Assessment of low cost small format aerial photogrammetry for cadastral mapping : case study in Klaten Regency, Central Java, Indonesia
Harintaka, Mr. et al
In region with rapid growing economic and population, such as Klaten Regency, Central Java, Indonesia, availability of cadastral infrastructure plays important role in land management. It is also useful to anticipate conflict due to parcel ownership and parcel usage in future. Commonly, in Indonesia, production of cadastral and parcel data utilizes terrestrial mapping or standard aerial photogrammetric mapping. Terrestrial mapping using Total Station has exellent accuracy, but it is expensive and time consuming. Standard aerial photogrammetric mapping is suitable for moderate area and has good accuracy, but it needs expensive equipment, for instance: aerial metric camera. For limited area coverage, about 1.000 hectare, Small Format Aerial Photogrammetry (SFAPm) has advantage in low cost equipment and its operational, efficient, and rapid photo acquisition. This technology is efficient since it utilizes amateur digital camera or non metric digital camera equipped on ultra light aeroplane. This non metric digital camera is widely available on market. This paper elaborates utilization of low cost SFAPm for cadastral mapping in Klaten Regency, Central Java, Indonesia. The study was carried out in 7 stages, i.e. developing Ground Control Points (GCP), aerial photography survey, interior orientation for each photo, aerial triangulation for entire block photos, performed orthophoto and mosicking, interpretation and delineation of land parcel, and finally evaluation.
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