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2015 International Conference on Informatics, Electronics & Vision (ICIEV)最新文献

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Stretchable wiring for human monitoring device on transportation systems 运输系统上人体监控装置的可拉伸布线
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7334019
S. Toda, T. Fujita, K. Kanda, K. Maenaka
This paper describes flexible and stretchable wiring for human monitoring systems by using magnetic powder conductor buried in the hollow tube of the silicone rubber substrate. The conductor powder was coated with Au sputtering and Cu plating for improving conductivity. From preliminary results of fabrication and measurements, the wiring shows resistance of few kΩ for over 40% stretch ratio.
本文介绍了将磁粉导体埋入硅橡胶衬底的空心管中,用于人体监控系统的柔性和可拉伸布线。为提高导电性能,在导体粉末上镀有镀金和镀铜。从制造和测量的初步结果来看,在超过40%的拉伸比下,布线显示出很少的电阻kΩ。
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引用次数: 1
A vision based landing spot searching for unmanned aerial vehicle using satellite image 基于卫星图像的无人机着陆点视觉搜索
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7334046
Keunyoung Park, Doohyun Kim, Dongwoon Jeon
Recently, unmanned smart devices have become popular in various fields from the military to civil use. Flight in complex urban areas requires high-level autonomous flying techniques to ensure the safety of people. In addition, UAVs can encounter critical circumstances when flying because of inevitable obstacles, component malfunction, or faulty systems. These factors can force emergency landing on suitable spots. This paper proposes an emergency landing procedure that uses pre-selected available landing spots from satellite images, and navigates UAVs to such spots in an emergency. Searching suitable landing spots using a camera in an emergency is time-consuming. This paper also proposes a simple method that searches for landing spots in satellite images using proper shapes and areas. By applying this method, our results estimate that appropriate landing spots can be searched correctly.
近年来,无人智能设备在从军事到民用的各个领域都很受欢迎。在复杂的城市地区飞行需要高水平的自主飞行技术,以确保人员的安全。此外,由于不可避免的障碍物、部件故障或系统故障,无人机在飞行时可能遇到关键情况。这些因素会迫使飞机在合适的地点紧急降落。本文提出了一种从卫星图像中预先选择可用着陆点,并在紧急情况下将无人机导航到这些着陆点的紧急着陆程序。在紧急情况下使用相机寻找合适的着陆点是非常耗时的。本文还提出了一种利用合适的形状和面积在卫星图像中搜索着陆点的简单方法。通过应用该方法,我们的结果估计可以正确地搜索到合适的着陆点。
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引用次数: 2
An adaptive distance-based edge preserving interpolation algorithm for natural images 一种基于自适应距离的自然图像边缘保持插值算法
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7334068
A. Jha, Ayush Kumar, G. Schaefer, Md Atiqur Rahman Ahad
In this paper, we propose a new image interpolation method using adaptive weights based on inverse gradients and distances from the pixels used in prediction. Since the weights are based on different spatial locations of the pixels, this allows preservation of important edge information and hence to prevent extensive blurring across edges in the upsampling process. Experimental results on a large test image set show that the proposed algorithm gives better performance compared to conventional algorithms.
在本文中,我们提出了一种新的图像插值方法,使用基于逆梯度和预测像素距离的自适应权重。由于权重是基于像素的不同空间位置,这允许保存重要的边缘信息,从而防止在上采样过程中广泛的模糊。在大型测试图像集上的实验结果表明,与传统算法相比,该算法具有更好的性能。
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引用次数: 2
Timing SCA against HMAC to investigate from the execution time of algorithm viewpoint 从算法执行时间的角度对HMAC下SCA的时序进行研究
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7333988
Chowdhury Sajadul Islam, M. Mollah
Phasor Measurement Units (PMUs), or synchrophasors, are rapidly being deployed in the smart grid with the goal of measuring phasor quantities concurrently from wide area distribution substations. There are a variety of security attacks on the PMU communications infrastructure. Timing Side Channel Attack (SCA) is one of these possible attacks. In this paper, timing side channel vulnerability against execution time of the HMAC-SHA1 authentication algorithm is considered. Both linear and negative binomial regression are used to model some security features of the stored key, e.g., its length and Hamming weight. The goal is to reveal secret-related information based on leakage models. The results would mitigate the cryptanalysis process of an attacker.
