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INDONESIA
Indonesian Journal of Electrical Engineering and Computer Science
Published by Institute of Advanced Engineering and Science
ISSN : 25024752     EISSN : 25024760     DOI : -
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Articles 101 Documents
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Search results for , issue "Vol 12, No 2: February 2014" : 101 Documents clear
Multi-track Mobile Data Collection Mechanism for Wireless Sensor Networks Lei Fu; Guoqiang Zheng; Jishun Li
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

Wireless sensor networks (WSNs) have been widely researched by countries and institutes. The limited node energy has already become a constraint of large-scale applications. Seeking the energy-balance features at sensor nodes to prolong the network lifetime, a multi-track mobile data collecting mechanism (MTMDC) was proposed in this paper. The MTMDC mechanism was composed of three major phases: the Nodes Estimation Phase, the Energy Estimation Phase and the Multi-track Energy-balance Phase. Based on the three phases, a data collection path for mobile data collector or mobile sink (MS) was built to balance the energy consume of the sensor nodes. Theoretical analysis and performance simulations indicated that the proposed MTMDC mechanism has prominent features compared with the existing approaches in terms of the energy-balance performance and network lifetime. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3736
Pedestrian Detection Based on Sparse and Low-Rank Matrix Decomposition Cheng Ke-yang; Mao Qi-rong; Zhan Yong-zhao
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

This article puts forward a novel system for pedestrian detection tasks, which proposing a model with sparse and low-rank matrix decomposition, jointly alternating direction method to solve the convex relaxation problem. We present an efficient pedestrian detection system using mixing features with sparse and low-rank matrix decomposition to combine into a Kernel classifier. Results presented on our data set show competitive accuracy and robust performance of our system outperforms current state-of-the-art work. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3859
Patent Analysis with Innovative Patent Map System Rain Chen; Chao-Chun Chen; Bei-Bei Yau
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

Among the research on patents, the applications of Patent Map to Patent Analysis have been gradually emphasized. For three years, the researchers have applied Patent Map Theory Model to establishing Patent Map System (PMS) assisting decision-makers in Patent Analysis. Based on the system requirements, relevant function components are planned, and UML technology is utilized for the design and establishment of Patent Map Database. In the actual case study on non-glue rubber mat design, the researchers apply PMS to assist WPIC in Patent Analysis. With the concept of Expert Systems to establish PMS, it is used for the research and development in enterprises as well as for patent management. With PMS, enterprises could understand the patent oppression of competitors and monitor the growth and decline of patent right. PMS can benefit enterprises to confirm the distribution of all patent in the industry and assist them in making definite patent distribution strategies. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4175 
Remote sensing image classification based on optimized support vector machine Liqian Cheng; Wenxing Bao
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

To resolve the problem of wetland remote sensing image classification, this paper presents an improved classification algorithm. In this algorithm, genetic algorithm (GA) selection, crossover operation is introduced to the standard particle swarm optimization algorithm (PSO) to form a hybrid particle swarm optimization algorithm (GAPSO). The hybrid algorithm can exploit the advantages of the genetic algorithm and particle swarm algorithm respectively to the full to obtain the global optimal parameters of support vector machine (SVM). Thus the wetland remote sensing image can be classified more accurately. Taking Ningxia Shahu wetland remote sensing images as an example, this paper makes a classification of wetland remote sensing images using optimized support vector machine, and the outcome of the experiment shows that this algorithm has better classification effect than that of similar algorithms. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4325  
Parallel Research and Implementation of SAR Image Registration Based on Optimized SIFT Quan Sun; Jianxun Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

A new SAR image registration method was Proposed based on improved SIFT algorithm. Which adopted multi-core system platform was used to overcoming the problem of high complexity algorithm of SIFT algorithm; According to the characteristics of SAR image, first of all, the source SAR image was enhanced in airspace, and finish the parallel extraction of feature points with the improved SIFT algorithm, then used Euclidean distance and the RANSAC algorithm to complete the matching of feature points and eliminate unmatching, finally realizes the SAR image registration. The experimental results show that the method can guarantee in the registration precision and reduce the complexity of the registration. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4414
Design of Radio Beacon for Spacecraft-Memory Localization Xiansheng Zhang; Qiulin Tan; Liqiong Ding; Kang Hao; Wenyi Liu
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the development of space technology and more and more space experiments, it has brought forward higher requests for memory of hard-recovered solid-state recorders. Therefore, Recovery of the memory becomes more important. Aiming at the disadvantages of present ways of recycling, we introduce a real-time GPS positioning wireless beacon can be applied on memory recovery. This paper introduces the principle of the system, circuit, and the function that can realized. Experimental results show that the beacon in a static environment and dynamic environment had a good performance in GPS positioning, and a high positioning accuracy. During Signal transmission, the receivers can received the raw GPS signal without error and can depict the running track of memory. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3637
Research of Adaptive Resolution Spectrum Sensing Method Based on Discrete Wavelet Packet Transform Wei Naiqi; Chen Zili; Zhu Anshi
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

