FILTERING TECHNIQUES ON ANALYSIS OF ARCHEOLOGY AREAS USING RADARSAT IMAGES: CASE STUDY OF LEMBAH BUJANG, MALAYSIA
- 1Urban and Regional Planning Department, Kulliyah Architecture and Environmental Design, International Islamic University of Malaysia, 50728 Kuala Lumpur, Malaysia
- 2Department of Building Surveying,Faculty of Built Environment, University Malaya of Malaysia,50603 Kuala Lumpur, Malaysia
Keywords: Remote Sensing, GIS, Filtering Techniques, Land Use Planning and historical sites
Abstract. Speckle noise present in radar imagery caused by interaction of out –of-phase waves with a target, the objective of this paper is attempt to test filtering techniques consist of Lee, Frost and Gamma Map to identify a potential shrines area in Lembah Bujang using RADARSAT imageries. The multi-temporal images of RADARSAT for years 2003 and 2014 have been used filtering techniques in identifying potential shrines consist of have been used and tested to selected study areas with using processing software of ENVI 4.8 and ArcGIS 10.2. Based on mathematical morphology, the speckles in these images were reduced, once the reduction is achieved, the enhancement of archaeological sites is accomplished. The finding shows that Local Adaptive Filtering on GAMMA Map filter is the best techniques in identifying potential shrines areas at once as guidance to pursuing an area as official gazette historical site in Malaysia context.