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Department of Physical Science: Recent submissions

  • Vegetable Growers Perception of Pesticide Use Practices and Health Effects in the Vavuniya District 
    Vijitharan, S.; Loganathan, P. (IDOSI Publications, 15-07-15)
    As in developing countries like Sri Lanka, the application of pesticides is often not very precise and unintended exposures occur to other organisms in the general area where pesticides are applied. The objectives of this ...
  • Dengue Outbreaks in Vavuniya District, Sri Lanka 
    Vijitharan, S.; Nanthakumaran, A.; Gunatilake, J. (Postgraduate Institute of Science, University of Peradeniya, 10-09-19)
    In Sri Lanka, Aedesaegypti and Aedesalbopictus are reported to be the vectors transmitting dengue fever to human. Socio-economic conditions of the community contribute to mosquito breeding either directly or indirectly. ...
  • Target-Specific Siamese Attention Network for Real-time Object Tracking 
    Kokul, T.; Fookes, C.; Sridharan, S.; Ramanan, A.; Pinidiyaarachchi, A. (IEEE Transactions on Information Forensics and Security, 16-08-19)
    Deep similarity trackers are able to track above real-time speed. However, their accuracy is considerably lower than deep classification based trackers since they avoid valuable online cues. To feed the target-specific ...
  • A Comprehensive Study on Deep Image Classification with Small Datasets 
    Gayani, C.; Kokul, T.; Amalka, P. (Springer, 17-12-19)
    Convolutional Neural Networks (CNNs) showed state-of-the-art accuracyin image classification on large-scale image datasets. However, CNNs showconsiderable poor performance in classifying tiny data since their large number ...
  • Partial Functionality and Service Worthiness in Comprehensive Networked Virtual Environment 
    Suthaharan, S.; Kuhanesan, S. (International Journals of Scientific Knowledge (IJSK), 2013)
    Middleware services for management of shared state in comprehensive distributed interactive applications with partial functionality and network virtual environment (NVEs). This research section introduces some mechanisms ...
  • Efficient Switch Architectures for Pre-configured Backup Protection with Sharing in Elastic Optical Networks 
    Suthaharan, S; Ratnam, K; Ragel, R.G (IEEE 7th International Conference on Information and Automation for Sustainability (ICIAfS'14), 2014)
    In this paper, we address the problem of providing survivability in elastic optical networks (EONs). EONs use fine granular frequency slots or flexible grids, when compared to the conventional fixed grid networks and ...
  • Pre-configured Backup Protection with Limited Resource Sharing in Elastic Optical Networks 
    Suthaharan, S; Ratnam, K; Ragel, R.G (IEEE 10th International Conference on Industrial and Information Systems (ICIIS'15), 2015)
    In this paper, we address the problem of providing survivability in elastic optical networks (EONs). In EONs, unlike the traditional 50 GHz fixed grid, fine granular 12.5 GHz flexgrid is used and the frequency spectrum is ...
  • Comparison of single-line rate for dedicated protection on WDM optical network topologies 
    Suthaharan, S; Samarakkody, D; Perera, W. A. S. C (IEEE International Conference on Information and Automation for Sustainability (ICIAfS), 2016)
    Wavelength division multiplexing (WDM) divides the huge bandwidth available on a fiber into several non-overlapping wavelength channels and enables data transmission over these channels simultaneously. Failure of the optical ...
  • Deep Match Tracker Classifying when Dissimilar, Similarity Matching when Not 
    Kokul, T.; Fookes, C.; Sridharan, S.; Ramanan, A.; Pinidiyaarachchi, U.A.J. (IEEE, IEEE International Conference on Image Processing (ICIP)., 07-10-18)
    Visual tracking frameworks employing ConvolutionalNeural Networks (CNNs) have shown state-of-the-art performancedue to their hierarchical feature representation. Whileclassification and update based deep neural net tracking ...
  • Gate connected convolutional neural network for object tracking 
    Kokul, T.; Fookes, C.; Sridharan, C.; Ramanan, A.; Pinidiyaarachchi, U.A.J. (IEEE, IEEE International Conference on Image Processing (ICIP), 17-09-17)
    Convolutional neural networks (CNNs) have been employedin visual tracking due to their rich levels of feature representation.While the learning capability of a CNN increaseswith its depth, unfortunately spatial information ...
