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2017 International Conference on Computer, Communication and Signal Processing (ICCCSP)最新文献

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Best optimal route cover search using spatial keyword covering 最优路线覆盖搜索使用空间关键字覆盖
B. S. Ayyappa Kumar, A. S L C Sekhara Kumari
Business features are indicated with the help of keywords in spatial database. While retrieving data from spatial database a problem occurs and named as Closest Keyword Cover Search, problem occurs due to set of query keywords and minimum inter object distance between them. Object evaluation for the best decision making depends on the increase of availability and keyword rating. Closest keywords search is extended to Best Keyword Cover deals with inter object distance and keyword rating in more standard manner. Initially baseline algorithm is used to overcome the problem mentioned and it is not applicable for real time databases, in order to overcome this a new algorithm is proposed and named as Keyword Nearest Neighbor Expansion it reduces the number of candidate keyword covers compared to baseline algorithm. With the help of K-NNE algorithm local best solution is obtained and generates less new candidate keyword covers compared to baseline algorithm.
利用空间数据库中的关键词来表示业务特征。在从空间数据库中检索数据时,出现了一个问题,称为最接近关键字覆盖搜索,这是由于查询关键字集和它们之间的对象间距离最小而出现的问题。最佳决策的对象评估取决于可用性和关键字评级的增加。最接近关键字搜索扩展到最佳关键字覆盖处理对象间距离和关键字评级在更标准的方式。最初采用基线算法来克服上述问题,但它并不适用于实时数据库,为了克服这一问题,提出了一种新的算法,并将其命名为关键字最近邻扩展算法,它比基线算法减少了候选关键字覆盖的数量。与基线算法相比,K-NNE算法得到了局部最优解,产生的新候选关键字覆盖较少。
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引用次数: 1
Implementation of virtual fitting room using image processing 利用图像处理实现虚拟试衣间
K. Srinivasan, S. Vivek
There has been a great increase in interests towards online shopping. In case of purchase of products like apparels which always require a sense of knowledge on how cloths would fit upon a person. This is the major reason why less number of apparels are being shopped online. Hence, a virtual dressing room which would make people know how cloths personally fits in would be a great luxury for the online sellers which could give a wide choice for customers. For online marketers, this would be a great tool for enhancing its market.
人们对网上购物的兴趣大大增加了。在购买像服装这样的产品时,总是需要一种关于衣服如何适合一个人的知识感。这就是为什么很少有人在网上购买服装的主要原因。因此,一个虚拟的试衣间,可以让人们知道衣服是如何适合自己的,这对网上卖家来说是一种极大的奢侈,可以给顾客提供广泛的选择。对于网络营销人员来说,这将是一个扩大市场的好工具。
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引用次数: 8
Dual band microstrip caution patch antenna for space applications 用于空间应用的双频微带警告贴片天线
T. Shanmuganatham, Deepanshu Kaushal
The design of a dual band microstrip Caution Patch antenna useful for private land mobile and aviation applications has been proposed in this paper. Under these applications, the design may encompass fixed satellite services, mobile except aeronautical mobile, radiolocation and aeronautical radio navigation. The FR4 epoxy substrate having a relative permittivity of 4.4 and a thickness of 1.6 mm is used. The utilized probe feeding technique is simple to fabricate and match, provides low spurious radiations and is simple to match by controlling the position. The antenna resonates with a peak gain of 6.3 dBi at 3.52 GHz offering a bandwidth of 111.9 MHz and yet another at 4.39 GHz with a gain of 20.4 dBi and a bandwidth of 8.02MHz.
