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Engineering Computations: International Journal for Computer-Aided Engineering and Software Volume 31 Issue 8

Subject Areas: Computational Theory and Mathematics
Publisher: Emerald Group Publishing Limited - Emerald Publishing
ISSN: 0264-4401
SJR: 57

Available

Journal Article

Remote monitoring of an omnidirectional smoke detection system using texture features image processing techniques

Peng, Chun-Chi; Hsu, Kuei-Shu; Her, Ming-Guo; Peng, Yen-Chia; Jiang, Jinn-Feng; Chen, Yi-Jie

2014 Engineering Computations

doi:10.1108/EC-11-2012-0256

Purpose – The purpose of this paper is to develop an early fire-alarm raising system based on video processing, and combine it with the omnidirectional projecting system. It not only gives alarm immediately in early fire so that people can be able to strive for more time to escape from the spot,...
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Journal Article

Greedy immunization strategy in weighted scale-free networks

Liu, Zhang-Hui; Chen, Guo-Long; Wang, Ning-Ning; Song, Biao

2014 Engineering Computations

doi:10.1108/EC-11-2012-0285

Purpose – The purpose of this paper is to present a new immunization strategy for effectively solving the control of the spread of the virus. Design/methodology/approach – Inspired by the idea of network partition, taking two optimization targets which are the scale of sub-network and the sum of...
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Journal Article

Shortest distance estimation in large scale graphs

Chen, Yuzhong; Yu, Yang; Chen, Guolong

2014 Engineering Computations

doi:10.1108/EC-11-2012-0286

Purpose – Shortest distance query between a pair of nodes in a graph is a classical problem with a wide variety of applications. Exact methods for this problem are infeasible for large-scale graphs such as social networks with hundreds of millions of users and links due to their high complexity...
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Journal Article

Assessing the effects of audio-visual stimulation on the prefrontal EEG of good & poor sleepers

Lee, Yi-Yeh; Raymond See, Aaron; Chen, Shih-Chung; Liang, Chih-Kuo

2014 Engineering Computations

doi:10.1108/EC-11-2012-0287

Purpose – The purpose of this paper was to investigate the response of good and poor sleepers toward audio-visual stimulation via prefrontal theta EEG measurement. Design/methodology/approach – The experiment included ten healthy subjects that were chosen after going through the Pittsburgh Sleep...
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Journal Article

Improved initial cluster center selection in K-means clustering

Zhu, Minchen; Wang, Weizhi; Huang, Jingshan

2014 Engineering Computations

doi:10.1108/EC-11-2012-0288

Purpose – It is well known that the selection of initial cluster centers can significantly affect K-means clustering results. The purpose of this paper is to propose an improved, efficient methodology to handle such a challenge. Design/methodology/approach – According to the fact that the...
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Journal Article

A neural observer for sensorless speed control of servomotors

Horng, Jenq-Ruey; Wang, Ming-Shyan; Lai, Tai-Rung; Berinde, Sergiu

2014 Engineering Computations

doi:10.1108/EC-11-2012-0289

Purpose – Extensive efforts have been conducted on the elimination of position sensors in servomotor control. The purpose of this paper is to aim at estimating the servomotor speed without using position sensors and the knowledge of its parameters by artificial neural networks (ANNs)....
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Journal Article

FPGA-based hardware implementation of arctangent and arccosine functions for the inverse kinematics of robot manipulator

Kung, Ying-Shieh; Wu, Ming-Kuang; Linh Bui Thi and, Hai; Jung, Tz-Han; Lee, Feng-Chi; Chen, Wen-Chuan

2014 Engineering Computations

doi:10.1108/EC-11-2012-0290

Purpose – The inverse kinematics in robot manipulator have to handle the arctangent and arccosine function. However, the two functions are complicated and need much computation time so that it is difficult to be realized in the typical processing system. The purpose of this paper is to solve this...
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Journal Article

Implementation of an automated system for microscope pathological section image with RFID management

Chen, Pei-Jarn; Yeng, Chia-Hong; Lu, Ma-Mi; Chen, Sheng-Hsien

2014 Engineering Computations

doi:10.1108/EC-11-2012-0291

Purpose – The purpose of this paper is to establish an automated microscopic imaging database system using a set of Radio Frequency Identification (RFID) management functions to provide a secure storage for hispathology images. Design/methodology/approach – The automated microscopy imaging system...
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Journal Article

Fuzzy visual detection for human-robot interaction

Shieh, Ming-Yuan; Hsieh, Chung-Yu; Hsieh, Tsung-Min

2014 Engineering Computations

doi:10.1108/EC-11-2012-0292

Purpose – The purpose of this paper is to propose a fast object detection algorithm based on structural light analysis, which aims to detect and recognize human gesture and pose and then to conclude the respective commands for human-robot interaction control. Design/methodology/approach – In this...
Available

Journal Article

A study of risk-adjusted stock selection models using genetic algorithms

Huang, Chien-Feng; Hsieh, Tsung-Nan; Rong Chang, Bao; Chang, Chih-Hsiang

2014 Engineering Computations

doi:10.1108/EC-11-2012-0293

Purpose – Stock selection has long been identified as a challenging task. This line of research is highly contingent upon reliable stock ranking for successful portfolio construction. The purpose of this paper is to employ the methods from computational intelligence (CI) to solve this problem...

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