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Research ArticleOpen accessEvery word in the titleA New Partially Blind Signature Based on Factoring and Discrete LogarithmsN.M.F. Tahat, S.M.A. Shatnawi, E.S. IsmailPartially blind signatures played an important role in many electronic commerce applications. Many existing partially blind signature scheme based on a single hard problem but not secure. In this study, we propose a secure partially blind signature scheme based on factoring and discrete logarithms and show that the proposed scheme satisfies the partial blindness, randomization, unlinkability and unforgeability properties. We … …Journal of Mathematics and Statistics, Vol. 4, Issue 2 · 30 Jun 2008 · 7,062 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Effect of Digital Count-Down Display on Signalized Junction PerformanceM. R. Ibrahim, M. R. Karim, F. A. KidwaiIntersections are bottleneck in the highway networks and critical determinant of system’s capacity and safety. Recently, several countdown timers had been installed at intersections in Kuala Lumpur and some other cities in Malaysia. The function of these timers is to aid drivers to judge the amount of time left for them to get the green signal for moving (starting) their … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,765 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Three-Microphone Adaptive Noise Canceller for Minimizing Reverberation and Signal DistortionZayed M. RamadanThis paper introduces an adaptive noise canceller (ANC) to improve the system performance in the presence of signal leakage components. The proposed ANC consists of two adaptive filters and three microphones. The first adaptive filter cancels the signal leakage and the second filter cancels the noise. For best results, a least mean squares adaptive algorithm was also introduced and used … …American Journal of Applied Sciences, Vol. 5, Issue 4 · 30 Apr 2008 · 7,096 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStatistical Approach for Offline Handwritten Signature VerificationDebnath Bhattacharyya, Samir Kumar Bandyopadhyay, Poulami Das et al.Signatures were considered an important tool for authenticating the identity of human beings. So, signature verification was one of the biggest uses for that. We proposed an algorithmic approach for the verification of handwritten signatures by applying some statistical methods. The research work was based on the collection of set of signatures from which an average signature was obtained based … …Journal of Computer Science, Vol. 4, Issue 3 · 31 Mar 2008 · 7,480 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSignaling Pathways Involved In Dengue-2 Virus Infection Induced RANTES OverexpressionYing-Ray Lee, Huan-Yao Lei, Shun-Hua Chen et al.Dengue viruses participate in liver inflammation by inducting the expression of various chemokines including Regulated on Activation Normal T-cell Expressed and Secreted (RANTES). However, the underlying signaling remains unknown. Here, we reveal that Ras, Raf-1 and three mitogen-activated protein kinases (MAPKs) p38, extracellular signal-regulated kinase (Erk), and c-jun-NH2-terminal kinase (JNK) can be activated or phosphorylated in dengue-2 virus infected hepatocyte … …American Journal of Infectious Diseases, Vol. 4, Issue 1 · 31 Mar 2008 · 7,176 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleImproved Offline Signature Verification Scheme Using Feature Point Extraction MethodDebasish Jena, Banshidhar Majhi, Sanjay K. JenaSignature verification is a technology that can solve security problems in our networked society. A new improved offline signature verification scheme is proposed which is based on selecting 60 feature points from the geometric centre of the signature and compares them with the already trained feature points. The classification of the feature points utilizes statistical parameters like mean and variance. … …Journal of Computer Science, Vol. 4, Issue 2 · 28 Feb 2008 · 6,886 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDynamically Reconfigurable Embedded Architecture-An Alternative To Application-Specific Digital Signal Processing ArchitecturesN. Ramadass, S. Natarajan, J. Raja Paul PerinbamEmerging trends in design of real-time digital signal processing systems indicate that in the future, a significant amount of performance improvement can be achieved using dynamically reconfigurable embedded architectures consisting of reconfigurable, general-purpose components. Although embedded real-time systems have long been prevailing in our society, no firm scientific base has been established yet to handle timing requirements in a systematic … …Journal of Computer Science, Vol. 3, Issue 10 · 31 Oct 2007 · 6,735 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePerformance Comparison of Sub Phonetic Model with Input Signal ProcessingDr E. Ramaraj, E. ChandraThe quest to arrive at a better model for signal transformation for speech has resulted in striving to develop better signal representations and algorithm. The article explores the word model which is a concatenation of state dependent senones as an alternate for phoneme. The Research Work has an objective of involving the senone with the Input signal processing an algorithm … …Journal of Computer Science, Vol. 2, Issue 7 · 31 Jul 2006 · 6,298 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Comparative Study of RSA Based Digital Signature AlgorithmsRamzi A. Haraty, A. N. El-Kassar, Bilal ShibaroA digital signature is a mechanism designed to allow secure communication through an insecure medium and can be traced in many applications where privacy is required. A digital signature is an electronic signature that can be used to authenticate the identity of the sender of a message or the signer of a document and possibly to ensure that the original … …Journal of Mathematics and Statistics, Vol. 2, Issue 1 · 31 Mar 2006 · 7,438 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHarmonic Elimination of Inverters using Blind Signal SeparationB. Justus Rabi, R. ArumugamHarmonics cause major problems in power system due to non linear loads. With the rapid growth in the utilization of the rectifier for critical loads, e.g. In computer or medical equipment the need for high quality uninterruptible power is increasing. The non-linear current drawn by the rectifier loads distort the output of UPS system. Mainly because of output filter impedance … …American Journal of Applied Sciences, Vol. 2, Issue 10 · 31 Oct 2005 · 6,903 accessesView PDFCite