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153 results for “G.V. Uma”
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Research ArticleOpen accessIn the author namesImproving Client Internal Capability to Monitor Public-Private Partnerships Projects: A ReviewNoor Amila Wan Abdullah Zawawi, Arazi Idrus, Abdullahi Ahmed Umar, Mohd Faris KhamidiPublic-Private Partnerships (PPP) or Private Finance Initiatives (PFI) are increasingly becoming very popular with governments across the globe for the provision of public infrastructure and services. When contracted, the public sector client believing the private sector will act in accordance with ‘bounded rationality’, ignores the constant monitoring and review process which is an integral part of any project. However, the … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 4 · 12 Feb 2013 · 7,893 accessesView PDFCite
Research ArticleOpen accessIn the author namesNovel Preprocessing Technique in the Computer Aided Detection of Breast CancerSenthilkumar Balasubramaniam, Umamaheswari GovindaswamyAnalyzing medical images is the most challenging task in medical image processing. Computer Aided Detection (CAD) tool is the aid for the radiologists in analyzing such images for the effective detection and diagnosis of the disease. Such a CAD tool consists of Preprocessing, Segmentation and detection processes. In this study we have improved the preprocessing by using the Selective Median … …Journal of Computer Science, Vol. 8, Issue 12 · 8 Nov 2012 · 6,651 accessesView PDFCite
Research ArticleOpen accessIn the author namesAn Enhanced Approach for Medical Brain Image EnhancementJ. Umamaheswari, G. RadhamaniProblem statement: One of the most common degradations in medical images is their poor contrast quality and noise. The DICOM image consists of speckle (multiplicative noise). While the image is enhanced, the multiplicative noise present in the image is also enhanced. Approach: This study describes the hybrid method to improve the image quality of Digital Imaging and Communications in Medicine … …Journal of Computer Science, Vol. 8, Issue 8 · 27 Jul 2012 · 6,969 accessesView PDFCite
Research ArticleOpen accessIn the author namesAn Optimal Approach for Medical Image AnalysisJ. Umamaheswari, G. RadhamaniProblem statement: Image segmentation is the process that subdivides an image into its constituent parts and extracts the objects. It is one of the most critical tasks in automatic image analysis because the subdivided results will affect all the subsequent processes of image analysis, such as object representation and description, feature measurement and even the following higher level tasks such … …Current Research in Bioinformatics, Vol. 1, Issue 1 · 6 Jun 2012 · 9,519 accessesView PDFCite
Research ArticleOpen accessIn the author namesInfluence of Oil Contamination on Geotechnical Properties of Basaltic Residual SoilZulfahmi Ali Rahman, Umar Hamzah, Mohd. Raihan Taha et al.Problem statement: Oil contamination due to accidental spillage or leakage brings hefty damage to the environments. It percolates steadily into subsurface environments and contaminates the soil and water system. Hydrocarbon contamination has not just affected the quality of the soil but will also alter the physical properties of oil-contaminated soil. Approach: This study presented the geotechnical properties of oil-contaminated soils … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 10,271 accessesView PDFCite
Research ArticleOpen accessIn the author namesWellbore Surveying While Drilling Based on Kalman FilteringMahmoud ElGizawy, Aboelmagd Noureldin, Jacques Georgy et al.Problem statement: Oil and gas are global fuels obtained primarily from drilling wells in underground terrestrial reservoirs. Vertical drilling is preferred because of its simplicity and therefore low cost, but subsurface targets can often be procured only by directing the wellbore along predefined non-vertical trajectories. For instance, directional drilling must be employed to reach locations inaccessible to the drilling rig, … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 8,584 accessesView PDFCite
Research ArticleOpen accessIn the author namesEvaluation of Antiangiogenic Effect of the Leaves of Justicia gendarussa (Burm. f ) (Acanthaceae) by Chrio Allontoic Membrane MethodK. Periyanayagam, B. Umamaheswari, L. Suseela et al.Problem statement: Angiogenesis involves the formation of new blood vessels from pre-existing blood vessels plays a crucial role in pathological processes such as diabetic retinopathy, arthritis and in the growth of solid tumors. Numerous reports had pointed out to the crucial role of neovascularization in the malignancy of tumors and other angiogenesis dependant diseases. Antiangiogenic therapy which targets activated endothelial … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 9,158 accessesView PDFCite
Research ArticleOpen accessIn the author namesInfluence of Quercetin on Diabetes-Induced Alteration in CYP3A Activity and Bioavailability of Pioglitazone in RatsSudhir Niranjan Umathe, Pankaj Vinod Dixit, Jignesh Manubhai Vaghasiya, Nishant Sudhir JainProblem statement: Quercetin-a common bioflavonoid, is present in herbal preparations consumed by diabetic patients along with routine anti-diabetic agents. We recently showed that quercetin increases the bioavailability of pioglitazone in non-diabetic rats. Thus, present study investigated whether this pharmacokinetic interaction is also evident in diabetic animals, especially because diabetic subjects have altered gastrointestinal (GI) function and CYP3A activity. Approach: The … …American Journal of Infectious Diseases, Vol. 5, Issue 2 · 30 Jun 2009 · 7,819 accessesView PDFCite
Research ArticleOpen accessIn the author namesNutritional control of HIV-AIDS-A case for SeleniumParisa Kalantari, Hema Vunta, Umamaheswari D. Palempalli et al.Selenium (Se) is a micronutrient that is incorporated into proteins. Some of the selenoenzymes such as GPXs and thioredoxin reductases exhibit glutathione peroxidase-dependent activities towards organic and inorganic peroxides. Thus, selenoenzymes play a pivotal role in mitigating oxidative stress caused by accumulation of peroxides. In this respect, selenoproteins may interfere with the transcription-driven by oxidative stress-dependent signaling mechanisms to influence … …American Journal of Infectious Diseases, Vol. 3, Issue 4 · 31 Dec 2007 · 7,346 accessesView PDFCite
Research ArticleOpen accessIn the author namesObject Based Video Analysis, Interpretation and TrackingA. Umamakeswari, A RajaramanThe role of computers in different facets of human life is increasing everyday, from one of supplementing his needs to one of integrating in the different activities, he is involved. This has become more predominant with the prolific developments in communication and internet. This brings in a need to raise the level of computers to the level of human beings … …Journal of Computer Science, Vol. 3, Issue 10 · 31 Oct 2007 · 6,684 accessesView PDFCite