与登革热病例之间的直接关系上,而没有考虑蚊子的生命阶段。事实上,登革热病例在不同情况下与不同的优势阶段有关。因此,分析和选择不同情况下的优势期蚊虫,选择适当的预防策略具有重要意义。在本研究中,我们利用数学意义模型(MMM)引入了基于上下文依赖的阶段选择新系统。本研究的特点是计算环境数据与疾病分期之间的相似模式分析。本研究的目的是根据优势蚊所处的可能引发登革热病例的阶段,建立有效的预防系统。在这项研究中,我们关注的是非生物环境的特征,如降雨量、温度、湿度、日照时数、二氧化碳和风速。该模型包括(a)基于动态能量预算生态模型阶段分类的子空间创建,(b)基于MMM的上下文相似性计算,(c)基于Hilbert变换的匹配预测。通过这一系统,我们可以确定在每种不同情况下预防登革热病例的有效战略。因此,该系统有助于减少因疾病预防策略不当而造成的环境破坏和健康问题的可能性。在本研究中,我们使用了泗水市2007 - 2011年的真实天气数据。结果表明,旱季和雨季的优势阶段不同,在灾害等具体情况下,优势阶段也不同。
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引用次数: 4
Shape-based boundary segmentation assessment for cervical vertebrae classification 基于形状的边界分割评估颈椎分类
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380811
Aouache Mustapha, A. Hussain, M. A. Zulkifley, Mohd Faisal Ibrahim
Shape-based boundary representation is a critical component in medical imaging-based diagnosis system. Furthermore, accurate boundary representation is also essential in getting good segmentation, feature indexing and classification. This work concentrates on cervical vertebra distortion across the anterior boundary to detect anterior osteophytes and identify its severity. A suitable shape representation, which defines the vertebrae shape boundary must be determined prior to the cervical vertebra model can be constructed. Therefore, two different shape-based representations for vertebral segmentation using active shape model are analysed, which are 9-anatomical point representation (9-APR) and B-spline representation (BSR). The aims is to compare and quantify the precision and accuracy performance of the segmented vertebra with the help of orientation histogram-based indexing and multi-layer perception based on ten-fold cross validation (MLP-TFCV) classifier. Experimental results are assessed based on the segmented boundary outline by using ROC and AUC curves. The results show that the performance of both boundary representations are almost similar where B-SR has a small advantage compared to the 9-APR. The system can be further improved by introducing a statistical sampling method of the anterior points instead of the whole vertebra.
基于形状的边界表示是医学影像诊断系统的关键组成部分。此外,准确的边界表示对于获得良好的分割、特征索引和分类也是至关重要的。这项工作集中在颈椎变形在前边界检测前骨赘和确定其严重程度。在构建颈椎模型之前,必须确定一个合适的形状表示来定义椎骨形状边界。因此,分析了利用主动形状模型进行椎体分割的两种不同形状表示,即9解剖点表示(9-APR)和b样条表示(BSR)。目的是通过基于方向直方图的索引和基于十重交叉验证(MLP-TFCV)分类器的多层感知来比较和量化分割椎体的精度和准确度性能。利用ROC曲线和AUC曲线对实验结果进行了评价。结果表明,两种边界表示的性能几乎相似,其中B-SR比9-APR具有较小的优势。该系统可以通过引入前点的统计抽样方法而不是整个椎体来进一步改进。
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引用次数: 2
Automatic Control Music Amplifier Using Speech Signal Utilizing by TMS320C6713 基于TMS320C6713的语音信号自动控制音乐放大器
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380834
M. Ilmi, M. Huda, W. S. Rahardhita
In a radio station when the announcer wants to Broadcast an urgent message to the listeners, the announcer must set manually the volume of background music while it has been playing. This process has disadvantages such as the volume of background music being either too loud or too weak. This effect can be minimized by adjusting music volume automatically using human speech signals. In this research TMS320C6713 DSP Starter Kit (DSK) as a signal processor is used. The incoming human speech signal will be detected by using voice activity detection (VAD) which consists of Short Term Energy and Zero Crossing Rate, the process is to identify the characteristics of the human speech signals. If the input signal is the human speech signal it will affect to decreasing volume of background music and will be maintained at a certain minimum level during speech. By using an energy threshold value of 60 dB and ZCR values between 20 and 45 times the system can recognize the input signal and the signal is human speech signals. Furthermore, voice signals can be used to adjust the volume of the background music as a given gain parameter.