本文提出了一种适用于私人陆地移动和航空应用的双频微带谨慎贴片天线的设计。在这些应用中,设计可以包括固定卫星业务、移动(航空移动除外)、无线电定位和航空无线电导航。采用相对介电常数为4.4,厚度为1.6 mm的FR4环氧基板。所采用的探针馈送技术制作简单,匹配简单,杂散辐射低,通过控制位置即可实现匹配。该天线在3.52 GHz时共振峰值增益为6.3 dBi,提供111.9 MHz的带宽,而在4.39 GHz时共振峰值增益为20.4 dBi,带宽为8.02MHz。
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引用次数: 2
Design and synthesis of combinational circuits using reversible decoder in Xilinx 赛灵思可逆解码器组合电路的设计与合成
Gopi Chand Naguboina, K. Anusudha
Reversible logic is the emerging field for research in present era. The aim of this paper is to realize different types of combinational circuits like full-adder, full-subtractor, multiplexer and comparator using reversible decoder circuit with minimum quantum cost. Reversible decoder is designed using Fredkin gates with minimum Quantum cost. There are many reversible logic gates like Fredkin Gate, Feynman Gate, Double Feynman Gate, Peres Gate, Seynman Gate and many more. Reversible logic is defined as the logic in which the number output lines are equal to the number of input lines i.e., the n-input and k-output Boolean function F(X1, X2, X3,…, Xn) (referred to as (n, k) function) is said to be reversible if and only if (i) n is equal to k and (ii) each input pattern is mapped uniquely to output pattern. The gate must run forward and backward that is the inputs can also be retrieved from outputs. When the device obeys these two conditions then the second law of thermo-dynamics guarantees that it dissipates no heat. Fan-out and Feed-back are not allowed in Logical Reversibility. Reversible Logic owns its applications in various fields which include Quantum Computing, Optical Computing, Nano-technology, Computer Graphics, low power VLSI Etc., Reversible logic is gaining its own importance in recent years largely due to its property of low power consumption. The comparative study in terms of garbage outputs, Quantum Cost, numbers of gates are also presented. The Circuit has been implemented and simulated using Xilinx software.
可逆逻辑是当前新兴的研究领域。本文的目的是利用可逆译码电路以最小的量子成本实现全加法器、全减法器、多路器和比较器等不同类型的组合电路。采用最小量子成本的Fredkin门设计了可逆解码器。有许多可逆逻辑门,如弗雷德金门,费曼门,双费曼门,佩雷斯门,塞曼门等等。可逆逻辑定义为输出行数与输入行数相等的逻辑,即n-输入和k-输出布尔函数F(X1, X2, X3,…,Xn)(简称(n, k)函数)当且仅当(i) n等于k,且(ii)每个输入模式唯一地映射到输出模式时,称为可逆逻辑。门必须向前和向后运行,也就是说输入也可以从输出中检索。当装置符合这两个条件时,热力学第二定律保证它不散发热量。在逻辑可逆性中不允许扇出和反馈。可逆逻辑在量子计算、光学计算、纳米技术、计算机图形学、低功耗VLSI等各个领域都有广泛的应用,近年来由于其低功耗的特性,可逆逻辑得到了越来越多的重视。并从垃圾输出、量子成本、门数等方面进行了比较研究。利用Xilinx软件对该电路进行了仿真和实现。
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引用次数: 19
Internet of Vehicles (IoV) for traffic management 车辆联网(IoV)用于交通管理
Tej Tharang Dandala, V. Krishnamurthy, Rajan Alwan
Internet of Things (IoT) is a world-wide network connecting all the smart objects together. It is the way in which all things are enabled to talk with each other. Whenever those smart things being connected over internet are restricted to only vehicles, then it is called as Internet of Vehicles (IoV). With continuously increasing urban population and rapidly expanding cities, vehicle ownership has been increasing at an exponential rate. Hence, traffic management has become a great problem in our day today life. This paper provides IoV based traffic management solution to overcome the problem that is prevailing in our daily life.
