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37 articles for “Medical Device”
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Research ArticleOpen accessIn the abstractWavelet Transform Based Automatic Lesion Detection in Cervix Images Using Active ContourP. S. Rama Praba, H. RanganathanColposcopy is a medical diagnostic procedure to examine an illuminated, magnified view of the cervix by a colposcope. Most cases of cervical cancer can be prevented through screening programs aimed at detecting precancerous lesions. Colposcopy cervical images are acquired in raw form which contains major cervix lesions, regions outside the cervix and parts of the imaging devices such as speculum. … …Journal of Computer Science, Vol. 9, Issue 1 · 31 Jan 2013 · 7,783 accessesView PDFCite
Research ArticleOpen accessIn the abstractField Programmable Gate Arrays Based Realization of Truncated MultipliersMuhammad H. Rais, Mohammed H. Al MijalliProblem statement: Due to high cost and non reconfiguration of Application Specific Integrated Circuits (ASICs) in image processing applications, for example MPEG video compression used in CT scan frames requires real time conditions and the algorithms should be verified and optimized before implementation. Approach: Field Programmable Gate Array (FPGA) provides reconfiguration and implementation at the same time. Results: The implementation … …American Journal of Applied Sciences, Vol. 8, Issue 7 · 24 Jun 2011 · 6,694 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Adhesive on Coupling Efficiency of Planar Light Waveguide PackagingYang Bo, Duan Ji-anProblem statement: Advanced optoelectronic devices are a kind of key and basic components for next generation communication, untouched sensor, medical testing. They have lots of advantages including greater communication performance, larger capacity, and more fixable form. But light coupling and package structure seriously affects performance of optoelectronic devices. So a lot of attaching methods were proposed to package optoelectronic devices. … …Current Research in Nanotechnology, Vol. 1, Issue 2 · 21 Jun 2011 · 7,140 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Event-Based Methodology to Generate Class Diagrams and its Empirical EvaluationSandeep K. Singh, Sangeeta Sabharwal, J. P. GuptaProblem statement: Event-based systems have importance in many application domains ranging from real time monitoring systems in production, logistics, medical devices and networking to complex event processing in finance and security. The increasing popularity of Event-based systems has opened new challenging issues for them. One such issue is to carry out requirements analysis of event-based systems and build conceptual models. … …Journal of Computer Science, Vol. 6, Issue 11 · 23 Oct 2010 · 7,626 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Optical Nonlinearity of Au and Ag Nanoparticle Prepared by the γ-Radiation MethodEsmaeil Shahriari, W. M.M. Yunus, Kazem Naghavi, Elias SaionProblem statement: The third order nonlinear optical properties of metal nanoparticles have been of interest in physical chemistry, medical diagnostics and optical devices. Gold colloidal nanoparticles are responsible for the brilliant reds seen in stained glass windows and silver particles are typically yellow. The purpose of the study was to determine the nonlinear refraction and absorption coefficient of the Au … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 9,541 accessesView PDFCite
Research ArticleOpen accessIn the abstractSynthesis and Characterization of Silver/Clay Nanocomposites by Chemical Reduction MethodMansor Bin Ahmad, Kamyar Shameli, Majid Darroudi et al.Problem statement: Silver Nanoparticles (Ag-NPs) have been synthesized by using chemical reduction method into the interlayer space of a Montmorillonite (MMT) as a solid support which is used to antibacterial application and polymer nanocomposites for fabrication of medical devices. Approach: AgNO3 and NaBH4 were used as a silver precursor and reducing agent, respectively. The properties of Ag/MMT nanocomposites were studied … …American Journal of Applied Sciences, Vol. 6, Issue 11 · 30 Nov 2009 · 8,169 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordTechnical Support of Preclinical Hydrodynamic and Functional Tests of New Medical Mechatronic Peristaltic Blood Pumps Developed by Central Research Institute of Robotics and CyberneticsAleksandr Vitaljevich Lopota, Nikolai Anatoljevich Gryaznov, Olga Valerjevna Velichko et al.The article considers the results of scientific research works on creation of hydrodynamic and functional experimental benches for pre-clinical physiological tests of new mechatronic peristaltic blood pumps. The conclusion states the need in carrying out such tests before the start of biological experiments involving animals. An example of the device developed at Central Research Institute of Robotics and Cybernetics-a centrifugal … …American Journal of Applied Sciences, Vol. 13, Issue 2 · 11 Feb 2016 · 7,250 accessesView PDFCite