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Kavitha, R.
- Collection Development in Digital Libraries: Trends and Problems
Abstract Views :456 |
PDF Views:294
Authors
Affiliations
1 Library, S.D.N.B. Vaishnav College for Women, Chennai-600 044, IN
1 Library, S.D.N.B. Vaishnav College for Women, Chennai-600 044, IN
Source
Indian Journal of Science and Technology, Vol 2, No 12 (2009), Pagination: 68-73Abstract
This paper describes various trends in collection development in digital environment. The changes that have occurred in acquisition, retrieval and storage of information due to technological developments have been discussed. Limitations, restrictions and problems being faced by librarians and readers due to the same have also been discussed. The way these developments have affected the academic environment and changed the role of librarian has also been portrayed.Keywords
Digital Library, Problem, Archive, Learning, IndiaFull Text
References
- Bhatt RK and Singh K P (2004) Digital libraries: emergence features, challenges and opportunities. Tata Energy & Res. Instt., New Delhi. pp: 49-55.
- Choudhary Parvin Kumar, Bhattacharya Partha and Khan SD (2004) Concept of copyright in digital environment the legal issues in relation to WTO obligations and the doctrine and the doctrine of “Fair use”. Tata Energy & Res. Instt., New Delhi. pp:66-72.
- Das Subarna (2004) Digital libraries in developing countries: fears and barriers. Tata Energy & Res. Instt., New Delhi. pp: 997.
- Deoghuria Swapan (2004) Are research libraries in India prepared in digital age? Tata Energy & Res. Instt., New Delhi. pp: 76-80
- Dillon Dennis (1999) Making the wild wind visible: Information technology in a brave new world. Haworth Press, New York. pp: 47-61.
- Jakubs Deborahs (1999) Staffing for collection development in electronic environment: Towards a new definition of roles and responsibilities. Haworth Press, New York. pp: 71.
- Jakubs Deborahs (1999) Staffing for collection development in electronic environment: Towards a new definition of roles and responsibilities. J. Library Admin. 28(4), 71-83.
- Laxman N. Rao (2006) Knowledge–sharing activities in India. Library Trends. 54(3), 463-484.
- Nagar BR (2003) Digital library: Issues related with the digitization and sharing of resources. In: Electronic information environment and library services: A contemporary paradigm. 48th ILA Conf. Papers, Bangalore, NIMHANS. Ed. Sharma & Pandey SK, Indian Library Association, Delhi. pp:178-191.
- Parekh Harsha (2003) IT and its impact on libraries. In: SHPT–School of Library Science Past Students Association, Bombay pp:143-158.
- Satija MP ( 2003) Digital information systems and services. Laslic Bull. 48 (1), 10-13.
- Satija MP (2005) Delivery of information services through distributed information environment: some stray thoughts and issues. Soc. for Information Sci., New Delhi. pp:1-5.
- Sipe Lynn (2006) Understanding the workflow complexities of dealing with electronic resources. In: Current issues in collection development: Italian and global perspectives: Proc. Intl. Workshop on Collection Development. 18th February 2005, Bologna. pp: 171-184.
- Stoffle Caral J, Fore Janet and Allen Barbara (1999) Developing the new models for collection development. Haworth Press, New York pp:71.
- Vohra Rajana (1999) Collection development and management in university libraries in the current electronic information environment. Laslic Bull. 48(4) 224-230.
- William Bernard (2002) Truth and Truthfulness. University Press, Princeton.
- In vitro Antibacterial Activity and Phytochemical Composition of Kedrostis foetidissima (Jacq.) Cogn.
Abstract Views :379 |
PDF Views:208
Authors
Affiliations
1 Dept of Botany, Bharathi Women's College (Autonomous), Chennai- 600108, IN
2 Prist University, Thanjavur, TN-613001, IN
3 Research Dept of Botany, Govt Arts College for Men(Autonomous), Nandanam, Chennai-600035, IN
1 Dept of Botany, Bharathi Women's College (Autonomous), Chennai- 600108, IN
2 Prist University, Thanjavur, TN-613001, IN
3 Research Dept of Botany, Govt Arts College for Men(Autonomous), Nandanam, Chennai-600035, IN
Source
Indian Journal of Drugs and Diseases, Vol 3, No 1 (2014), Pagination: 305-310Abstract
Objectives: In this study the phytochemical composition of the methanolic leaf extracts of Kedrostis foetidissima (Jacq.) Cogn., and its antibacterial activity against Klebsiella pneumoniae, Shigella sonnei, Salmonella typhi and Vibrio cholerae were evaluated.
Methods: The antibacterial activity of the methanolic leaf extract was done by Agar Well diffusion assay. Broth dilution assay was used to determine the Minimum Inhibitory Concentration (MIC). Quantitative and qualitative phytochemical analysis for the methanolic leaf extract was carried out using standard protocols. Chromatographic and GC-MS analysis of the crude leaf extracts were also carried out.
Results: Among the four test bacteria used, the methanolic leaf extract showed greater antibacterial activity on Klebsiella pneumoniae with a maximum growth inhibition of 33 mm diameter at its MIC value of 100 μg/ml. The phytochemical analysis of methanolic leaf extract confirmed the high level presence of alkaloids and flavonoids (19.85%; 21.68% respectively of the dry weight of the extract) followed by phenols (3.84%) and reducing sugars. TLC showed six different bioactive components as detected by UV and two by Iodine chamber; while GC-MS analysis revealed the presence of around 59 compounds.
Conclusion: The usage of the leaves of this plant as an effective medicine against cough, cold, asthma and other respiratory ailments in infants and adults could be due to the antibacterial activity of the leaf extract and higher quantity of alkaloids and flavonoids found in it.
Keywords
Kedrostis Foetidissima, Antibacterial Activity, Phytochemical Analysis, TLC, GC-MSFull Text
- Security Issues Using Multi Clouds
Abstract Views :161 |
PDF Views:3
Authors
Affiliations
1 Parisutham Institute of Technology and Science, Thanjavur affiliated to Anna University, Tiruchirapalli, IN
1 Parisutham Institute of Technology and Science, Thanjavur affiliated to Anna University, Tiruchirapalli, IN
Source
Networking and Communication Engineering, Vol 4, No 5 (2012), Pagination: 289-294Abstract
Cloud computing is one of today‟s most exciting technologies, which involves deployment of various services like software, web services and virtualized infrastructure, as a product on public, private or hybrid clouds on lease basis. Security is considered to be one of the most critical aspects in a cloud computing environment due to the sensitive and important information stored in the cloud for users. The customers face difficult in trading single cloud providers due to risk in service availability and the possibility of malicious insiders. A movement towards "multi-clouds" or in other words, "inter clouds" or "cloud-of-clouds" has emerged recently. Movement towards multi cloud will mitigate the security problem. This paper explains characteristics and the delivery models for cloud computing in short and focuses on the security factors in cloud computing and addresses possible solutions. The paper analyzes the recent research related to the protocols for inter clouds. This work aims to promote the use of multi-clouds due to its ability to reduce security risks that affect the cloud computing user.