相量测量单元(pmu),或称同步相量,正迅速部署在智能电网中,其目标是同时测量广域配电变电站的相量。针对PMU通信基础设施的安全攻击多种多样。定时侧信道攻击(SCA)就是这些可能的攻击之一。本文考虑了HMAC-SHA1认证算法执行时间对定时侧信道的影响。线性和负二项回归都被用来模拟存储密钥的一些安全特征,例如它的长度和汉明权值。目标是基于泄漏模型揭示与机密相关的信息。结果将减轻攻击者的密码分析过程。
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引用次数: 3
A development of tension and length measurement system for knee bending motion in medial patello-femoral ligament reconstruction 髌股内侧韧带重建中膝关节弯曲运动张力和长度测量系统的研制
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7334012
K. Nagamune, S. Kawaguchi
Medial patello-femoral ligament (MPFL) reconstruction surgery requires tension and length information of the graft for proper function. Current technique fixes the graft with subjective feeling of the tension and length. Therefore, the technique has not been established well due to lack of quantitative information. To measure the tension and length change at the same time, we manufactured a tension and length measurement system with a tension sensor and a rotary encoder. In the experiment, we calibrated an experiment of the tension sensor with the stress testing machine. We measured force change when the tension sensor was pulled in the horizontal direction by using the load cell tension sensor in the calibration experiments. In the tension measurement experiment, we measured the changes in tension and length of the suture which was attached to the position of MPFL during flexion and extension by using imitation femur and patella. The change of the length of the suture was measured with a rotary encoder. Consequently, the proposed system could measure tension and length information of MPFL simultaneously.
髌股内侧韧带(MPFL)重建手术需要张力和长度信息的移植物正常功能。目前的技术是用主观感觉的张力和长度来固定移植物。因此,由于缺乏定量信息,该技术尚未得到很好的建立。为了同时测量张力和长度的变化,我们制造了一个张力传感器和旋转编码器的张力和长度测量系统。在实验中,我们用应力试验机校准了张力传感器的实验。在标定实验中,我们使用称重传感器张力传感器测量了拉力传感器在水平方向被拉时的力变化。在张力测量实验中,我们使用模拟股骨和髌骨测量了连接在MPFL位置上的缝线在屈伸过程中的张力和长度变化。用旋转编码器测量缝线长度的变化。因此,该系统可以同时测量MPFL的张力和长度信息。
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引用次数: 1
Improving parameter estimation in Dynamic Casual Modeling with Artificial Bee Colony optimization 用人工蜂群优化改进动态随机建模参数估计
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7333980
Kajornvut Ounjai, B. Kaewkamnerdpong, Chailerd Pichitpornchai
Dynamic Causal Modeling (DCM) for fMRI was first proposed to estimate brain connectivity from fMRI data. However, the parameter estimation with Expectation Maximization (EM) method in DCM is prone to local optima. To improve the performance of parameter estimation, this study proposed a hybrid method that integrates the concept of Artificial Bee Colony (ABC) optimization with generic EM used in DCM. From the investigation on real fMRI dataset, the results can indicate that the proposed method could provide higher opportunity to avoid local optimal solution and obtain better final outputs when compared with generic EM. ABC-EM has shown the potential to be a candidate algorithm for DCM estimate brain connectivity for complex experimental tasks involving large number of brain regions and stimuli. Even though the computation time may be concerned, the design of ABC-EM can support parallel computing. The use of ABC-EM on parallel computing system could reduce the computation time.
