Sri Vidya - Academia.edu (original) (raw)

Papers by Sri Vidya

Advances in Economics, Business and Management Research

Today new technologies were introduced for the comfort of people to manage their data ubiquitousl... more Today new technologies were introduced for the comfort of people to manage their data ubiquitously. But in Adhoc Networks there were several issues arises in real time access. Normally mobile devices are contrary to virtual reality, it pushes computing devices work with people anywhere and anytime. Further it’s infrastructure less and licenses free for individual product. One of the major drawbacks in Adhoc Network is related to optimization of bandwidth, because of Uniqueness of the model, effective dissemination of packets in multihop wireless adhoc networks with the objective to minimize the operational expense associated with it. In this paper, various techniques for packet distribution are discussed in detail. This paper would benefit both Adhoc network users and research scholars in overcoming the challenges faced.

Due to the features of low cost, simplicity of deployment, increased coverage, and enhanced capac... more Due to the features of low cost, simplicity of deployment, increased coverage, and enhanced capacity, multihop wireless networks such as ad hoc networks, mesh networks, and sensor networks that form the network in a self-organized manner without relying on fixed infrastructure is touted as the new frontier of wireless networking. Providing efficient quality of service (QoS) support is essential for such networks, as they need to deliver real-time services like video, audio, and voice over IP besides the traditional data service. Various solutions have been proposed to provide soft QoS over multihop wireless networks from different layers in the network protocol stack. However, the layered concept was primarily created for wired networks, and multihop wireless networks oppose strict layered design because of their dynamic nature, infrastructureless architecture, and time-varying unstable links and topology. The concept of cross-layer design is based on architecture where different la...

The interference imposes a significant negative impact on the performance of wireless networks. W... more The interference imposes a significant negative impact on the performance of wireless networks. With the continuous deployment of larger and more sophisticated wireless networks, reducing interference in such networks is quickly being focused upon as a problem in today's world. In this paper we analyze the interference reduction problem from a graph theoretical viewpoint. A graph coloring methods are exploited to model the interference reduction problem. However, additional constraints to graph coloring scenarios that account for various networking conditions result in additional complexity to standard graph coloring. This paper reviews a variety of algorithmic solutions for specific network topologies.

The graph-theoretic notions used here are those of (3). A graph is called perfect if the chromati... more The graph-theoretic notions used here are those of (3). A graph is called perfect if the chromatic number of each of its induced subgraph H equals the number of vertices in the largest clique of H; it is called strong perfect (4) if each of its induced subgraphs H contains a stable set which meets all the maximal cliques in H. (Here, as usual, 'maximal' is meant with respect to set-inclusion.) It is easy to show that every strongly perfect graph is perfect. Meyniel(5) proved that a graph is perfect whenever each of its odd cycles of length at least five has at least two chords. The purpose of this paper is to strengthen Meyniel's result as follows:

International Journal of Engineering Research and, 2015

Nowadays communication is a part of development of technology. So we determined to work on roboti... more Nowadays communication is a part of development of technology. So we determined to work on robotics and reduce the routine of human being and lift up opulence of their life. It deals with the design, creation, process and application of robots as well as computer system for their control. The proposed follower robot is an electronic system that can detect and follow the line. Generally, the line specifies a predefined path that can be either visible like a black line on a white surface with a high contrasted color using IR Array Sensor. This robot is used to decide the shortest path out of other long distance paths at the time of travelling. In this project perfect path is identified for solving the single source shortest path problem like Bellman ford Algorithm. A proximity sensor has been attached to the robot so that it can detect any obstacle in its ways.

Image compression is one of major challenge for multimedia encoding and decoding process in real ... more Image compression is one of major challenge for multimedia encoding and decoding process in real time world environment. We describes an echocardiogram coding method that takes into account the visualization modes in order to compress efficiently the echocardiogram, a methodology to evaluate compressed echocardiograms, and the evaluation of the compression method using the proposed evaluation methodology. The compression method takes advantage of the particular characteristics of each visualization mode and different compression techniques for each mode to compress efficiently the echocardiogram. A complete evaluation has been designed in order to recommend a minimum transmission rate for each operation mode that guarantees sufficient clinical quality. The evaluation of the echocardiograms compressed with the proposed method has been carried out. We perform MSPHIT approaches for compression process in echocardiogram images in real time applications.