Keywords
Cloud Computing, Cloud Storage, Data Integrity, Data Intrusion, Database-as-a-Service, Multi-Clouds, Security, Single Cloud, Service Availability.
- Effect of Supplementation of Fermented Dairy Product Containing L. sporogenes, L. bulgaricus and S. thermophilus on Serum Lipid Profile of Hypercholesterolemic Subjects
Abstract Views :199 |
PDF Views:0
Authors
Affiliations
1 Department of Home Science, Women's Christian College, Chennai - 600 006, IN
1 Department of Home Science, Women's Christian College, Chennai - 600 006, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 44, No 5 (2007), Pagination: 261-269Abstract
Hypercholesterolemia is one of the major causes of coronary heart diseases in humans. The total cholesterol level is directly related to the development of coronary heart disease. Blood cholesterol reduction can be achieved by dietary modification as well as by drugs. Drugs are less preferred due to their side effects and are prescribed only in treating severe cases. Hence, dietary modifications are the first in the line of treating hypercholesterolemia.- Privacy Preserving Data Mining at Different Trust Levels
Abstract Views :157 |
PDF Views:2
Authors
Affiliations
1 Velammal College of Engineering and Technology, Madurai, IN
2 Department of Computer Science, Velammal College of Engineering and Technology, Madurai, IN
3 Sri Ramakrishna Engineering College, Coimbatore, IN
4 Hindustan University, Chennai, IN
1 Velammal College of Engineering and Technology, Madurai, IN
2 Department of Computer Science, Velammal College of Engineering and Technology, Madurai, IN
3 Sri Ramakrishna Engineering College, Coimbatore, IN
4 Hindustan University, Chennai, IN
Source
Data Mining and Knowledge Engineering, Vol 5, No 3 (2013), Pagination: 123-128Abstract
Privacy preserving data mining has become increasingly popular because it allows sharing of privacy sensitive data for analysis purposes. So people have become increasingly unwilling to share their data, frequently resulting in individuals either refusing to share their data or providing incorrect data.The difficulty in privacy-sensitive domain is solved by the development of the Multi-Level Trust Privacy Preserving Data Mining (MLT-PPDM) where multiple differently perturbed copies of the same data are available to data miners at different trusted levels. In MLT-PPDM data owners generate perturbed data by various techniques like Batch generation and On-demand generation. MLT-PPDM can overcome the diversity attacks. Partial information hiding methodologies like random perturbation, random rotation perturbation are incorporated with MLT-PPDM to enhance data security and to prevent leakage of the sensitive data. The solution allows a data owner to generate perturbed copies of its data for arbitrary trust levels on demand. Finally MLT-PPDM approach is improved to tackle against the non-linear attacks. The time and space complexities are calculated for both techniques and the results show that on-demand algorithm is best among them.Keywords
Gaussian Noise, Multi-Level Trust, Partial Information Hiding, Perturbation Technique, Single Level Trust.- Intellectual Question Categorization for Assessing the Learner Performance in E-Learning
Abstract Views :165 |
PDF Views:4
Authors
Affiliations
1 Department of MCA, Aloysius Institute of Management and Information Technology (AIMIT), Mangalore, Karnataka, IN
1 Department of MCA, Aloysius Institute of Management and Information Technology (AIMIT), Mangalore, Karnataka, IN
Source
Data Mining and Knowledge Engineering, Vol 3, No 8 (2011), Pagination: 454-458Abstract
E-learning plays a critical role in education. Each learner is having their own way of learning style that cannot be assessed in an exclusive way. They should not be evaluated only on number of right and wrong answers. Testing must be intelligent to pose intellectual questions based on the performance during the session. So, questions have to be classified based on the item difficulty using item responses. The study involves the categorization of questions based on ANN and ANFIS techniques. This paper reports the investigation of the effectiveness and performances of these methods to observe the question classification abilities depending on item responses, item difficulty and question levels. The effectiveness of these methods was evaluated by comparing the performance and class correctness. The comparative test performance analysis based on error rating revealed that ANFIS yield better performance. This study is focused because, each item affects a students' overall success throughout the test in terms of difficulty.Keywords
Intellectual Question Classification, E-Learning, ANFIS.- Data Warehouse Automation–A Review
Abstract Views :203 |
PDF Views:1
Authors
A. S. Kavitha
1,
R. Kavitha
1
Affiliations
1 Department of Computer Science, P.S.G.R. Krishnammal College for Women, Coimbatore, IN
1 Department of Computer Science, P.S.G.R. Krishnammal College for Women, Coimbatore, IN
Source
Data Mining and Knowledge Engineering, Vol 2, No 10 (2010), Pagination: 326-331Abstract
Business enterprises invest lots of money to develop data warehouse that gives them real, constant and up to date data for decision making. To keep data warehouse update, traditionally, data warehouses are updated periodically. Periodic updates make a delay between operational data and warehouse data. These updates are triggered on time set; some may set it to evening time when there is no load of work on systems. This fixing of time does not work in every case. Many companies run day and night without any break, then in these situations periodic updates stale warehouse. This delay depends upon the periodic interval, as interval time increase the difference between operational and warehouse data also increase. The most recent data is unavailable for the analysis because it resides in operational data sources. For timely and effective decision making warehouse should be updated as soon as possible. Extraction, Transformation and Loading (ETL) are designed tools for the updating of warehouse. When warehouse is refreshed for the update purpose, it often gets stuck due to overloading on resources. Perfect time should be chosen for the updating of warehouse, so that utilize our resources can be utilized efficiently. Warehouse is not updated once, this is cyclic process. Here this paper is introducing automation for ETL, the proposed framework will select best time to complete the process, so that warehouse gets updated automatically as soon as resources are available without compromising on data warehouse usage.Keywords
ETL, Updating, Loading, Data Warehouse.- Prevention of Cervical Cancer Disease Based on the Effective Screening Stage
Abstract Views :141 |
PDF Views:3
Authors
Affiliations
1 PSN College of Engineering & Technology, Melathediyoor, IN
1 PSN College of Engineering & Technology, Melathediyoor, IN
Source
Biometrics and Bioinformatics, Vol 4, No 6 (2012), Pagination: 243-246Abstract
The cervix is the lower part of the uterus (womb). It is sometimes called the uterine cervix. The body of the uterus (the upper part) is where a baby grows. The cervix connects the body of the uterus to the vagina (birth canal). The part of the cervix closes to the body of the uterus is called the endocervix. The part next to the vagina is the exocervix (or ectocervix). Cervical cancer is a preventable disease and it is affected by a women’s cervical cell. Early diagnosis and treatment is successful in the majority of cases. This paper will be help to any women who would like to know what screening involves and how a diagnosis of cervical cancer is made.Keywords
