Browsing Research Papers by Title

Now showing items 1-20 of 230

Abnormalities of cortical thickness, subcortical shapes, and white matter integrity in subcortical vascular cognitive impairment.

Thong, Jamie Yu Jin; Du, Jia; Nagulan, R.; Dong, Yanhong; Soon, Hock Wei; Saini, Monica; Tan, Ming Zhen; Ta, Anh Tuan; Chen, Christopher; Qiu, A (Wiley Online Library/Human Brain Mapping, 2014-05)

Subcortical vascular cognitive impairment (sVCI) is caused by lacunar infarcts or extensive and/or diffuse lesions in the white matter that may disrupt the white matter circuitry connecting cortical and subcortical regions ...
Abundance and diversity of phytoplankton and zooplankton in selected village tanks in Vavuniya, Sri Lanka

Samarawickrama, R.A.D.; Nanthakumaran, A.; Sivakumar, P.; Saravanan, S. (University of Peradeniya, 2023)

The abundance and diversity of planktons in selected village tanks namely Peraru, Nochchimoddai and Mamaduwa in the Vavuniya district were studied from March to April, 2021. The objectives of the study were to identify the ...
Accident hotspots in southern expressway of Sri Lanka: Interpolation evaluation using GIS. Advances in Technology

Nalaka, P.K.; Akther, M.S.R.; Naveendrakumar, G. (University of Sri Jayewardenepura, 31-05-21)

In this study, the southern expressway, which is the first and lengthiest E class highway (126 km) in Sri Lanka, was analysed for roadside accident incidences. The primary objective of this paper is to identify the best-fit ...
Adaptation of brain functional and structural networks in aging

Lee, A.; Nagulan, R.; Tuan, T.A.; Chen, S.H.; Qiu, A. (Public Library of Science/PLOS ONE, 15-04-15)

The human brain, especially the prefrontal cortex (PFC), is functionally and anatomically reorganized in order to adapt to neuronal challenges in aging. This study employed structural MRI, resting-state fMRI (rs-fMRI), and ...
Aircraft-Lightning Electrodynamics using the Transmission Line Model. Part I: Review of the Transmission Line Model

Hoole, P. R. P.; Thirukumaran, S.; Hoole, S. R. H.; Pirapaharan, K.; Jeevan, K.; Harikrishnan, R. (The ElectroMagnetics Academy (TEMA), 2013)

This work presents a self-consistent and self-contained model to study and analyze aircraft-lightning electrodynamics. In this paper we review the well developed and reported transmission line model of the cloud-to-ground ...
Algorithm aspects of Rubik’s Cube 3D game

Subaramya, V.; Krishnakumar, K. (The Open University of Sri Lanka, 28-11-13)

The Rubik's Cube is really captivating and fascinating puzzle. It is a 3D game. In the literary survey, there are several applications available in Rubik’s cube. Some of them are games, some of them have solution. But there ...
Analysis of Emotional Speech Recognition Using Artificial Neural Network

Archana, A.F.C.; Thirukumaran, S. (Faculty of Computing and Technology, University of Kelaniya, 2016)

This paper presents an artificial neural network based approach for analyzing the classification of emotional human speech. Speech rate and energy are the most basic features of speech signal but they still have significant ...
Antibacterial Activity and Phytochemicals of Sequential Solvent Extracts of Solanum Trilobatum

Malathy, S.; Jeyadevan, J.P.; Pathmanathan, K. (University of Jaffna, 2012-07-20)

Solanum trilobatum which is known as Toothuvilai in Tamil has been widely used to treat respiratory disorders, especially bronchial asthma. Therefore this study was designed to test the antibacterial activity and phytochemical ...
Antimicrobial Analysis of Polygonam barbatum Leaf Extracts

Loganathan, P.; Malathy, P. (Institute of Environmental Professionals Sri Lanka: 2014, 2014-08-21)

Polygonum barbatum, known as atalari (in Tamil) or ratu kimbulwenna (in Sinhala), are perennial herbs of the family polygonaceae have been widely used anciently to treat various ailments including infections, fever, pain ...
Application of indirect adjusted rates to understand the time and habitat preferences of elephants in Sri Lanka

Rupasinghe, K. H. N. D.; Wijekoon, P.; Santiapillai, C.; Wijeyamohan, S. (University of Peradeniya, Sri Lanka, 2014)

Elephants in Sri Lanka have been used since ancient times for various activities such as farming, transportation, entertainment, etc. At present, life styles of humans and elephants encounter numerous intersections in day ...
Application of Low-Pressure Nanofiltration Membranes NF90 and NTR-729HF for Treating Diverse Wastewater Streams for Irrigation Use

