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Nowadays visual information becomes more and more important in almost all areas of our life. This information is represented and processed digitally. Digital image processing is ubiquitous, with applications ranging from television to tomography, from photography to printing, from robotics to remote sensing. In this study, we developed an algorithm to(More)
This paper presents a transmittance measurements technique collected by using FieldSpec HandHeld (Fieldspec HH) spectroradiometer to derive the aerosol optical thickness (AOT) in the atmosphere at 550nm to improve the particulate matters of less than 10 micron (PM10) concentrations mapping. The concentrations of PM10 at selected locations were measured(More)
This paper present an economical analysis of using a digital camera imagery data to classify land use/cover in the Prai Industrial area, Penang, located in Peninsular Malaysia. The data were captured using a digital camera, Kodak DC 290 from a small light aircraft at 8000 feet altitude. This overcomes the problem of difficulty in obtaining cloud-free(More)
Total column ozone obtained from the Ozone Monitoring Instrument (OMI) on board the Aura satellite was utilized to examine the spatial and temporal distribution of atmospheric ozone over Peninsular Malaysia for the year of 2015. The monthly ozone maps were obtained from the NASA-operated Giovanni portal (http://disc.sci.gsfc.nasa.gov/giovanni). Ozone has an(More)
Remote sensing techniques have been used to study the impacts of the tropical cyclone. In order to figure out the relationship of typhoon with orography effect, precipitation products are acquired from Feng Yun 2D; and Global Digital Elevation Model (GDEM) from ASTER satellite was applied as well. After combining both the precipitation and elevation(More)
Land surface temperature (LST) have been widely usedfor environmental studies and urban heat island (UHI),using satellite derived images. LST retrieval fromsatellite images has many advantages for research ascompared with in-situ measurement of air temperatures.For example, it will help to reduce the time consuming,more coverage of the study area with the(More)
Forest ownership is considered as vital for sustainable management of forest and its associated biodiversity. The Global Forest Resources Assessment 2015 reported an increasing rate of privately owned forests on a global scale. However, deforestation was found to be very active in privately owned hill forest areas of Malaysia. Three forest reserves and(More)