物联网(IoT)是一个将所有智能物体连接在一起的全球网络。它是万物得以相互交谈的方式。只要这些通过互联网连接的智能设备仅限于车辆,那么它就被称为车联网(IoV)。随着城市人口的不断增加和城市规模的迅速扩大,汽车保有量呈指数级增长。因此,交通管理已经成为我们日常生活中的一个大问题。本文提出了一种基于车联网的交通管理解决方案,以克服我们日常生活中普遍存在的问题。
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引用次数: 74
Robotic simulation using natural language commands 机器人仿真使用自然语言命令
D. Thenmozhi, R. Seshathiri, K. Revanth, B. Ruban
Robots are inevitable these days,so naive users should not find difficult to interact with robots. Since robots understand only RCL (Robot command language), we need a system which converts natural language commands into RCL. We use a semantic parser to address this problem of converting natural language commands to RCL that can be readily implemented in a robot execution system. Our system gets the natural language command from the user and converts it into RCL using tagging approach. This tagging operation is implemented using a trainer, which uses Hidden Markov Model approach. Using this tagged command the Parser builds the RCL. Then the RCL is converted to configurations which is the co-ordinates of the objects in a given spatial context. The validation of these configurations is performed using robotic simulator. We have used an annotated dataset to compare and evaluate our approach. Despite the fixed domain, the task is challenging as correctly parsing commands requires understanding spatial context.
如今,机器人是不可避免的,所以天真的用户应该不会觉得与机器人互动有什么困难。由于机器人只理解RCL(机器人命令语言),我们需要一个将自然语言命令转换为RCL的系统。我们使用语义解析器来解决将自然语言命令转换为可在机器人执行系统中轻松实现的RCL的问题。系统从用户处获取自然语言命令,并使用标记方法将其转换为RCL。该标记操作是使用训练器实现的,该训练器使用隐马尔可夫模型方法。使用这个带标签的命令,Parser构建RCL。然后将RCL转换为构型,即给定空间上下文中对象的坐标。使用机器人模拟器对这些配置进行验证。我们使用了一个带注释的数据集来比较和评估我们的方法。尽管有固定的领域,但这项任务具有挑战性,因为正确解析命令需要理解空间上下文。
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引用次数: 4
A tree house shape microstrip patch antenna for multi-band applications 用于多波段应用的树屋形状微带贴片天线
Rupak Gupta, T. Shanmuganantham, R. Kiruthika
This paper, a novel design of Microstrip antenna with multi band of operation has been presented for wireless communications. This antenna is very distinctive in shape and has been fed through 50Ω coaxial feed line. The Beauty of the antenna lies in four band, S11≤ (−10) dB for 2.06 GHz, 10.92 GHz, 16.30 GHz and 24.24 GHz with a simulated gain of 6.2572 dB, 5.2190 dB, 6.9254 dB, 5.1175 dB and 6.3533 dB respectively. These results were taken by Ansoft HFSS (High Frequency Structural Simulator) Software. A U-shape cut on the feed patch Line, staircase in the bottom of patch structure and a small rectangular cut on top middle portion of the ground structure has been introduced in the proposed antenna. Size of proposed antenna is 30 × 32 × 1.6 mm2 and it is printed on Rogers substrate. The Relative Permittivity ε, of the substrate is 3.0 with a loss tangent of 0.0013.
本文提出了一种多频段工作的无线通信微带天线的设计方案。这种天线是非常独特的形状,并已通过50Ω同轴馈线馈送。该天线的优点在于四个频段,在2.06 GHz、10.92 GHz、16.30 GHz和24.24 GHz频段,S11≤(−10)dB,模拟增益分别为6.2572 dB、5.2190 dB、6.9254 dB、5.1175 dB和6.3533 dB。这些结果由Ansoft HFSS(高频结构模拟器)软件采集。该天线在馈电贴片线上设置u形切口,在贴片结构的底部设置楼梯,在地面结构的顶部中间部分设置小矩形切口。所提出的天线尺寸为30 × 32 × 1.6 mm2,印刷在罗杰斯基板上。衬底的相对介电常数ε为3.0,损耗正切为0.0013。
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引用次数: 3
Multiband E-shape SIW antenna for mm-wave applications 用于毫米波应用的多波段e形SIW天线
K. Kumar, T. Shanmuganantham
This design of Antenna used for multiband Millimetre (mm) wave applications. This antenna designed using Substrate Integrated Waveguide (SIW) technology. In this design six band of frequencies are realizable for wideband. First band obtain between 38.42 GHz and 39.09 GHz with reflection coefficient of −28 dB, Second one obtain between 42.43 GHz and 43.42 GHz with reflection coefficient of −11 dB, Third one obtain between 58.55GHz and 61.12 GHz with reflection coefficient of −12.5 dB, Fourth one obtain between 72.01 GHz and 73.51 GHz with reflection coefficient of −34.5 dB, Fifth one obtain between 83.44 GHz and 84.68 GHz with reflection coefficient of −11 dB and six one obtain between 100.66 GHz and 103.23 GHz with reflection coefficient of −30 dB which all bands got good bandwidth and it is more suitable for mm wave applications.