License Plate Recognition (LPR) is a real time embedded system which automatically recognizes the... more License Plate Recognition (LPR) is a real time embedded system which automatically recognizes the license number of vehicles. In this Project, the task is implements a number plate localization and recognition system for vehicles in India. The system can recognize single and double line number plates under widely varying illumination conditions. They systems basically consist of 3 main processing steps such as: Detection of number plate, Segmentation of plate characters and Recognition of each character. The system is based on digital images; it recognizes the number plate written in Indian standard

Abstract: Gender classification such as classifying human face is only challenging for computer, ... more Abstract: Gender classification such as classifying human face is only challenging for computer, but even hard for human in some cases. In our work a new novel approach is proposed to recognize gender from the face image. Continuous Wavelet Transforms, Discrete Wavelet Transforms, Radon Transforms are used for features selections for each face images of male and female. These selected features will be used to classify the face images of each Gender using Support Vector Machine. Our work use ORL database contain 100 images include both Male and Female Gender. The experimental result shows that the proposed approach (Continuous wavelet Transform and Support Vector Machine). Proposed work achieves higher performance than some other methods, and is even more accurate than human observers. We also present a numerical analysis of the contributions of different human components, which shows that head, hair and back are more discriminative than other components. All the above prove that gai...

British Biomedical Bulletin, 2013

The aim of present study was to formulate and evaluate oral multiparticulate pulsatile release of... more The aim of present study was to formulate and evaluate oral multiparticulate pulsatile release of ramipril based on chrono-phamaceutical approach for the treatment of hypertension. In the present study the immediate release core mini tablets were prepared by direct compression by using various proportions of different superdisintegrants. The optimized core tablets were then coated with pH sensitive polymers like Eudragit -S100 and Eudragit- L100. To achieve the desired dissolution profile, various parameters like coating duration and coat thickness studied. The coated tablets were evaluated for hardness, thickness, friability, weight variation, drug content, and disintegration time and in-vitro drug release. In-vitro drug release was found to be 98 % from coated tablets in 20 min after 5 hrs lag time. FT-IR spectra revealed that there is no chemical incompatibility between the drug and other excipients. Scanning electron micrograph of optimized tablet shown that the thickness level ...

In this paper, we introduce the notion of intuitionistic fuzzy ideal and intuitionistic fuzzy R-i... more In this paper, we introduce the notion of intuitionistic fuzzy ideal and intuitionistic fuzzy R-ideal in semi ring and investigate some properties of intuitionistic fuzzy R-ideals of semiring.

International Journal for Scientific Research and Development, 2014

Cloud computing is an emerging computing technology that enables users to distantly store their d... more Cloud computing is an emerging computing technology that enables users to distantly store their data into a cloud so as to enjoy scalable services when required. And user can outsource their resources to server (also called cloud) using Internet. Security is one of the major issues which reduces the growth of cloud computing and complications with data privacy and data protection continue to plague the market. Attribute-based encryption (ABE) can be used for log encryption. This survey is more specific to the different security issues on data access in cloud environment.

International Journal of Advance Research and Innovative Ideas in Education, 2016

A wireless sensor network (WSN) typically has little or no transportation. It contain of a number... more A wireless sensor network (WSN) typically has little or no transportation. It contain of a number of sensor nodes (few tens to thousands) working together to monitor a region to obtain data about the environment. Wireless sensor network are used to producing wireless sensor nodes. It trend to exploit number transferable wireless sensors in wireless sensor networks to enhance the quality of service. The QOS is affricated by the lifetime and breakdown of sensor nodes. The cause of rupture is increase with optimization of sensors nodes. To conserve best QoS under destructive or failing condition finding and expelling such flaw sensor nodes are mandatory. In the nodes are mandatory. In the proposed method faculty sensor is recognized by detached or discrete path assortment technique by comparing the actual RTT with present prevented by the genetic algorithm. Genetic algorithm blending of five steps which strengthen fault node. It enhances the number of functional nodes, lesson the rate ...