Cancer, Causes, Screening, Symptoms, Diagnosis, Colposcopy.- An Effective Classification of Heart Rate Data using PSO-FCM Clustering and Enhanced Support Vector Machine
Abstract Views :218 |
PDF Views:0
Authors
R. Kavitha
1,
T. Christopher
2
Affiliations
1 Department of Computer Science, PSGR Krishnammal College for Women, Coimbatore - 641004, Tamil Nadu, IN
2 Department of Research and PG Computer Science, Government Arts College, Coimbatore - 641018, Tamil Nadu, IN
1 Department of Computer Science, PSGR Krishnammal College for Women, Coimbatore - 641004, Tamil Nadu, IN
2 Department of Research and PG Computer Science, Government Arts College, Coimbatore - 641018, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 8, No 30 (2015), Pagination:Abstract
Background/Objectives: Heart Rate Variability is an essential feature which decides the condition of human heart. ECG is used as diagnostic tool to access the electrical function of the heart. Methods/Statistical Analysis: The nine linear and nonlinear features are derived from the HRV signals. The feature extraction is carried out with the help of Particle Swarm Optimization (PSO) for data reduction. In proposed scheme Fuzzy C-Means (FCM) clustering and classifier integrated to enhance the accuracy result for ECG beat classification. Findings: The Enhanced SVM classifier classifies the heart rate data. Enhanced SVM classifier groups the linear and non-linear parameters as inputs, which are derived from the HRV signal. The denoise signals are classified and identifies the pattern for better classification of ECG signal. Application/Improvements: The proposed scheme is experimented with the assistance of the most commonly used MIT-BIH arrhythmia database and adequate results were obtained with an accuracy level of 98.38% than the other well-known approaches.Keywords
Classification, EGC, ESVM, FCM, HRV, PSOFull Text
- Implementation of Cloud based Electronic Health Record (EHR) for Indian Healthcare Needs
Abstract Views :154 |
PDF Views:0
Authors
Affiliations
1 Department of CSE, Vel Tech University, Chennai - 600062, Tamil Nadu, IN
1 Department of CSE, Vel Tech University, Chennai - 600062, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 9, No 3 (2016), Pagination:Abstract
Background/Objectives: EHR means the digital version of the patients medical report, in store the data in real time, it contains medication and treatment history which includes the broader view of patients care and it also contains patients medical history, diagnosis, medications, treatment plans, immunization data, allergies, radiology images, laboratory and test results. Methods/Statistical Analysis: The main intention of EHR is to have access to evidence based tools that health providers can make use to make decision and disease diagnosis about the patients care delivery. The current population of India (2014) is 1.27 billion. About 72.2% of the population lives in some 638,000 villages and the rest 27.8% in about 5,480 towns and urban agglomerations. Findings: In our proposed work we develop Electronic Health Records (EHR) to integrate with the health care providers all over India and to implement it with the cloud infrastructure. The main challenges that are addressed in this works are, handling heterogeneous data, data storage, use of data analytics tool for decision making, data privacy and the data security. Application/Improvements: This can be used to integrate the healthcare management system. Once implemented it provides remote medication, vaccination management, disease diagnosis, remote diagnosis and remote real time monitoring and personal health record.Keywords
Clinical Data, Cloud, Feature Selection, Medical DiagnosisFull Text
- Computer Aided Diagnosis for Detection and Stage Identification of Cervical Cancer by Using Pap Smear Screening Test Images
Abstract Views :171 |
PDF Views:3
Authors
Affiliations
1 Department of Centre for Information Technology and Engineering, Manonmaniam Sundaranar University, IN
2 Department of Computer Application, Sengamala Thayaar Educational Trust Women’s College, IN
3 Department of Computer Science and Engineering, PSN College of Engineering and Technology, IN
1 Department of Centre for Information Technology and Engineering, Manonmaniam Sundaranar University, IN
2 Department of Computer Application, Sengamala Thayaar Educational Trust Women’s College, IN
3 Department of Computer Science and Engineering, PSN College of Engineering and Technology, IN
Source
ICTACT Journal on Image and Video Processing, Vol 6, No 4 (2016), Pagination: 1244-1251Abstract
The majority of the women of the world were affected by the disease of cervical cancer. As a result of this disease, their death rate was increase as hasty level. Hence so many number of research people was focused this notion as their research interest and also they have done so many number of solutions for finding this cancer by using some image processing technique and achieved a good results only in advanced and high cost techniques of LBC, biopsy or Colposcopy test Images. Therefore the reason, the authors have chosen this problem and also did not only to find whether the patient is affected by a cancer or not. In addition to the patient was affected by this cancer means and also to identify which severity stage of this disease the patient could be live. Then this work has done in based on the images of low cost pap smear screening test by using various image processing techniques with the help of Computerized Image Processing Software Interactive Data Language (IDL-Image Processing Language). Thus the final reports would be very useful to the pathologists for further analysis.Keywords
Cancer, Cervical Cancer, Nuclei Segmentation, Feature Identification, Classification.- A Study on the Perception of Customers Towardse-Commerce and E-Payments in Local Survey
Abstract Views :228 |
PDF Views:2
Authors
Affiliations
1 Sri Krishna Arts and Science College, Coimbatore, IN
1 Sri Krishna Arts and Science College, Coimbatore, IN
Source
KHOJ: Journal of Indian Management Research and Practices, No 2016 Spl, Pagination: 12-17Abstract
Electronic commerce or e-commerce refers to a wide range of online business activities for products and services or the transmission of funds or data over an electronic network. A variety of applications are used in conducting the e-commerce such as online shopping, carts and catalogs, electronic data interchange. The trust in E-commerce mainly depends upon the online payment system which allows a customer to make payment to the online merchant or service provider. Consumers are becoming more and more comfortable in making online transactions and are concerned about conducting electronic business transactions and the risks involved that have a vital impact on the transition of electronic business. Increasingly more consumers are migrating to Electronic-commerce to make electronic bill payments, to pay for information online, to purchase products, services. This paper deals mainly with consumers' willingness to conduct Electronic-commerce and their knowledge of the security measures used in online transactions. This study reveals the customer's perception towards e-commerce and e-payments. The study is conducted among 100 respondents and a description of the research process is provided. The major factors and interpretations are then discussed, providing a clear picture of the findings, after which the conclusion of the study is drawn.Keywords
E-Commerce, Customer’s Perception, Purchase Behavior, Online Payments.Full Text
References
- · E-Commerce Strategy, Technology, & Implementation. Gary P.Schneider, Ph.D., CPA
- · E-Commerce An Indian Perspective P.T. Joseph, S.J.