动态因果模型(DCM)首次被提出,用于从功能磁共振成像数据估计大脑连接。然而,基于期望最大化方法的DCM参数估计容易出现局部最优。为了提高参数估计的性能,本研究提出了一种将人工蜂群(ABC)优化的概念与DCM中通用的EM相结合的混合方法。通过对真实fMRI数据集的研究,结果表明,与一般EM相比,本文提出的方法有更高的机会避免局部最优解,并获得更好的最终输出。ABC-EM已显示出在涉及大量脑区和刺激的复杂实验任务中,作为DCM估计脑连通性的候选算法的潜力。尽管计算时间可能有问题,但ABC-EM的设计可以支持并行计算。在并行计算系统中使用ABC-EM可以减少计算时间。
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引用次数: 0
A novel idea of coupling licensed and unlicensed users using distributed harmonizing algorithm (DHL) in cognitive radio networks (CRNs) 认知无线网络(crn)中使用分布式协调算法(DHL)耦合许可用户和非许可用户的新思路
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7333989
Chowdhury Sajadul Islam
Cognitive radio (CR) solves the spectrum insufficiency crisis by intelligently permitting secondary, or unlicensed, users entrance to the primary, licensed, users' frequency bands. Here considered a network of multiple primary users (PU) and multiple secondary users (SU). The objective of the SUs is to get entrance to orthogonal channels every one in use by one PU. Only one SU is permitted to coexist with a specified PU. In this paper proposed a distributed harmonizing algorithm to couple the network users where a Stackelberg game model is assumed for the relations between the coupled PU and SU. The preferred SU is agreed access in switch for monetary reward to the PU. The PU also amplifies its power to assemble its velocity obligation regardless of the SU's existence. The PU search for optimizing the intervention cost it suggests to a certain SU and the power allowance to sustain communication. The algorithm is exposed to execute secure to an optimal central controller, albeit at a condensed computational difficulty. The SU, alternatively, look for optimize its power demand so as to exploit its service. It is proven that this algorithm grants a sole steady harmonizing. Numerical results specify the supremacy of the proposed algorithm to a casual coupling of the users. Moreover, the algorithm is exposed to execute secure to an optimal central controller, albeit at a condensed computational intricacy.
认知无线电(Cognitive radio, CR)通过智能地允许二次用户或无证用户进入主频段、有证用户的频段,解决了频谱不足的危机。这里考虑一个由多个主用户(PU)和多个辅助用户(SU)组成的网络。单元的目标是获得正交通道的入口,每个通道都由一个PU使用。一个指定的PU上只能存在一个SU。本文提出了一种网络用户耦合的分布式协调算法,该算法对耦合的用户群和用户群之间的关系采用Stackelberg博弈模型,优先选择的用户群在交换机中约定接入,并对用户群进行金钱奖励。PU也放大了它的力量来组装它的速度义务,而不管SU是否存在。PU搜索是为了优化干预成本,它建议在一定的SU和功率允许范围内维持通信。该算法暴露于安全执行一个最优的中央控制器,尽管在一个浓缩的计算难度。而SU则寻求优化其电力需求,以利用其服务。证明了该算法能实现唯一的稳定协调。数值结果表明,所提出的算法对用户的偶然性耦合具有优越性。此外,该算法暴露于安全执行一个最优的中央控制器,尽管在一个浓缩的计算复杂性。
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引用次数: 1
A study of automatic classification of sleeping position by a pressure-sensitive sensor 压力敏感传感器对睡姿自动分类的研究
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7334059
Aya Mineharu, N. Kuwahara, K. Morimoto
Currently in care facilities, a fall preventive movement sensor is often used to prevent falls of care receivers during the night.. But the current sensors are usually designed to detect the motion of care receivers' getting out of bed. Therefore, there are cases where the care receiver has already fallen from the bed by the time the sensor reacted to the movement. It is a common knowledge that a person frequently changes position while sleeping. In this research, we focus on the frequency of sleeping position changes, and aim to realize a method for precise prediction of care receivers' attempt to get out of bed sufficiently before the actual action. We employed the automatic classification method of sleeping position in the pressure-sensitive sensor, with consideration to privacy of the research subjects, and identified nine types of sleeping position that are common, with 77.1% of accuracy. This result is reported in this paper.
