by Akinduyite C.O, Adetunmbi A.O, Olabode O.O and Ibidunmoye E.O
Original Research
In recent time, there has been high level of impersonation experienced on a daily basis in both private and public sectors, the ghost worker syndrome which has become a menace across all tiers of government, employers concerns over the levels of employee absence in their workforce and the difficulty in managing student attendance during lecture periods. Fingerprints are a form of biometric identification which is unique and does not change in one’s entire lifetime. This paper presents the attendance management system using fingerprint technology in a university environment. It consists of two processes namely; enrolment and authentication. During enrolment, the fingerprint of the user is captured and its unique features extracted and stored in a database along with the users identity as a template for the subject. The unique features called minutiae points were extracted using the Crossing Number (CN) method which extracts the ridge endings and bifurcations from the skeleton image by examining the local neighborhoods of each ridge pixel using a 3 x 3 window. During authentication, the fingerprint of the user is captured again and the extracted features compared with the template in the database to determine a match before attendance is made. The fingerprint-based attendance management system was implemented with Microsoft’s C# on the. NET framework and Microsoft’s Structured Query Language (SQL) Server 2005 as the backend. The experimental result shows that the developed system is highly efficient in the verification of users fingerprint with an accuracy level of 97.4%. The average execution time for the developed system was 4.29 seconds as against 18.48 seconds for the existing system. Moreover, the result shows a well secured and reliable system capable of preventing impersonation.adult breastfeeding stories
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Journal of Computer Sciences and Applications. 2013, 1(5), 100-105. DOI: 10.12691/jcsa-1-5-4
Pub. Date: November 11, 2013
85738 Views19751 Downloads44 Likes3 Citations
by Bekoouche Ibtissem and Fizazi Hadria
Original Research
Clustering plays an important role in the image processing. It permits to assign a label to each point of the image from a collection of defined classes. Among the domains that use the clustering, we can mention the Remote Sensing for identification of different regions constituting a satellite image. Evaluation of the clustering algorithm results is based on the validity index. In this paper, we applied the Harmony Search algorithm (HS) for make an unsupervised clustering. Thereafter, we evaluated the performance of this tool by analyzing the results obtained. These results show that the validity index determines automatically the appropriate number of classes that represent an image. The study realized with several validity indices allowed us to find the best validity index to evaluate the performance and robustness of the algorithm HS. The experiences obtained with this algorithm show the effectiveness and performance in the stable clustering for given problem.black women white men
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Journal of Computer Sciences and Applications. 2013, 1(5), 91-99. DOI: 10.12691/jcsa-1-5-3
Pub. Date: July 07, 2013
27850 Views9715 Downloads34 Likes5 Citations
by Shruti Garg and G. Sahoo
Original Research
Paintings which was handled roughly or made from low quality paint or base usually suffers from crack in a long run, which causes them to lose some of the information. This paper discuss about automatic approach for classification and interpolation of cracks. For classification supervised and unsupervised methods were implemented and for interpolation different order statistics filter were applied. Experimental result shows that unsupervised classification works better than supervised classification. And variable size window filter works best for interpolation of cracks.black women white men
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Journal of Computer Sciences and Applications. 2013, 1(5), 85-90. DOI: 10.12691/jcsa-1-5-2
Pub. Date: July 04, 2013
29440 Views12287 Downloads33 Likes4 Citations
by Faezeh Mohseni Moghadam, Azadeh Ahmadi and Farshid Keynia
Original Research
Iris recognition is one of the most reliable and applicable methods for a person's identification. The most complex and important phase of recognition is iris segmentation of an input eye image that affects iris recognition successful rate significantly. Due to missed parameters in noisy images, main error occurs in the performance of classic localization. Artificial neural networks (ANN) are appropriate substitutes for classic methods because of their flexibility on noisy images. In this paper, we use feedforward neural network (FFNN) for the improvement of iris localization accuracy. We apply two methods in order to reduce neural network error: first, designing one neural network for each output neuron .Second, using cascaded feedforward neural network (CFFNN). Then, we examine proposed methods on different datasets which cause remarkable reduction of localization error.viagra free sample coupons
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Journal of Computer Sciences and Applications. 2013, 1(5), 80-84. DOI: 10.12691/jcsa-1-5-1
Pub. Date: June 25, 2013
22663 Views8532 Downloads35 Likes4 Citations