Rajalakshmi Institute of Technology

Chennai, India

Rajalakshmi Institute of Technology

Chennai, India

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Senthil Kumar T.K.,Rajalakshmi Institute of Technology | Narasimhan G.,Anna University | Umamaheswari R.,Rajalakshmi Engineering College
International Review on Computers and Software | Year: 2014

Lung cancer has become one of the leading causes of cancer related death in both men as well as women which ranges for about 30% of cancer death occurring in the world. Medical image analysis is a complex task in which a human expert makes extensive use of the knowledge of anatomy and imaging techniques. Specially, the detection of the presence of lung nodules is challenging problem from a computer vision point of view. The early detection of the lung cancer can definitely improve the long term health of those people diagnosed with it. Evaluation of the variation of cardiac size from month to month by taking serial chest images remains crucial for the treatment of lung cancer. In this paper, we have proposed an efficient method for detecting the presence of the lung nodule with the help of CT images. The proposed method is carried out using three processes such as segmentation, classification and detection. Here we utilized clustering for classifying the lung images as normal or abnormal image. These methods helped to improve the early detection of the lung nodules. Our proposed method proved to be a highly efficient method for the detection of lung nodule with high rate of accuracy. © 2014 Praise Worthy Prize S.r.l. - All rights reserved.

Shanthi R.,Rajalakshmi Engineering College | Anandan S.S.,Rajalakshmi Institute of Technology | Ramalingam V.,Anna University
Thermal Science | Year: 2012

Nanofluids are colloidal mixtures of nanometric metallic or ceramic particles in a base fluid, such as water, ethylene glycol or oil. Nanofluids possess immense potential to enhance the heat transfer character of the original fluid due to improved thermal transport properties. In this article, a brief overview has been presented to address the unique features of nanofluids, such as their preparation, heat transfer mechanisms, conduction and convection heat transfer enhancement, etc. In addition, the article summarizes the experimental and theoretical work on pool boiling in nanofluids and their applications.

Shanthi S.,Rajalakshmi Institute of Technology | Ramani R.G.,Rajalakshmi Engineering College
IEEE-International Conference on Advances in Engineering, Science and Management, ICAESM-2012 | Year: 2012

Road accident analysis is very challenging task and investigating the dependencies between the attributes become complex because of many environmental and road related factors. In this research work we applied data mining classification techniques to carry out gender based classification of which RndTree and C4.5 using AdaBoost Meta classifier gives high accurate results. The training dataset used for the research work is obtained from Fatality Analysis Reporting System (FARS) which is provided by the University of Alabama's Critical Analysis Reporting Environment (CARE) system. The results reveal that AdaBoost used with RndTree improvised the classifier's accuracy. © 2012 Pillay Engineering College.

Stella K.,Sree Sastha Institute of Engineering and Technology | Ganesh E.N.,Rajalakshmi Institute of Technology
International Journal of Applied Engineering Research | Year: 2015

Wireless Sensor Network (WSN) is usually composed of large number of sensor nodes. These sensor nodes are often densely deployed in a sensor field. Due to limited scarce resources, it is not possible to use complex secure routing protocols in WSNs. In SEDR (Secure and Energy Efficient Disjoint multi path Routing protocol), sliced packet shares are delivered randomly. When a Regional Dispersive Relay Node receives shares from more than one source nodes, Regional Dispersive node has to find Identical Hop Relay nodes for each share. For each share, new route discovery process was established. So, in SEDR, route selection process becomes more complex and there is a possibility of collisions. In this paper, we propose an Arc length and residual energy based Multi path Secure Routing protocol (ALRMSR) for WSNs. The proposed arc length based algorithm increases the network performance and life time and also reduces the message overhead. © Research India Publications.

Krishnamurthy S.,Anna University | Narasimhan G.,Rajalakshmi Institute of Technology | Rengasamy U.,Velammal Engineering College
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine | Year: 2016

The three-dimensional analysis on lung computed tomography scan was carried out in this study to detect the malignant lung nodules. An automatic three-dimensional segmentation algorithm proposed here efficiently segmented the tissue clusters (nodules) inside the lung. However, an automatic morphological region-grow segmentation algorithm that was implemented to segment the well-circumscribed nodules present inside the lung did not segment the juxta-pleural nodule present on the inner surface of wall of the lung. A novel edge bridge and fill technique is proposed in this article to segment the juxta-pleural and pleural-tail nodules accurately. The centroid shift of each candidate nodule was computed. The nodules with more centroid shift in the consecutive slices were eliminated since malignant nodule's resultant position did not usually deviate. The three-dimensional shape variation and edge sharp analyses were performed to reduce the false positives and to classify the malignant nodules. The change in area and equivalent diameter was more for malignant nodules in the consecutive slices and the malignant nodules showed a sharp edge. Segmentation was followed by three-dimensional centroid, shape and edge analysis which was carried out on a lung computed tomography database of 20 patient with 25 malignant nodules. The algorithms proposed in this article precisely detected 22 malignant nodules and failed to detect 3 with a sensitivity of 88%. Furthermore, this algorithm correctly eliminated 216 tissue clusters that were initially segmented as nodules; however, 41 non-malignant tissue clusters were detected as malignant nodules. Therefore, the false positive of this algorithm was 2.05 per patient. © 2015 Institution of Mechanical Engineers.