- · Kaur Manjot, E-Commerce, Kalyani Publcation, New Delhi (2012).
- · Yang Jing, “ Online Payment & Security of E-Commerce Proceedings.
- · Ajeet Singh, M Khan, Manik Chandra, Shahzad, “Implementation of Payment System for
- · Internet Transaction” International Conference on Techno & Environ Search in Bhopal India, December 2010.
- A Study on the Perception of Customers towards E-Commerce and E-Payments in Local Survey
Abstract Views :245 |
PDF Views:1
Authors
Affiliations
1 Sri Krishna Arts and Science College, Coimbatore, IN
2 Sri Krishna Arts and Science College, Coimbatore, IS
1 Sri Krishna Arts and Science College, Coimbatore, IN
2 Sri Krishna Arts and Science College, Coimbatore, IS
Source
KHOJ: Journal of Indian Management Research and Practices, Vol 1, No 1 (2015), Pagination: 7-13Abstract
Electronic commerce or e-commerce refers to a wide range of online business activities for products and services or the transmission of funds or data over an electronic network. A variety of applications are used in conducting the e-commerce such as online shopping, carts and catalogs, electronic data interchange. The trust in E-commerce mainly depends upon the online payment system which allows a customer to make payment to the online merchant or service provider. Consumers are becoming more and more comfortable in making online transactions and are concerned about conducting electronic business transactions and the risks involved that have a vital impact on the transition of electronic business. Increasingly more consumers are migrating to Electronic-commerce to make electronic bill payments, to pay for information online, to purchase products, services. This paper deals mainly with consumers' willingness to conduct Electronic-commerce and their knowledge of the security measures used in online transactions. This study reveals the customer's perception towards e-commerce and e-payments. The study is conducted among 100 respondents and a description of the research process is provided. The major factors and interpretations are then discussed, providing a clear picture of the findings, after which the conclusion of the study is drawn.Keywords
E-Commerce, Customer’s Perception, Purchase Behavior, Online Payments.Full Text
- Virtual Reality Treatments for Specific Phobias:A Review
Abstract Views :227 |
PDF Views:2
Authors
Sumit Roy
1,
R. Kavitha
1
Affiliations
1 Department of Computer Science, Christ University, Bengaluru, IN
1 Department of Computer Science, Christ University, Bengaluru, IN
Source
Oriental Journal of Computer Science and Technology, Vol 10, No 1 (2017), Pagination: 135-143Abstract
Virtual reality is becoming one of the seamless technology which can be used to treat several psychological problems such as anxiety disorders. With the advancement of technology virtual reality is becoming available to ordinary practitioners to carry out non-clinical therapies. An effective virtual reality system provides the user with total immersion and becomes a part of the virtual world. This study provides an insight as how virtual reality could provide means to overpower anxiety disorders through a controlled environment which is being projected to participants suffering from specific phobias.Keywords
Terms-Acrophobia, Claustrophobia, Arachnophobia, Novint Falcon.Full Text
References
- M. M. North, S. M. North, and J. R. Coble, Virtual Reality Therapy: IPI Press, 1996.
- B. O. Rothabaum, L. F. Hodges, R. Kooper, D. Opdyke, J. S. Williford, and M. M. North, “The efficacy of virtual reality graded exposure in the treatment of acrophobia,” Amer. J. Psych., 152, 626–628, 1995.
- M. M. North and S. M. North, “Relative effectiveness of virtual environment desensitization and imaginal desensitization in the treatment of aerophobia,” Arachnet Electr. J. Virtual Culture, 2, 1994.
- Dong P. Jang, Jeong H. Ku, Young H. Choi, Brenda K. Wiederhold, San W. Nam, In Y. Kim, and Sun I. Kim, The Development of Virtual Reality Therapy (VRT) System for the Treatment of Acrophobia and Therapeutic Case
- P.M.G. Emmelkamp a,*, M. Krijn a, A.M. Hulsbosch a, S. de Vries a, M.J. Schuemie b, C.A.P.G. van der Mast b, “Virtual reality treatment versus exposure in vivo: a comparative evaluation in acrophobia”, Behaviour Research and Therapy 40 (2002) 509–516.
- Paul M.G.Emmelkamp, Mary Bruynzeel, Leonie Dros, “Virtual Reality Treatment in Acrophobia: A Comparison with Exposure in Vivo” Cyberpsychology and Behavior University of Amsterdam, Delft University of Technology
- D.H.Barlow (1988). “Anxiety and its disorders: The nature and treatment of anxiety and panic”. The Guilford Press,New York:.
- Booth, R., & Rachman, S. (1992). “The reduction of claustrophobia-I.”Behaviour Research and Therapy., 30,207-221.
- Ost, L.G. (1987). “Age of onset in different phobias.”Journal of Abnormal Psychology, 96, 223- 229.
- Morgan Bruce & Holger Regenbrecht.”A Virtual Reality Claustrophobia Therapy System – Implementation and Test “Virtual Reality Conference, 2009.VR 2009. IEEE
- G.C.L. Davey, “Psychopathology and treatment of specific phobias “, Psychiatry, 6(6) , 247-253, 2007.
- Miroslav Cavrag, Guillaume Larivière, Ana-Maria Cretu “Interaction with Virtual Spiders for Eliciting Disgust in the Treatment of Phobias”. 2014 IEEE International Symposium
- T. S. Greco, “A cognitive-behavioural approach to fear of flying: A practitioner’s guide,” Phobia Practice Res. J., 2, 3–15, 1989.