Fonseka, C.; Ryu, S.; Devaisy, S.; Kandasamy, J.; McLod, L.; Ratnaweera, H.; Vigneswaran, S. (MDPI, 2024-07-11)

The application of low-pressure nanofiltration (NF) was investigated for three different applications: water reuse from acid mine drainage (AMD), surface water containing natural organic matter (NOM) and agricultural reuse ...
Artificial Neural Network Based Approach for Speech Emotion Recognition of Sinhala Language

Nawoda, D.; Thirukumaran, S. (Postgraduate Institute of Science (PGIS), University of Peradeniya, 2019)

The Sinhala language suffers from the lack of appropriate emotional speech database for research into speech emotion recognition. In this paper, we represent our efforts to develop an emotional speech database, as it would ...
Artificial Neural Network based Emotions Recognition System for Tamil Speech

Dayani, P.; Thirukumaran, S. (Faculty of Computing and Technology, University of Kelaniya, 2017)

Emotion has become the important part in communication between human and machine, so the detection of emotions has become important part in pattern recognition through Artificial Neural Network (ANN). Human's emotions can ...
Assessing Forest Cover Dynamics in Vavuniya District: Using Freely Available Satellite Images

Noyalin, M.; Wijeyamohan, S. (Department of Forestry and Environmental Science University of Sri Jayewardenepura, Nugegoda, Sri Lanka, 2022)

Vavuniya District has 1,238 km2 of wildness. Increasing population and development activities after the civil war influence disturbance on forest cover in the Vavuniya District. Understanding forest dynamics is important ...
Assessing Human-Elephant Conflict (HEC) along Peraru River, Mullaitivu, Sri Lanka

Banupriya, T.; Priyanchanaa, S.; Keerthana, S.; Keerthanaram, T. (Young Zoologists’ Association of Sri Lanka (YZA)National Zoological Gardens, Dehiwala, 2024)

Human-elephant conflict (HEC) is a major socioeconomic and conservation issue in Sri Lanka. Sri Lanka is the place where the highest Asian elephant density is observed, and almost 60% of the human population shares its ...
Assessment of Forest Cover Changes in Vavuniya District, Sri Lanka: Implications for the Establishment of Subnational Forest Reference Emission Level

Vijitharan, S.; Sasaki, N.; Venkatappa, M.; Tripathi, N.K.; Abe, I.; Tsusaka, T.W. (MDPI, 2022-07-12)

Assessment of forest cover changes is required to establish the forest reference emission level (FREL) at any scale. Due to civil conflict, such assessments have not yet been undertaken in Sri Lanka, especially in the ...
Assessment of Physico-Chemical Parameters of Groundwater For Drinking Purpose With Reference to Resettlement Area, Vavuniya

Shah, Pradip; Nanthakumaran, A.; Kawamoto, K. (Dev Sanskriti Interdisciplinary International Journal, 2019-07-31)

This study deals with Physico-chemical of groundwater and surface water that are degraded by geological structure, poor sanitation, solid waste dumping and cultivation in this area have led surface and groundwater pollution ...
An assessment of the human-elephant conflict in Sri Lanka

Santiapillai, C.; Wijeyamohan, S.; Bandara, G.; Athurupana, R.; Dissanayake, N.; Read, B. (Faculty of Science, University of Peradeniya, Sri Lanka, 2010)

The association between man and elephant in Sri Lanka is ancient. Elephants being the largest terrestrial herbivores require relatively large areas and diversity of environments to forage. With the increase in human ...
Assessment of the Potential of Groundwater Supplementation by Estimating the Stabilization Value of Tank Irrigation Systems in Tamil Nadu, India

Nanthakumaran, A.; Palanisami, K. (Postgraduate Institute of Agriculture, University of Peradeniya, 2011-01-10)

Irrigation tanks are one of the oldest and most important common property water resources in the resource poor regions especially in South India and Sri Lanka. Tank irrigation accounts for more than 30% of total irrigated ...
Assessment of waterbird composition in Kalkundamaduwewa tank at Vavuniya, Sri Lanka

Maddumage, Samith Indika M.R.; Akther, M.S.R.; Aashifa, M.A.R.; Mohideen, A.H.; Tharani, G.; Naveendrakumar, G. (National Institute of Ecology, New Delhi, India., 24-12-19)

Changes in abundance of waterbirds reflect the habitat changes of a tank ecosystem. Ephemeral tanks in Vavuniya district are known as habitats for rich birds diversity during different periods of a year. A short-term field ...

Browsing Research Papers by Title

Browsing Research Papers by Title

Search

Browse

All Collections

This Community

My Account