Kumar S.P.,Rajalakshmi Institute of Technology | Pandithurai O.,Anna University
2013 International Conference on Information Communication and Embedded Systems, ICICES 2013 | Year: 2013

Sixth Sense technology is a technology with which a system could be trained to recognize and percept real world objects and react as desired. Sixth Sense technology bridges the gap between the physical world and the digital world, bringing intangible, digital information out into the tangible world, and allowing us to interact with this information via natural hand gestures. Sixth Sense technology is implemented in 'Sixth Sense/WUW (wear your world) using gesture recognition, augmented reality, computer vision and radio frequency identification. We have proposed that Sixth Sense technology could be integrated with voice recognition. Also bluetooth device and laser projectors could be used. © 2013 IEEE.

Vigneshwaran P.,Rajalakshmi Institute of Technology | Dhanasekaran R.,Syed Ammal Engineering College
ARPN Journal of Engineering and Applied Sciences | Year: 2015

Mobile Ad hoc Networks (MANET) is identified as an emerging field for the researchers to work on, as there is a huge increase of mobile users nowadays. Applications such as emergency searches, recues, military battlefields, etc., uses the MANET, as it is not possible to establish a fixed network for communication. Especially multicast routing has been preferred to satisfy such needs since same information can be transmitted to a group of users. Even though, many multicast routing protocols had been proposed, still the performance of the multicast routing protocol is lacking to achieve reliability and scalability in MANET while transmitting a packet to multiple users. In this paper, we have proposed a multicast routing protocol to improve the Packet Delivery Ratio (PDR) with minimum control overhead and delay based on intelligent data analysis techniques such as Radial Basis Function (RBF). The main aim of the analysis is used to identify the probability of optimum forwarding group node based on the information augmented with the JOIN_QUERY packet. The performance evolution shows that the proposed approach ensures the PDR and reduction in control overhead significantly. © 2006-2015 Asian Research Publishing Network (ARPN).

Anandan S.S.,Rajalakshmi Institute of Technology | Bhaskaran A.,Rajalakshmi Institute of Technology
International Journal of Exergy | Year: 2012

Thermo-economic analysis of Heat Pipe Heat Exchanger (HPHE) for waste heat recovery in thermal systems using the P1-P2 and NTU methods is presented. The optimum effectiveness of a HPHE is given as a polynomial equation, whereas the net savings and payback period are given in closed form to enable the HPHE designer to determine the optimised values directly. In addition to this, exergy analysis of HPHE for waste heat recovery in thermal systems is formulated. The variation of exergy effi ciency with respect to change in inlet temperature is also presented. © 2012 Inderscience Enterprises Ltd.

Ashok M.,Rajalakshmi Institute of Technology | Sathiyan S.,Rajalakshmi Institute of Technology
Communications in Computer and Information Science | Year: 2012

Now a days the power of distributed computing is explored the ventures of grid computing and cloud computing. Grid computing is used to solve any large scale scientific problems by integrating geographically distributed ideal resources. Cloud computing is the next generation of grid computing and also it is an on demand version of grid computing. Especially in grid computing, the research on identifying best resources is still on its way. In this paper, we are contributing a methodology to identify the best resources for computational grid. The proposed solution will focus and extract the trust of the resource with more accuracy. © 2012 Springer-Verlag.

Thirumalaiselvam B.,Presidency College at Chennai | Thirumalaiselvam B.,P.A. College | Kanagadurai R.,Presidency College at Chennai | Jayaraman D.,Presidency College at Chennai | Natarajan V.,Rajalakshmi Institute of Technology
Optical Materials | Year: 2014

Single crystals of 4-methyl benzene sulfonamide (4MBS) were successfully grown from aqueous solution by low temperature solution growth technique. The grown crystal was characterized by single crystal XRD and powder XRD methods to obtain the lattice parameters and the diffraction planes of the crystal. UV-vis-NIR absorption spectrum was used to measure the range of optical transmittance and optical band gap energy. The optical transmission range was measured as 250-1200 nm. FTIR spectral studies were carried out to identify the presence of functional groups in the grown crystal. The thermal behavior of the crystal was investigated from thermo gravimetric analysis (TGA) and differential scanning calorimetry (DSC) study. The absence of SHG was noticed by Kurtz and Perry powder technique. The third order NLO behavior of the material was confirmed by measuring the nonlinear optical properties using Z-scan technique and it was found that the crystal is capable of exhibiting saturation absorption and self-defocusing performance. Crown Copyright © 2014 Published by Elsevier B.V. All rights reserved.

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