目前在护理机构中,预防跌倒运动传感器通常用于防止夜间护理人员跌倒。但目前的传感器通常被设计用来检测护理人员起床的动作。因此,在某些情况下,当传感器对这个动作做出反应时,看护人已经从床上掉下来了。一个人在睡觉时经常变换姿势,这是一个常识。在本研究中,我们关注睡眠姿势变化的频率,旨在实现一种精确预测护理者在实际行动之前足够起床的尝试的方法。我们采用压敏传感器的睡姿自动分类方法,考虑到研究对象的隐私,识别出9种常见的睡姿,准确率为77.1%。本文报道了这一结果。
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引用次数: 26
An extending method of operable distance for infrared remote controlled power switch with zero stand-by power 一种零备用功率红外遥控电源开关操作距离的延长方法
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7333995
A. Yamawaki, S. Serikawa
The elimination of the stand-by power consumption of the electronic products is very important for not only the family budget but also the earth environment. To completely eliminate it, we have to remove each power cable of the electronic products from the power strip. Since this job is troublesome for the persons, especially elderly people, they tend to cease to do it as daily action. We have proposed a remotely controlled power switch that can make the standby power consumption of the electronic product and itself completely zero. The plugging and unplugging the power cable from a power strip is replaced to the operations of the infrared remote controller. The electronic product with our proposal is operated by the same remote controller. That is, all people can handle the elimination of the standby power and the operations for the electronic product by the single remote controller easily. However, to widely disseminate this proposal, the operable distance to eliminate the stand-by power consumption and to start up the electronic product has to be comparable to the conventional distance to operate the electronic product. This paper proposes an extending method of the operable distance for the IR remote controlled power switch about eliminating the stand-by power and starting up the electronic product. This method has the two-stage switching structure to turn on the main power by using a little energy harvesting gained from the infrared light irradiated by the remote controller. The experimental result shows the proposed method can actually generate enough power to turn on the electronic product with longer distance than the conventional one.
消除电子产品的待机功耗不仅对家庭预算,而且对地球环境都非常重要。为了彻底消除它,我们必须将电子产品的每根电源线从电源排上拆下来。由于这项工作对人们来说很麻烦,尤其是老年人,他们往往不再把它作为日常活动来做。我们提出了一种远程控制的电源开关,可以使电子产品和其本身的待机功耗完全为零。将插拔插板上的电源线更换为红外遥控器的操作。我们建议的电子产品是由同一个遥控器操作的。也就是说,所有人都可以轻松地通过一个遥控器来消除待机电源和对电子产品进行操作。然而,为了广泛传播这一建议,消除待机功耗和启动电子产品的可操作距离必须与传统操作电子产品的距离相当。提出了一种红外遥控电源开关消除待机电源和启动电子产品的操作距离的延长方法。该方法具有两级开关结构,利用从遥控器照射的红外光中获得的少量能量来打开主电源。实验结果表明,所提出的方法能够产生足够的功率来开启距离较远的电子产品。
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引用次数: 3
A hardware approach for organisation of software defined network switches based on FPGA 一种基于FPGA的软件定义网络交换机的硬件组织方法
Pub Date : 2015-06-15 DOI: 10.1109/ICIEV.2015.7334067
A. Kalyaev, I. Korovin, M. Khisamutdinov, G. Schaefer, Md. Atiqur Rahman Ahad
In this paper, we present a novel method for a hardware-based search in the rule tables of software defined network (SDN) switches. We describe the design features of modern SDNs based on the open standard OpenFlow, and highlight the main problems of modern OpenFlow switches. We then propose a new approach for a flow table search based on field-programmable gate arrays (FPGAs). The proposed method allows searching by means of a mask in all bits of the header of incoming packages and therefore to expand the usability of SDNs.
本文提出了一种基于硬件的软件定义网络(SDN)交换机规则表搜索的新方法。介绍了基于开放标准OpenFlow的现代sdn的设计特点,并重点介绍了现代OpenFlow交换机存在的主要问题。然后,我们提出了一种基于现场可编程门阵列(fpga)的流表搜索新方法。提出的方法允许在传入包的报头的所有位中使用掩码进行搜索,从而扩展了sdn的可用性。
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引用次数: 2
期刊
2015 International Conference on Informatics, Electronics & Vision (ICIEV)
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