- B. O. Rothbaum, L. Hodges, B. A. Watson, G. D. Kessler, and D.Opdyke, “Virtual reality exposure therapy in the treatment of fear of flying: A case report,” Behavior Res. Therapy, 34, 477–481,1996.
- Diagnostic and Statistical Manual of Mental Disorders, 4th ed., Amer.Psych. Assoc., Washington, DC, 1994.
- M. J. Schuemie, P. van der Straaten, M. Krijn, and C. A. van der Mast, “Research on Presence in Virtual Reality: A Survey,” CyberPsychology & Behavior, 4, (2), pp. 183–201, Apr. 2001. [Online]. Available: http://online.liebertpub.com/doi/abs/10.1089/109493101300117884
- Peterson, R.A., & Reiss, S. (1992). Anxiety Sensitivity Index manual (2nd ed.). Worthington, OH: International Diagnostic Systems.
- Abelson JL,& Curtis GC. Cardiac and neuroendocrine responses to exposure therapy in height phobics: Desynchrony with the physiological response system. Behaviour Research & Therapy; 27: 556-561, 1989.
- Firtst, M. B., Spitzer, R. L., Gibbon, M., & Williams, J. B. W. (1996). Structured clinical interview for DSM-IV axis I disorders. Washington, DC: American Psychiatric Association.
- Cohen DC. “Comparison of self-report and behavioral procedures for assessing acrophobia.” Behavior Therapy; 8: 17-23, 1977.
- Radomsky, A.S., Rachman, S., Thordarson, D.S., McIsaac, H.K., Teachman, B.A. The Claustrophobia Questionnaire. Anxiety Disorders, 15, 287-297, 2001.
- W.A. Howard, S.M. Murphy, and J.C. Clarke, “TheNature and Treatment of Fear of Flying: A Controlled Investigation,”Behavior Tnerapy, 14, pp. 557-567, 1983.
- W. Scott, “A Fear of Flying Inventory,” Innovations of Clin- ical Practice, P. Kellar and S. Hayman, eds., Professional Resource Exchange, Florida, 7,1987
- Szymanski, J., & O’Donohue, W. (1995). Fear of Spiders Questionnaire. Journal of Behavioral Therapy and Experimental Psychiatry, 26, 31-34.
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- Dong P. Jang, Jeong H. Ku, Young H. Choi, Brenda K. Wiederhold, San W. Nam, In Y. Kim, and Sun I. Kim “The Development of Virtual Reality Therapy (VRT) System for the Treatment of Acrophobia and Therapeutic Case” 6, (3), 2002.
- Morgan Bruce & Holger Regenbrecht “A Virtual Reality Claustrophobia Therapy System – Implementation and Test “ University of Otago / New Zealand 28. Miroslav Cavrag, Guillaume Larivière, Stéphane Bouchard “Interaction with Virtual Spiders for Eliciting Disgust in the Treatment of Phobias”.
- Relative Importance of Service Quality Dimensions and overall Satisfaction - Discriminant Analysis
Abstract Views :133 |
PDF Views:0
Authors
Source
International Journal of Innovative Research and Development, Vol 1, No 6 (2012), Pagination: 132-146Abstract
Health care is a big concern in India, the land of nearly billion people and the second most popular country in the world. As the Country is divided into several States, the State government has the onus to take care of the health of people in the State. The main aim of the study is to study the relative importance of the five dimensions and overall satisfaction based on SERVQUAL measurement model which was developed by Parasuraman etc. Two hospitals are purposively selected for this study, one is private hospital and another is public hospital, Data required for this study are both primary and secondary: Primary data are collected through interview schedule and secondary data relating to the hospitals are collected from the records of she select hospitals based on convenience sampling. The finding of the study is all the five dimensions and overall satisfaction, the group of patients between the two hospitals (Public and Private Hospitals) has been discriminated. The most important dimension that discrimmates the patients between the two hospitals is Empathy that contributes 50% of the respondents.Keywords
Dimensions, Expectations, Hospitals, Service Quality, TangiblesFull Text
- Modern Honey Pot Tools on Cloud Virtual Machines for Machine Learning
Abstract Views :248 |
PDF Views:5
Authors
Affiliations
1 Department of Information Technology, School of Computing, SASTRA University, Thanjavur, IN
1 Department of Information Technology, School of Computing, SASTRA University, Thanjavur, IN
Source
Automation and Autonomous Systems, Vol 9, No 4 (2017), Pagination: 69-72Abstract
Honey pot is a computer security mechanism for trapping the hackers or tracking the unconventional hacking methods. It collects a information about the activities of the hackers using machine learning code. In this description, we discuss about the tools that how an attacker proceeds the way for finding or detecting the honeypots on cloud virtual machines. Machine learning is the technique of embedding artificial intelligence to the system without human intervention. It can change the data automatically based upon the user feed.Keywords
Honey Pot, Virtual Machines, Machine Learning, Security.- Synthesis, Characterization, Equilibrium Studies and Antibacterial Studies of Co(II) Complex with Schiff Base Ligand Derived from Pyridoxal and 2,4-Dichlorobenzohydrazide
Abstract Views :607 |
PDF Views:5
Authors
Affiliations
1 Department of Chemistry, Nizam College, OU, Basheerbagh, Hyderabad-500001, Telangana, IN
2 Department of Chemistry, Jawaharlal Nehru Technological University Hyderabad, Kukatpally, Hyderabad-500085, Telangana, IN
1 Department of Chemistry, Nizam College, OU, Basheerbagh, Hyderabad-500001, Telangana, IN
2 Department of Chemistry, Jawaharlal Nehru Technological University Hyderabad, Kukatpally, Hyderabad-500085, Telangana, IN
Source
Asian Journal of Research in Chemistry, Vol 10, No 3 (2017), Pagination: 291-296Abstract
The Co(II) metal (M) complex of 2,4-dichloro-N-((3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)methylene)benzohydrazide (L) was synthesized and characterized by elemental analysis, molar conductance, magnetic moment measurements, LC-MS, IR, TGA and UV spectral studies. Irving-Rossetti titration method was employed to determine the acid dissociation constant of ligand and the stability constant of Co(II) complex in 70% (v/v) DMF-water medium at 0.1 M KNO3 ionic strength and 303K temperature. The spectroanalytical data indicate the composition of the complexes to be 1:2 (ML2) with octahedral geometry. The ligand and the complex were screened for their antibacterial activity against Gram positive and Gram negative bacteria using agar well diffusion method.Keywords
Pyridoxal, Schiff Base, Complex, Stability Constant, Antibacterial Activity.- Heart Rate Variability Classification Using SADE-ELM Classifier with Bat Feature Selection