In this paper, a new method for Lung tissue Classification using Patch adaptive sparse approximat... more In this paper, a new method for Lung tissue Classification using Patch adaptive sparse approximation with two feature descriptors is proposed. Operator assisted classification methods are impractical for large amounts of data .High resolution Computed Tomography images contain a noise caused by operator performance which can lead to serious inaccuracies in classification. We design two new feature descriptors for higher feature descriptiveness, namely the rotation-invariant Gabor-local binary patterns (RGLBP) texture descriptor and multi-coordinate histogram of oriented gradients (MCHOG) gradient descriptor. Each image patch is then labeled based on its feature approximation from reference image patches. Decision making was performed in two steps i) Feature extraction using the two feature descriptors ii) classification using Patch adaptive sparse

International Journal of Research in Engineering and Technology, 2013

International Journal of Science, Technology and Humanities, 2014

Genetics in Medicine, 2019

Purpose: To evaluate self-referral from the Internet for genetic diagnosis of several rare inheri... more Purpose: To evaluate self-referral from the Internet for genetic diagnosis of several rare inherited kidney diseases. Methods: Retrospective study from 1996 to 2017 analyzing data from an academic referral center specializing in autosomal dominant tubulointerstitial kidney disease (ADTKD). Individuals were referred by academic health-care providers (HCPs) nonacademic HCPs, or directly by patients/families. Results: Over 21 years, there were 665 referrals, with 176 (27%) directly from families, 269 (40%) from academic HCPs, and 220 (33%) from nonacademic HCPs. Forty-two (24%) direct family referrals had positive genetic testing versus 73 (27%) families from academic HCPs and 55 (25%) from nonacademic HCPs (P = 0.72). Ninety-nine percent of direct family contacts were white and resided in zip code locations with a mean median income of 77,316±34,014versusUSmedianincome77,316 ± 34,014 versus US median income 77,316±34,014versusUSmedianincome49,445. Conclusion: Undiagnosed families with Internet access bypassed their physicians and established direct contact with an academic center specializing in inherited kidney disease to achieve a diagnosis. Twenty-five percent of all families diagnosed with ADTKD were the result of direct family referral and would otherwise have been undiagnosed. If patients suspect a rare disorder that is undiagnosed by their physicians, actively pursuing selfdiagnosis using the Internet can be successful. Centers interested in rare disorders should consider improving direct access to families.

International Journal of Advanced Computer Science and Applications, 2012

This article explores data mining techniques in health care. In particular, it discusses data min... more This article explores data mining techniques in health care. In particular, it discusses data mining and its application in areas where people are affected severely by using the underground drinking water which consist of high levels of fluoride in Krishnagiri District, Tamil Nadu State, India. This paper identifies the risk factors associated with the high level of fluoride content in water, using clustering algorithms and finds meaningful hidden patterns which gives meaningful decision making to this socioeconomic real world health hazard. [2]

World Journal of Condensed Matter Physics, 2012

Nanocrystalline ZnO thin films have been fabricated by a multi-step sol-gel method using spin coa... more Nanocrystalline ZnO thin films have been fabricated by a multi-step sol-gel method using spin coating technique. Zinc acetate dihydrate, 2-methoxyethanol and monoethanolamine were used as a starting material, solvent and stabilizer, respectively. X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) were employed to characterize structure and morphologies of the as-deposited samples. The results of XRD and SEM showed that the heat treatment conditions, final rotational (spinning) speed, fume exhaust and precise control of concentration of reactants (precursor and solvent used) strongly affect the crystallographic orientation and morphology of the resultant ZnO films. The XRD pattern showed that the ZnO films formed the preferred orientation along c-axis and the grain size is 16nm for the samples. Only one peak corresponding to the (002) plane at 2θ = 34.34˚ appears on the diffractograms. The as-deposited films had a transparency of greater than 80% in the visible-near IR region from 400 nm-800 nm. The optical band gap energy and thickness were calculated to be 3.296 eV and 266 nm respectively.

International Journal of Computer Applications, 2011

This paper deals with the problem of extracting the text information from complex ground from col... more This paper deals with the problem of extracting the text information from complex ground from color document images. Developing general framework for separating the foreground text and background information from complex document image is still a challenging problem because of its high unpredictability and complexity. In this paper a new interval type-2 fuzzy based thresholding method is proposed for processing color document images. The proposed method is experimented with varying background of multiple colors and texture and foreground text in any color, font, size and orientation. Experimental results show that the performance of the proposed approach is better than the existing ones.