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The analysis of evolutionary optimisation on the TSP(1,2) problem TSP(1,2)问题的进化优化分析
IF 2
International Journal of Computational Science and Engineering Pub Date : 2016-01-01 DOI: 10.1504/IJCSE.2016.10007955
Xiaoyun Xia, Xinsheng Lai, Chen Yi
{"title":"The analysis of evolutionary optimisation on the TSP(1,2) problem","authors":"Xiaoyun Xia, Xinsheng Lai, Chen Yi","doi":"10.1504/IJCSE.2016.10007955","DOIUrl":"https://doi.org/10.1504/IJCSE.2016.10007955","url":null,"abstract":"TSP(1,2) problem is a special case of the travelling salesperson problem which is NP-hard. Many heuristics including evolutionary algorithms (EAs) are proposed to solve the TSP(1,2) problem. However, we know little about the performance of the EAs for the TSP(1,2) problem. This paper presents an approximation analysis of the (1+1) EA on this problem. It is shown that both the (1+1) EA and (µ + λ) EA can obtain 3/2 approximation ratio for this problem in expected polynomial runtime O(n3) and O ((µ/λ)n3 + n) , respectively. Furthermore, we prove that the (1+1) EA can provide a much tighter upper bound than a simple ACO on the TSP(1,2) problem.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"216 1","pages":"261-268"},"PeriodicalIF":2.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74959518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Literature Survey on Ambient Noise Analysis For underwater Acoustic Signals 水声信号环境噪声分析的文献综述
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-08-11 DOI: 10.26472/IJCES.V1I7.37
S. Yashaswini, Soumya Halagur, Fazil Khan, S. Rangaswamy
{"title":"A Literature Survey on Ambient Noise Analysis For underwater Acoustic Signals","authors":"S. Yashaswini, Soumya Halagur, Fazil Khan, S. Rangaswamy","doi":"10.26472/IJCES.V1I7.37","DOIUrl":"https://doi.org/10.26472/IJCES.V1I7.37","url":null,"abstract":"Transmitting data with water as the medium is called underwater communication. Electromagnetic signals are better attenuated in water than sound. Hence it is the most reliable and versatile means of communication underwater. The acoustic signals will be affected by ocean driven noise during transmission. Ambient noise is the background noise which has to be subtracted from the acoustic signal for smooth transmission. Hence the recognition and reduction of ambient noise is the essential part of underwater signal transmission. Studies and research are being carried out extensively in this area. There are many works reported and the research is still in progress. This literature survey presents the work done on the research front of ambient noise affecting acoustic signals.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"1 1","pages":"1-9"},"PeriodicalIF":2.0,"publicationDate":"2015-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81391013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Cluster Head Selection for in Wireless Sensor Networks 无线传感器网络中的簇头选择
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-03-30 DOI: 10.26472/IJCES.V1I3.32
A. S. Raval
{"title":"Cluster Head Selection for in Wireless Sensor Networks","authors":"A. S. Raval","doi":"10.26472/IJCES.V1I3.32","DOIUrl":"https://doi.org/10.26472/IJCES.V1I3.32","url":null,"abstract":"Wireless sensor network consists of several distributed sensor nodes. It is used for several environmental applications, military applications and health related applications. To prolong the lifetime of the sensor nodes, designing efficient routing protocols is critical. Most of the research in energy efficient data gathering in data centric applications of wireless sensor networks is motivated by LEACH (Low Energy Adaptive Clustering Hierarchy) scheme. It allows the rotation of cluster head role among the sensor nodes and tries to distribute the energy consumption over the network. Selection of sensor node for such role rotations greatly affects the energy efficiency of the network. Some of the routing protocol has a drawback that the cluster is not evenly distributed due to its randomized rotation of local cluster head. We have surveyed several existing methods for selecting energy efficient cluster head in wireless sensor networks. We have proposed an energy efficient cluster head selection method in which the cluster head selection and replacement cost is reduced and ultimately the network lifetime is increased. Using our proposed method, network life time is increased compared to existing methods.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"10 1","pages":"6"},"PeriodicalIF":2.0,"publicationDate":"2015-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84458571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Survey of Image Based Steganography 基于图像的隐写技术综述
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-02-28 DOI: 10.26472/IJCES.V1I2.11
V. Rabara, Aditya Goswami
{"title":"A Survey of Image Based Steganography","authors":"V. Rabara, Aditya Goswami","doi":"10.26472/IJCES.V1I2.11","DOIUrl":"https://doi.org/10.26472/IJCES.V1I2.11","url":null,"abstract":"","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"114 1","pages":"1"},"PeriodicalIF":2.0,"publicationDate":"2015-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77143487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Image Steganography Techniques 图像隐写技术
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-02-28 DOI: 10.26472/IJCES.V1I2.13
R. Sheth, Rashmi M. Tank
{"title":"Image Steganography Techniques","authors":"R. Sheth, Rashmi M. Tank","doi":"10.26472/IJCES.V1I2.13","DOIUrl":"https://doi.org/10.26472/IJCES.V1I2.13","url":null,"abstract":"","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"10 1","pages":"10"},"PeriodicalIF":2.0,"publicationDate":"2015-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87241492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
A Survey of Brain Chip with Functionality and Benefits 脑芯片的功能与效益综述
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-02-28 DOI: 10.26472/IJCES.V1I2.12
Kalsariya Pradip
