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Change detection of buildings using an airborne laser scanner
Institution:1. Department of Electronics and Communication Engineering, National Institute of Technology, Faramagudi, Ponda Goa, 403401, India;2. Department of Computer Science and Engineering, Jadavpur University, Kolkata 700032, India;3. Soft Computing Laboratory, Department of Computer Science, Yonsei University, Seoul 120-749, South Korea;4. Machine Intelligence Unit, Indian Statistical Institute, Kolkata 700108, India;1. Department of Obstetrics Gynecology and Reproductive Sciences, University of Manitoba, Canada;2. Cancer Care Manitoba, Division of Gynecologic Oncology, Manitoba, Canada;3. Rady Faculty of Health Sciences, University of Manitoba, Canada;1. Key Laboratory of Soil and Water Conservation and Desertification Combating, Ministry of Education, Beijing Forestry University, 100083 Beijing, PR China;2. School of Land Resources and Urban and Rural Planning, Hebei GEO University, 050031 Shijiazhuang, PR China
Abstract:This study employed an airborne laser scanner to detect changes of buildings by acquiring a digital surface model (DSM) data of urban areas. Simple comparison between DSM data sets acquired at different occasions successfully detected building changes without omission errors. A CCD array image simultaneously acquired with the DSM data was also automatically orthorectified with the DSM data and indicated to help revise the building database efficiently.
Keywords:
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