Spectrum sensing is the precondition of the realization of cognitive radio. In order to achieve efficient multi-resolution spectrum sensing, and find the available spectrum hole quickly, it proposes a variable resolution adaptive frequency spectrum energy sensing method based on discrete wavelet packet transform (DWPT). The method applied hierarchical decomposition and threshold denoising characteristic of wavelet packet transform, and solved the problem of subband sort disorder in wavelet packet decomposition process; it can eliminate the influence of uncertainty noise on detection performance, effectively. It also can reduce the computational complexity according to demand of selection resolution and perception band. The simulation results and its analysis show that the proposed method has advantages of high precision, simple arithmetic and fine flexibility, etc. The method is adapted to fast sensing in the cognitive radio environment. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3971 
Network Intrusion Detection Based on PSO-SVM Changsheng Xiang; Yong Xiao; Peixin Qu; Xilong Qu
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

In order to improve network intrusion detection precision, this paper proposed a network intrusion detection model based on simultaneous selecting features and parameters of support vector machine (SVM) by particle swarm optimization (PSO) algorithm. Firstly, the features and parameters of SVM are coded to particle, and then the PSO is used to find the  optimal features and SVM parameters by collaboration among particles, lastly, the performance of the model was tested by KDD Cup 99 data. Compared with other network models, the proposed model has reduced input features for SVM and has significantly improved the detection precision of network intrusion. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3826
Application of Multi-Agent Technology in Decision Supporting Xue Feng Jiang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

In the study, the development course and present situation of decision support technology is analyzed, and now decision support technology is lack and it is need to solved, it should combine the benefits of artificial intelligence as in the people's way of thinking to solve practical problems. In addition it also needs to have the ability to identify problems, and skills of dealing with distributed collaboration. The Multi-Agent technology in decision support research is introduced, the decision support is based on the Multi-Agent technology, and in order to demonstrate it can meet the specific needs of today's decision support, it analyzes the process of its implementation applying agent modeling theory, the behavior of the agent coordination mechanism and communication mechanism between the agents and so on, and puts forward the corresponding implementation scheme. Finally the effectiveness of the proposed technology and feasibility are analyzed, related results show that it can be applied in the actual decision support. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3970
A Multi-objective QoS Mechanism for Web Applications: Improved EFXCP Hangxing Wu; Xiaolong Yang; Min Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

The research of QoS is concerned with multiple QoS requirements (multi-QR): queue delay, delay jitter and guaranteed throughput etc. As different QoS requirements have different attributes, it is hard to ensure multi-QR in one QoS mechanism. A common method to ensure multi-QR is normalizing multi-QR into one value range by a utility function and then finding the optimal solution of the utility function. However, although multi-QR are considered in such QoS mechanisms, in fact, no concrete QoS requirement can been strictly ensured, which may be embarrassing because web application usually requires one or more concrete QoS requirements to be satisfied strictly. Therefore, it is significant to design a real multi-objective QoS mechanism to satisfy different QoS requirements of various web applications. Our previous works proposed an efficient and fair explicit congestion control protocol (EFXCP) which can achieve excellent performance in terms of high link utilization, low queue delay, low delay jitter, etc. Because different web applications have different throughput requirements, to further satisfy throughput requirements of web applications, we extend EFXCP in this paper to implement an improved EFXCP (IEFXCP). Firstly, ToS field in IP header is utilized to classify different web applications, and then the relative fair bandwidth allocation is proposed between different types of web applications to preferentially ensure throughput requirements of high prior web applications.  Therefore, IEFXCP can simultaneously satisfy multi-QR: queue delay, delay jitter and guaranteed throughput. The performance of IEFXCP is validated by extensive NS2 simulations over a wide range of network scenarios, the results show that IEFXCP is a real multi-objective QoS mechanism. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4009 

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