Abstract Views :187 |
PDF Views:4
Authors
R. Kavitha
1,
T. Christopher
1
Affiliations
1 Department of Computer Science, PSGR Krishnammal College for Women, IN
1 Department of Computer Science, PSGR Krishnammal College for Women, IN
Source
ICTACT Journal on Soft Computing, Vol 7, No 4 (2017), Pagination: 1522-1530Abstract
The electrical activity of the human heart is measured by the vital bio medical signal called ECG. This electrocardiogram is employed as a crucial source to gather the diagnostic information of a patient's cardiopathy. The monitoring function of cardiac disease is diagnosed by documenting and handling the electrocardiogram (ECG) impulses. In the recent years many research has been done and developing an enhanced method to identify the risk in the patient's body condition by processing and analysing the ECG signal. This analysis of the signal helps to find the cardiac abnormalities, arrhythmias, and many other heart problems. ECG signal is processed to detect the variability in heart rhythm; heart rate variability is calculated based on the time interval between heart beats. Heart Rate Variability HRV is measured by the variation in the beat to beat interval. The Heart rate Variability (HRV) is an essential aspect to diagnose the properties of the heart. Recent development enhances the potential with the aid of non-linear metrics in reference point with feature selection. In this paper, the fundamental elements are taken from the ECG signal for feature selection process where Bat algorithm is employed for feature selection to predict the best feature and presented to the classifier for accurate classification. The popular machine learning algorithm ELM is taken for classification, integrated with evolutionary algorithm named Self- Adaptive Differential Evolution Extreme Learning Machine SADEELM to improve the reliability of classification. It combines Effective Fuzzy Kohonen clustering network (EFKCN) to be able to increase the accuracy of the effect for HRV transmission classification. Hence, it is observed that the experiment carried out unveils that the precision is improved by the SADE-ELM method and concurrently optimizes the computation time.Keywords
Self-adaptive Differential Evolution, Extreme Learning Machine, Bat Algorithm, Efficient Fuzzy Kohonen Clustering Network.References
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- Service Quality in Higher Education:A Conceptual Framework
Abstract Views :223 |
PDF Views:1
Authors
Affiliations
1 Department of Commerce, Periyar University, Salem-636011, IN
1 Department of Commerce, Periyar University, Salem-636011, IN
Source
Invertis Journals of Management, Vol 7, No 2 (2015), Pagination:Abstract
There are several models used to measure service quality. The most frequently used service quality scales are SERVQUAL and SERVPERF. SERVQUAL and SERVPERF measure the functional quality. Functional quality includes qualification of human relations in organizations and a keyword of this relation is communication. Using functional quality to measure service quality is important but not sufficient for an educational organization. Students are not usually seen as customers at universities. For this reason, different models of service quality have been developed at universities. When these models are viewed it is seen that they have similar characteristics, although the dimensions of service quality are stated in a different way.Keywords
Higher Education, Service Quality, Conceptual Model, SERVQUAL and SERVPERF, Dimensions, Service Quality Gaps.Full Text
- Isolation and Screening the Pharmacological Activities of Vegetative and Spore-Crystal Proteins from Bacillus thuringiensis
Abstract Views :214 |
PDF Views:0
Authors
Affiliations
1 Department of Pharmaceutics, SRM College of Pharmacy, SRM University, Kattankulathur, Tamil Nadu, IN
1 Department of Pharmaceutics, SRM College of Pharmacy, SRM University, Kattankulathur, Tamil Nadu, IN
Source
Research Journal of Pharmacy and Technology, Vol 11, No 1 (2018), Pagination: 38-40Abstract
Bacillus thuringiensis, the most successful and most widely used microbial insecticide, produces crystal proteins. The physiological significance of the crystal proteins poorly understood except for the potent insecticidal activity. In the current study, an attempt made to isolate vegetative and spore-crystal proteins from Bacillus thuringiensis NCIM2514 and to perform their hemolytic and antioxidant activities. The proteins were separated by salting out methods then by using SDS-PAGE. The molecular protein weight of the vegetative and spore-crystal protein identified as the presence of low molecular weight protein. Pharmacological activities as antioxidant and hemolytic studies were performed for the crude proteins and found as Spore-crystal proteins contain more anti-oxidant when compared to vegetative proteins.Keywords
Bacillus thuringiensis (Bt), Spore-Crystal Proteins, Vegetative Proteins. SDS-PAGE, Antioxidant.References
- Akiba T, Abe Y, Ktada S, Kusaka Y, Ito A, Ichimatsu T, Katayaman H, Akao T, Higuchi K, Mizuki E, Ohba M, Kanai R and Harata K. Crystal structure of the parasporin-2 Bacillus thuringiensis toxin that recognizes cancer cells. Journal of Molecular Biology. 2009; 386 (1): 121-33.
- Aronson AI and Shai Y. Why Bacillus thuringiensis insecticidal toxins are so effective: unique features of their mode of action. FEMS Microbiology Letters. 2001; 195: 1-8.
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- Capello M, Bungiro RD, Harrison LM, Bischof LT, Griffitts JS, Barrows BD and Aroian RV. A purified Bacillus thuringiensis crystal protein with therapeutic activity against the hookworm parasite Ancylostomaceylanicus. Proc Natl AcadSci USA 2006; 103: 15154-9.
- Crickmore N, Zeigler DR, Feitelson J, Schnepf E, Van Rie J, Lereclus D, Baum J and Dean DH. Revision of the literature for the Bacillus thuringiensis pesticidal crystal proteins. Microbiology Molecular Biology Review 1998; 62: 807-13.
- Jung YC, Mizuki E, Akao T and Cote JC. Isolation and characterization of a novel Bacillus thuringiensis strain expressing a novel crystal protein with cytocidal activity against human cancer cells. Journal of Applied Microbiology. 2007; 103: 65-79.
- Katayama H, Kusaka Y, Yokota H, Akao T, Kojima M, Nakamura O, Mekada E and Mizuki E. Parasporin-1, a novel cytotoxic protein from Bacillus thuringiensis, induces Ca2+ influx and a sustained elevation of the cytoplasmic Ca2+ concentration in toxin-sensitive cells. Journal of Biological Chemistry. 2007; 282: 7742-52.