{"title":"A Survey of Brain Chip with Functionality and Benefits","authors":"Kalsariya Pradip","doi":"10.26472/IJCES.V1I2.12","DOIUrl":"https://doi.org/10.26472/IJCES.V1I2.12","url":null,"abstract":"","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"68 1","pages":"5"},"PeriodicalIF":2.0,"publicationDate":"2015-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76336197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Basic Knowledge of Image Morphing 图像变形的基本知识
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-02-18 DOI: 10.26472/ijces.v1i2.21
Aakanksha Patel
{"title":"A Basic Knowledge of Image Morphing","authors":"Aakanksha Patel","doi":"10.26472/ijces.v1i2.21","DOIUrl":"https://doi.org/10.26472/ijces.v1i2.21","url":null,"abstract":"The term \"morphing\" is used to describe the combination of generalized image warping with a crossdissolve between image elements. The term is derived from \"image metamorphosis\". Morphing is an image processing technique typically used as an animation tool for the metamorphosis from one image to another. The idea is to specify a warp that distorts the first image into the second. Its inverse will distort the second image into the first..The morph process consists of warping two images so that they have the same \"shape\", and then cross dissolving the resulting images. Cross- dissolving is the major problem as how to warp an image. In this paper I have concentrated on one of the methodology of image morphing named “Mesh Warping”.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"21 1","pages":"4"},"PeriodicalIF":2.0,"publicationDate":"2015-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87357166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Study on Fingerprint (biometrics) Recognition 指纹(生物特征)识别技术研究
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-02-18 DOI: 10.26472/IJCES.V1I2.22
Urvik Patel
{"title":"A Study on Fingerprint (biometrics) Recognition","authors":"Urvik Patel","doi":"10.26472/IJCES.V1I2.22","DOIUrl":"https://doi.org/10.26472/IJCES.V1I2.22","url":null,"abstract":"Till now many algorithms are published for fingerprint recognition and these algorithms has different accuracy rate. This paper consists of information of about fingerprint (biometrics) recognition. The novel algorithm is considered for thinning process. Whole process of recognition is explained from image capturing to verification. The image captured is first converted to gray scale then image enrichment is done then thinning process take over charge which is main process then last process which is also equally important as thinning process is feature extraction which extracts ridge ending, bifurcation, and dot. The accuracy depends on the result of the three main process namely pre-processing, thinning process and feature extraction.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"20 1","pages":"6"},"PeriodicalIF":2.0,"publicationDate":"2015-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86071903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Comparative Analysis of Cryptographic Algorithms and Advanced Cryptographic Algorithms 密码算法与高级密码算法的比较分析
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-01-30 DOI: 10.26472/IJCES.V1I1.20
Meghna H. Vekariya
{"title":"Comparative Analysis of Cryptographic Algorithms and Advanced Cryptographic Algorithms","authors":"Meghna H. Vekariya","doi":"10.26472/IJCES.V1I1.20","DOIUrl":"https://doi.org/10.26472/IJCES.V1I1.20","url":null,"abstract":"Today is the era of Internet and networks applications. So,Information security is a challenging issue in today’s technological world. There is a demand for a stronger encryption which is very hard to crack. The role of Cryptography is most important in the field of network security. There is a broad range of cryptographic algorithms that are used for securing networks and presently continuous researches on the new cryptographic algorithms are going on for evolving more advanced techniques for secures communication. In this study is made for the cryptography algorithms, particularly algorithms- AES, DES, RSA, Blowfishare compared and performance is evaluated. Also some enhanced algorithms are described and compared with the enhanced algorithms.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"102 1","pages":"1-8"},"PeriodicalIF":2.0,"publicationDate":"2015-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87661219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Efficient String Matching Algorithm for Intrusion Detection 一种高效的字符串匹配入侵检测算法
IF 2
International Journal of Computational Science and Engineering Pub Date : 2015-01-30 DOI: 10.26472/IJCES.V1I1.17
Bhargav B. Patel
{"title":"Efficient String Matching Algorithm for Intrusion Detection","authors":"Bhargav B. Patel","doi":"10.26472/IJCES.V1I1.17","DOIUrl":"https://doi.org/10.26472/IJCES.V1I1.17","url":null,"abstract":"Intrusion Detection Systems (IDSs) have become widely recognized as powerful tools for identifying, deterring and deflecting malicious attacks over the network. Intrusion detection systems (IDSs) are designed and installed to aid in deterring or mitigating the damage that can be caused by hacking, or breaking into sensitive IT systems. . The attacks can come from outsider attackers on the Internet, authorized insiders who misuse the privileges that have been given them and unauthorized insiders who attempt to gain unauthorized privileges. IDSs cannot be used in isolation, but must be part of a larger framework of IT security measures. Essential to almost every intrusion detection system is the ability to search through packets and identify content that matches known attacks. Space and time efficient string matching algorithms are therefore important for identifying these packets at line rate. In this paper we examine string matching algorithm and their use for Intrusion Detection.","PeriodicalId":47380,"journal":{"name":"International Journal of Computational Science and Engineering","volume":"21 1","pages":"18-26"},"PeriodicalIF":2.0,"publicationDate":"2015-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86576814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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