在广播电台中,当播音员想要向听众广播一条紧急消息时,播音员必须在播放背景音乐时手动设置音量。这种方法有缺点,比如背景音乐的音量太大或太弱。这种影响可以通过使用人类语音信号自动调节音乐音量来最小化。本研究采用TMS320C6713 DSP Starter Kit (DSK)作为信号处理器。语音活动检测(voice activity detection, VAD)是一种基于短时能量和过零率的语音活动检测方法,用于识别人类语音信号的特征。如果输入信号是人类语音信号,则会影响背景音乐的音量减小,在语音过程中会保持在一定的最小水平。采用60 dB的能量阈值和20 ~ 45倍的ZCR值,系统可以识别输入信号,该信号为人类语音信号。此外,语音信号可以用来调整背景音乐的音量作为一个给定的增益参数。
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引用次数: 1
Comparison of five time series EMG features extractions using Myo Armband 使用Myo臂章提取五种时间序列肌电特征的比较
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380805
Z. Arief, I. A. Sulistijono, Roby Awal Ardiansyah
Feature extraction is meant to get representation and information that embedded in the signals, this is necessary to minimize complexity of implementation and reduce the cost of information processing. Recently, there are many methods for features extraction. This research is comparing five feature extractions from eight channels electromyography (EMG) signals that obtained from Myo Armband located on forearm muscles in order to get significant differences when hand do some movements. The time series features extraction that evaluated are Mean Absolute Value (MAV), Variance (VAR), Willison Amplitude (WAMP), Waveform Length (WL), and Zero Crossing (ZC). The variety of hand movement are fist, rest, half-fist, gun-point, and mid-finger fold. Moreover, the result shows that the rank of evaluated features extraction always showhs same results in four experiment, MAV is always giving the best performance WL. From this finding, MAV and WL are two recommendation for time series features extraction. This rank of time series features extraction gives worthiness when process information in future development research.
特征提取是指获取嵌入信号中的表示和信息,这是最小化实现复杂性和降低信息处理成本所必需的。近年来,有许多特征提取方法。本研究通过对前臂肌肉上的肌环所获得的8通道肌电图信号进行5个特征提取的比较,得出手在进行某些动作时的显著差异。评估的时间序列特征提取包括平均绝对值(MAV)、方差(VAR)、威尔逊幅度(WAMP)、波形长度(WL)和过零(ZC)。各种各样的手的运动是拳头,休息,半拳,枪点,中指折叠。此外,结果表明,在4个实验中,评估特征提取的排序结果总是相同的,MAV总是给出最好的WL性能。基于这一发现,MAV和WL是时间序列特征提取的两种推荐方法。这种时序特征的提取对今后开发研究中处理信息具有一定的价值。
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引用次数: 62
Using of array of 8 ultrasonic transducers On accoustic tomography for image reconstruction 8个超声换能器阵列在声学层析成像中的应用
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380807
Rika Rokhana, S. Anggraini
Tomography is a method that can reconstruct the internal image of a non-invasively object, based on the measurements. On acoustic tomography, measured data is obtained from the output of ultrasonic transducer that is passed to the object. Velocity of waves that pass through the object is processed to obtain the impulse response and sampling projection. Once processed by the FFT, both these quantities is filtered by the back projection filter to obtain image reconstruction. This method that conducted to the air, water, mud, aluminum, and the combination of those materials, will showed gradations of color in the image in the form of a mesh, contour, pcolor, and surface. This shows the velocity difference when the ultrasonic wave reflected or transmitted by the material of measured object that can be indicated as the difference in the substance of the material in the measured object.
断层扫描是一种基于测量数据重建非侵入性物体内部图像的方法。在声学断层扫描中,测量数据是从传递到物体的超声波换能器的输出中获得的。对穿过物体的波速进行处理,得到脉冲响应和采样投影。一旦经过FFT处理,这两个量都被反向投影滤波器滤波,以获得图像重建。这种方法适用于空气、水、泥土、铝以及这些材料的组合,将以网格、轮廓、彩色和表面的形式在图像中显示颜色的渐变。这表示超声波被被测物体的材料反射或传播时的速度差,可以表示为被测物体中材料的物质差。
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引用次数: 4
Energy efficiency of mobile peer-to-peer network based on channel condition and bandwidth 基于信道条件和带宽的移动点对点网络能量效率
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380833
Nasaruddin, S. Muchallil, Maulisa Oktiana
Mobile peer-to-peer (P2P) network is a simple computing network in which some of the mobile devices are communicated with peer-to-peer mode through access point. Energy efficiency in mobile P2P is improved by increasing the number of active nodes on the network and reducing the consumed energy by the number of idle nodes. However, if a lot of the number of active nodes perform the transmission process, it can cause interference between stations which could decrease the network performance. Therefore, this paper evaluates the effect of channel condition and bandwidth on mobile P2P networks towards energy efficiency. This can be done by analyzing the relationship between the parameter of channel conditions such as channel quality and network energy consumption. Another parameter that affects the energy efficiency is the availability of bandwidth in the network, which can be obtained by using different modulation types that are BPSK and QPSK. To evaluate the parameters, a model for P2P network is introduced into three different scenarios of information transmission processes. Numerical simulation has carried out using Matlab programming. Simulation results show that energy efficiency is inversely proportional to the quality of the channel, where the high channel quality has small energy efficiency in the network. In addition, QPSK modulation could provide a significant improvement on the energy efficiency for mobile P2P network compared with BPSK modulation.