  • Online Multi-Person Tracking-by-detection Method Using ACF and Particle Filter 
    Kokul, T.; Ramanan, A.; Pinidiyaarachchi, U.A.J. (IEEE, IEEE Seventh International Conference on Intelligent Computing and Information Systems (ICICIS), 12-12-15)
    Automatically detecting and tracking multiple persons in videos is one of the main research interests in computer vision based applications. This paper presents a tracking-by-detection approach for tracking people in dynamic ...
  • A Performance Evaluation of various SVM Tools and Different Feature Selection Strategies 
    Kokul, T. (Postgraduate Institute of Science, University of Peradeniya, 06-10-15)
    Support vector machine (SVM) is an efficient classification technique which is widely used in many machine learning applications due to the property of outperforming other classifiers in its generalization performance. ...
  • A Low-Cost Contactless Palm Print Device to Recognize Person based on Texture Measurement 
    Sharad, B.J.; Raut, S.D.; Humbe, V.T.; Kartheeswaran, T. (IJETSR, International Journal of Engineering Technology Science and Research, 10-02-16)
    Today’s Information Technology grows rapidly withnew technologies and need more security for the data transmissionover the internet. Steganography is one of the solutions to ensurethe data secure over the internet. An audio ...
  • Multi Agent Based Audio Steganography 
    Kartheeswaran, T.; Senthooran, V.; Pemadasa, T. D. D. L. (IEEE, 2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC), 21-03-16)
    Today’s Information Technology grows rapidly with new technologies and need more security for the data transmissionover the internet. Steganography is one of the solutions to ensurethe data secure over the internet. An ...
  • Monitoring Fermentation of Black Tea with Image Processing Techniques 
    Saranka, S.; Kartheeswaran, T.; Wanniarachchi, D.D.C.; Wanniarachchi, W.K.I.L. (Institute o f Physics - Sri Lanka, 32nd Technical Sessions, March 2016, Colombo, Sri Lanka, 22-05-16)
    The possibility to use digital images of tea particles as a tool to monitor fermentation ofblack tea processing is studied in this project. Copper green color is the predicted colorused to measure the degree of fermentation; ...
  • Recognizing matured cinnamon tree using image processing techniques 
    Chandima, D. K. D.; Kartheeswaran, T. (IEEE, 2016 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC), 08-05-18)
    Cinnamon cultivation is the main income source of a set of areas in Sri Lanka. Peeling cinnamon is a complex task of the cinnamon harvesting process after identifying the matured cinnamon trees. Expertise knowledge is ...
  • Service Prioritization in Node-Disjoint Routing For Adhoc Networks Based On QoS 
    Suthaharan, S (International Journals of Scientific Knowledge (IJSK), 2013)
    Ad hoc network (MANET) is a collection of mobile nodes that can communicate with each other without using any fixed infrastructure. To support multimedia applications such as video and voice MANETs require an efficient ...
  • A Novel Routing Scheme Based on Protection Mechanism to Discover Unconventional Disjoint Path in Adhoc Wireless Networks 
    Suthaharan, S (International Journal of Computational Intelligence and Informatics (IJCII), 2013)
    The performances of the routing protocols are important since they compute the primary path between source and destination. In addition, routing protocols need to detect failure within a short period of time when nodes ...
  • Resource Efficiency for Dedicated Protection in WDM Optical Networks 
    Suthaharan, S; Samarakkody, D; Perera, W.A.S.C (Kelaniya International Conference on Advances in Computing and Technology, 2016)
    The ever increasing demand for bandwidth is posing new challenges for transport network providers. A viable solution to meet this challenge is to use optical networks based on wavelength division multiplexing (WDM) technology. ...
  • Resource Assignment Schemes for Pre-configured Backup Protection in Elastic Optical Networks 
    Suthaharan, S (11th International Conference on Industrial and Information Systems (ICIIS), 2016)
    In this paper, the problem of providing survivability in elastic optical networks (EONs) is addressed. EONs use 12.5 GHz fine granular frequency slots or flexible grids instead of using the traditional 50 GHz fixed grid ...

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