- Kitada S, Abe Y, Shimada H, Kusaka Y, Matsuo Y, Katayama H, Okumura S, Akao T, Mizuki E, Kuge O, Sasaguri Y, Ohba M and Ito A. Cytocidal actions of parasporin2, an anti-tumour crystal toxin from Bacillus thuringiensis. Journal of Biological Chemistry 2006; 281(36): 26350-60.
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- Distributed Load Balancing Algorithm for Wireless Sensor Network
Abstract Views :321 |
PDF Views:1
Authors
Affiliations
1 Department of Computer Science and Engineering, Annamacharya Institute of Technology and Sciences, Tirupati, IN
2 Department of Computer Science and Engineering, Universal College of Engineering and Technology, Vallioor, IN
3 Department of Computer Science, The Madurai Diraviyam Thayumanavar Hindu College, IN
1 Department of Computer Science and Engineering, Annamacharya Institute of Technology and Sciences, Tirupati, IN
2 Department of Computer Science and Engineering, Universal College of Engineering and Technology, Vallioor, IN
3 Department of Computer Science, The Madurai Diraviyam Thayumanavar Hindu College, IN
Source
ICTACT Journal on Communication Technology, Vol 9, No 4 (2018), Pagination: 1908-1912Abstract
A Wireless Sensor Network (WSN) comprises of spatially scattered autonomous sensors to screen physical or natural conditions and to amiably go their information through the system to a Base Station. Grouping is a basic assignment in Wireless Sensor Networks for vitality effectiveness and system quality. Grouping through Central Processing Unit in remote sensor systems is outstanding and being used for quite a while. In this paper, we propose a few procedures that balance the vitality utilization of these hubs and guarantee greatest system lifetime by adjusting the activity stack as similarly as could be expected under the circumstances. Directly grouping through dispersed strategies is being produced for conveying with the issues like system lifetime and vitality. In our work, we connected both concentrated and conveyed k-means clustering calculation in system test system. K-means is a model based algorithm that surrogates between two noteworthy advances, passing on perceptions to groups and processing cluster focuses until the point when a ceasing standard is satisfied. Improved results are accomplished and related which demonstrate that conveyed clustering is compelling than brought together grouping.Keywords
Wireless Sensor Network, Clustering, K-Means, Network Stability.References
- F. Zhao and L.J. Guibas, “Wireless Sensor Networks: An Information Processing Approach”, Morgan Kaufmann Publishers, 2004.
- V. Raghunathan, C. Schurgers, S. Park and M.B. Srivastava, “Energy-Aware Wireless Micro Sensor Networks”, IEEE Signal Processing Magazine, Vol. 19, No. 2, pp. 40-50, 2002.
- Jennifer Yick, Biswanath Mukherjee and Dipak Ghosal, “Wireless Sensor Network Survey”, Computer Networks, Vol. 52, No. 12, pp. 2292-2330, 2008.
- A. Ameer Ahmed Abbasi and Mohamed Younis, “A Survey on Clustering Algorithms for Wireless Sensor Networks”, Computer Communications, Vol. 30, No. 14-15, pp. 2826-2841, 2007.
- S. Bandyopadhyay and E.J. Coyle, “An Energy Efficient Hierarchical Clustering Algorithm for Wireless Sensor Networks”, Proceedings of IEEE 22nd Annual Joint Conference on IEEE Computer and Communications Societies, pp. 1713-1723, 2003.
- O. Younis, M. Krunz and S. Ramasubramanian, “Node Clustering in Wireless Sensor Networks: Recent Developments and Deployment Challenges”, IEEE Networks, Vol. 20, No. 3, pp. 20-25, 2006.
- S.P. Lloyd, “Least-Squares Quantization in PCM”, IEEE Transactions on Information Theory, Vol. 28, No. 2, pp. 129-137, 1982.
- C.R. Lin and M. Gerla, “Adaptive Clustering for Mobile Wireless Networks”, IEEE Journal on Selected Areas in Communications, Vol. 15, No. 7, pp. 1265-1275, 1997.
- I.S. Dhillon and D.S. Modha, “A Data-Clustering Algorithm on Distributed Memory Multiprocessors”, Large-Scale Parallel Data Mining, pp. 245-260, 2000.
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- P.A. Forero, A. Cano and G.B. Giannakis, “Distributed Feature-based Modulation Classification using Wireless Sensor Networks”, Proceedings of IEEE International Conference on Military Communications, pp. 1-5, 2008.
- P.A. Forero, A. Cano and G.B. Giannakis, “Consensus-Based-Means Algorithm for Distributed Learning using Wireless Sensor Networks”, Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 11-14, 2008.
- P.A. Forero, A. Cano and G.B. Giannakis “Consensus-based Distributed Expectation-Maximization Algorithm for Density Estimation and Classification using Wireless Sensor Networks”, Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1989-1992, 2008.
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- Seema Shivapur, Suvarna G. Kanakaraddi and A.K. Chikaraddi, “Load Balancing Techniques in Wireless Sensor Networks: A Comparative Study”, International Journal of Emerging Technology in Computer Science and Electronics, Vol. 14, No. 2, pp. 21-28, 2015.
- Dipak Wajgi and Nileshsingh V. Thakur, “Load Balancing based Approach to Improve Lifetime of Wireless Sensor Network”, International Journal of Wireless and Mobile Networks, Vol. 4, No. 4, pp. 12-17, 2012.
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- Cervical Cancer Detection and Classification by using Effectual Integration of Directional Gabor Texture Feature Extraction and Hybrid Kernel Based Support Vector Classification
Abstract Views :197 |
PDF Views:0
Authors
Affiliations
1 Department of Computer Science and Engineering, Annamacharya Institute of Technology and Sciences, IN
2 Department of Computer Applications, The MDT Hindu College, IN
3 Department of Computer Science and Engineering, Universal College of Engineering and Technology, IN
1 Department of Computer Science and Engineering, Annamacharya Institute of Technology and Sciences, IN
2 Department of Computer Applications, The MDT Hindu College, IN
3 Department of Computer Science and Engineering, Universal College of Engineering and Technology, IN
Source
ICTACT Journal on Image and Video Processing, Vol 9, No 3 (2019), Pagination: 1935-1939Abstract
Planning of invigorating representation is a troublesome and testing process because of the unpredictability of the images and absence of models of the life systems that thoroughly catches the reasonable expressions in each structure. Cervical malignant growth is one of the noteworthy reasons for death among different kinds of the diseases in women around the world. Genuine and auspicious determination can keep the life to some dimension. Therefore, we have proposed a computerized dependable framework for the analysis of the cervical malignancy utilizing surface highlights and machine learning calculation in Pap smear images, it is extremely advantageous to anticipate disease, likewise expands the dependability of the determination. Proposed framework is a multi-organize framework for cell nucleus extraction and disease finding. To begin with, clamor expulsion is performed in the preprocessing venture on the Pap smear images. Exterior highlights are separated from these demand free Pap smear images. Next period of the proposed framework is classification that depends on these separated highlights, SVM classification is utilized. Over 94% exactness is accomplished by the classification stage, demonstrated that the proposed calculation precision is great at recognizing the disease in the Pap smear images.Keywords
Cervical Cancer, Feature Extraction, DGTF, Classification, Hybrid Kernel SVM.References
- Hayder K. Fatlawi, “Enhanced Classification Model for Cervical Cancer Dataset based on Cost Sensitive Classifier”, International Journal of Computer Techniques, Vol. 4, No. 4, pp. 1-8, 2017.