移动点对点网络是一种简单的计算网络,其中一些移动设备通过接入点以点对点的方式进行通信。通过增加网络上活跃节点的数量和减少空闲节点的数量来减少消耗的能量,从而提高了移动P2P的能源效率。但是,如果大量的活动节点执行传输过程,则会引起站间干扰,从而降低网络性能。因此,本文评估了移动P2P网络的信道条件和带宽对能源效率的影响。这可以通过分析信道质量等信道条件参数与网络能耗之间的关系来实现。影响能效的另一个参数是网络中带宽的可用性,可以通过使用BPSK和QPSK两种不同的调制类型来获得。为了对参数进行评估,将P2P网络模型引入到三种不同的信息传输过程中。利用Matlab编程进行了数值模拟。仿真结果表明,能量效率与信道质量成反比,信道质量高的网络能量效率小。此外,与BPSK调制相比,QPSK调制可以显著提高移动P2P网络的能源效率。
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引用次数: 3
Measuring level of difficulty in game using challenging rate (CR) on 2D Real time Strategy Line Defense game 用挑战率(CR)衡量2D实时战略防线游戏的游戏难度
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380844
Christyowidiasmoro, Ramadhany Candra Arif Putra, Supeno Mardi Susiki
Real-time Strategy (RTS) games is a game with competitive environment, that can be played by player versus player or non-player character (NPC). Many researcher create intelligent artificial intelligence (AI) to give challenge to the player. But to check if the AI is in the good level of difficulty, some approach needed to calculate the value of difficulty. Challenging rate (CR) formula is a formula that using basic element in RTS games as it's parameter. In this paper a prototype games with proposed level of difficulty was made to try the ability of CR formula to measure value of difficulty. The result is level of difficulty that is proposed can be measured using the CR formula and is on the right state. With CR formula, the comparison for each level of ability can be used to create more level of difficulty, and give data if the level of difficulty is balance enough or not.
即时战略(RTS)游戏是一种具有竞争环境的游戏,可以由玩家对抗玩家或非玩家角色(NPC)来玩。许多研究者创造了智能人工智能(AI)来给玩家带来挑战。但是为了检查AI是否处于合适的难度水平,我们需要使用一些方法去计算难度值。挑战率(CR)公式是使用RTS游戏中的基本元素作为参数的公式。本文制作了一个具有拟制难度等级的原型游戏,尝试用CR公式衡量难度值的能力。结果表明,所提出的难度等级可以使用CR公式来衡量,并且处于正确的状态。利用CR公式,每个能力等级的比较可以用来创造更多难度等级,并给出难度等级是否足够平衡的数据。
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引用次数: 2
Scheduling schemes of time and frequency resource allocation for interference coordination method based on user priority in LTE-femtocell 基于用户优先级的lte -飞蜂窝干扰协调法时频资源分配调度方案
Pub Date : 2015-09-01 DOI: 10.1109/ELECSYM.2015.7380837
R. Ainul, H. Mahmudah, A. Wijayanti
Using femtocell in LTE with small coverage area is considered have more effective performance than Macro BTS (eNB). However, using femtocells (HeNB) in LTE will make interference problem among femtocell (HeNB) to the Macro BTS (eNB). Femtocell is a source of interference for users who cannot access it. Therefore it is necessary for interference coordination methods among the HeNB and eNB. The methods are ICIC (Intercell Interference Coordination) and eICIC (enhanched Intercell Interference Coordination). ICIC method is using frequency resource allocation that allocating every user in different subcarrier. eICIC method is allocating almost blank subframe (ABS) in time domain resource for macro user that got interference from femtocell (HeNB). Simulation result in frequency resource allocation using ICIC method can increase SINR 43.04 % and throughput 23.09 %. However using eICIC method in time domain resource can increase performance of SINR 54.32 % and throughput 74.78 % that is better than frequency resource allocation.
在覆盖面积较小的LTE中使用femtocell被认为比Macro BTS (eNB)具有更有效的性能。但是,在LTE中使用飞蜂窝(HeNB)会产生飞蜂窝(HeNB)对宏基站(eNB)的干扰问题。对于无法接入的用户来说,Femtocell是一个干扰源。因此,有必要研究一种HeNB与eNB之间的干涉协调方法。这两种方法分别是ICIC (Intercell Interference Coordination)和eICIC (enhanced Intercell Interference Coordination)。ICIC方法采用频率资源分配,将每个用户分配到不同的子载波中。eICIC方法是为受到飞基站(HeNB)干扰的宏用户分配几乎空白子帧(ABS)的时域资源。仿真结果表明,采用ICIC方法进行频率资源分配,信噪比提高43.04%,吞吐量提高23.09%。而在时域资源中使用eICIC方法,其信噪比提高54.32%,吞吐量提高74.78%,优于频率资源分配。
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引用次数: 3
期刊
2015 International Electronics Symposium (IES)
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