本设计天线用于多波段毫米波应用。该天线采用衬底集成波导(SIW)技术设计。在本设计中,宽带可实现6个频带。第一波段在38.42 ~ 39.09 GHz之间,反射系数为−28 dB,第二波段在42.43 ~ 43.42 GHz之间,反射系数为−11 dB,第三波段在58.55 ~ 61.12 GHz之间,反射系数为−12.5 dB,第四波段在72.01 ~ 73.51 GHz之间,反射系数为−34.5 dB,第5个在83.44 ~ 84.68 GHz之间,反射系数为- 11 dB;第6个在100.66 ~ 103.23 GHz之间,反射系数为- 30 dB,所有频段的带宽都很好,更适合毫米波应用。
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引用次数: 4
A morphological approach to detect human in video 视频中人的形态学检测方法
J. Julina, T. Sharmila
Human detection in video is a challenging task due to complex backgrounds, occlusions, variations in lighting conditions and so on. The main objective of this paper is to determine the presence of human in a video scene. It finds usage in determining number of persons which is found to be a useful metric in understanding the interested participants and their interaction with the environment. The foreground is detected using Gaussian mixture model and is processed to remove unwanted noise by applying suitable morphological operations forming a binary image. The dominant blob region is identified using connected component labeling technique and averaging methods are employed between clean foreground mask and binary image. Finally, edge detection is applied to each processed frame and edge details in the segmented blob displays the presence of the human in the scene. The qualitative results of the proposed system show improved detection accuracy avoiding missed and false detections.
由于复杂的背景、遮挡、光照条件的变化等原因,视频中的人体检测是一项具有挑战性的任务。本文的主要目的是确定视频场景中人的存在。它用于确定人数,这是理解感兴趣的参与者及其与环境的相互作用的有用度量。使用高斯混合模型检测前景,并通过适当的形态学操作形成二值图像来处理去除不需要的噪声。利用连通分量标记技术识别优势斑点区域,并对前景净掩模与二值图像进行平均。最后,对每个处理过的帧进行边缘检测,分割后的blob中的边缘细节显示场景中人的存在。定性结果表明,该系统提高了检测精度,避免了漏检和误检。
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引用次数: 1
Particle swarm optimization parallelism implementation to classify multiclass datasets 多类数据集并行分类的粒子群优化实现
M. Balasaraswathi, B. Kalpana
This research concept deals with Parallelizes PSO-SA model which combines the particle swarm optimization (PSO) and Simulated Annealing (SA). Parallel PSO-SA operates by parallelizing the operation of each of the particles and Multistart PSO runs parallel several normal versions of PSO embedded with Simulated Annealing in parallel. The experimental results were conducted on benchmark data sets and the proposed approach can reduce the time complexity and also to increase classification accuracy.
本研究概念是结合粒子群优化(PSO)和模拟退火(SA)的并行PSO-SA模型。并行PSO- sa通过并行化每个粒子的操作来运行,Multistart PSO并行运行嵌入模拟退火的几个正常版本的PSO。在基准数据集上进行的实验结果表明,该方法可以降低时间复杂度,提高分类精度。
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引用次数: 0
期刊
2017 International Conference on Computer, Communication and Signal Processing (ICCCSP)
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