- S. Athinarayanan, M.V. Srinath and R. Kavitha, “Computer Aided Diagnosis for Detection and Stage Identification of Cervical Cancer by using Pap Smear Screening Test Images”, ICTACT Journal on Image and Video Processing, Vol. 6, No. 4, pp. 1244-1251, 2016.
- M. Martinez, L.E. Sucar, H.G. Acosta and N. Cruz, “Bayesian Model Combination and Its Application to Cervical Cancer Detection”, Proceedings of Ibero-American Conference on Artificial Intelligence, pp. 622-631, 2006.
- G. Sun, S. Li, Y. Cao and F. Lang, “Cervical Cancer Diagnosis based on Random Forest”, International Journal of Performability Engineering, Vol. 13, No. 4, pp. 446-457, 2017.
- S. Athinarayanan and M.V. Srinath, “Classification of Cervical Cancer Cells in PAP SMEA Screening Test”, ICTACT Journal on Image and Video Processing, Vol. 6, No. 4, pp. 1234-1238, 2016.
- S. Aswathy, M.A. Quereshi, B. Kurian and K. Leelamoni, “Cervical Cancer Screening: Current Knowledge and Practice among Women in a Rural Population of Kerala, India”, Indian Journal of Medical Research, Vol. 136, No. 2, pp. 205-210, 2012.
- M. Anousouya Devi, S. Ravi and J.V.S. Punitha, “Detection of Cervical Cancer using the Image Classification Algorithms”, International Journal of Circuit Theory and Applications, Vol. 9, No. 3, pp. 153-166, 2016.
- G. Peng, B. Koyel and R.S. Joe, “Nuclei-Based Features for Uterine Cervical Cancer Histology Image Analysis with Fusion-Based Classification”, IEEE Journal of Biomedical and Health Informatics, Vol. 20, No. 6, pp. 1595-1607, 2016.
- K. Thangavel, P.P. Jaganathan and P.O. Easmi, “Data Mining Approach to Cervical Cancer Patients Analysis using Clustering Technique”, Asian Journal of Information Technology, Vol. 5, No. 4, pp. 413-417, 2006.
- S. Athinarayanan and M.V. Srinath, “Robust and Efficient Diagnosis of Cervical Cancer in Pap Smear Images using Texture Features with RBF and Kernel SVM Classification”, ARPN Journal of Engineering and Applied Sciences, Vol. 11, No. 7, pp. 4504-4515, 2016.
- S. Athinarayanan and M.V. Srinath, “Severity Analysis of Cervical Cancer in PAP SMEAR Images by using EEETCM, ERSTCM and CFE Method based Texture Features and Hybrid Kernel Based Support Vector Machine Classifier”, International Journal of Advanced Research, Vol. 4, No. 11, pp. 2751-2764, 2016.
- S. Athinarayanan and M.V. Srinath, “Effective Detection of Cervical Cancer During Pap Smear Screening Test”, Elysium Journal of Engineering Research and Management, Vol. 1, No. 1, pp. 10-14, 2014.
- S. Athinarayanan and M.V. Srinath, “Multi Class Cervical Cancer Classification by using ERSTCM, EMSD and CFE Methods Based Texture Features and Fuzzy Logic Based Hybrid Kernel Support Vector Machine Classifier”, IOSR Journal of Computer Engineering, Vol. 19, No. 1, pp. 23-34, 2017.
- Effect of Downwash Airflow Distribution of Multi-Rotor Unmanned Aerial Vehicle on Spray Droplet Deposition Characteristics in Rice Crop
Abstract Views :146 |
PDF Views:79
Authors
D. Yallappa
1,
R. Kavitha
1,
A. Surendrakumar
1,
B. Suthakar
1,
A. P. Mohan Kumar
1,
M. K. Kalarani
2,
Balaji Kannan
3
Affiliations
1 Department of Farm Machinery and Power Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
2 Directorate of Crop Management, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
3 Department of Physical Science and Information Technology, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
1 Department of Farm Machinery and Power Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
2 Directorate of Crop Management, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
3 Department of Physical Science and Information Technology, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
Source
Current Science, Vol 125, No 2 (2023), Pagination: 172-182Abstract
The UAV downwash airflow pattern generated by rotor propellers is one of the significant factors influencing the characteristics of spray droplet deposition distribution. UAV sprayer and battery operated sprayer were used to study the effect of downwash airflow distribution of UAV on spray droplet deposition characteristics in a paddy field. The UAV sprayer was operated with optimized operational parameters and spray droplet characteristics, viz. spray deposition rate (µl cm–2), spray droplet size (µm), spray deposition density (No’s cm–2) and spray deposition uniformity (%) were analysed using Deposit Scan software. The UAV sprayer showed better results in spray droplet deposition rate, spray coverage per unit area and spray droplet deposition densities than the conventional battery-operated manual sprayer. Additionally, it was found that the UAV sprayer increased the chemical’s penetration into crop leaves, leading to higher chemical deposition on both the upper and lower layers of rice leaves.Keywords
Chemical Spray Deposition, Deposition Uniformity, Downwash Air, Droplet Size, Manual Spray, Water Sensitive Paper.Full Text
References
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- Li, J., Lan, Y. and Shi, Y., Research progress on airflow characteristics and field pesticide application system of rotary-wing UAV. Trans. Chin. Soc. Agric. Eng., 2018, 34(12), 104–118; doi:10. 11975/j.issn.1002-6819.2018.12.013; http://www.tcsae.org.
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