期刊名称:Archiwum Fotogrametrii, Kartografii i Teledetekcji
印刷版ISSN:2083-2214
出版年度:2009
卷号:20
语种:English
出版社:Main Board of Association of Polish Surveyors
摘要:This paper describes a method of integrating LIDAR data and aerial images in the process of automatic object extraction. Aerial photos are classical method for obtaining spatial information. However,in recent years,LIDAR data has become more and more popular as a source of information. Aerial imagery has the ability to delineate object boundaries,but during feature extraction,the number of objects may be overestimated or underestimated. LIDAR data provide direct information about the height of an object,but have limitations when identifying boundaries. Therefore,we can say that photogrammetric sensors and LIDAR provide complementary data and their integration can improve the quality of the results. This paper presents a study of the integration of photogrammetry and LIDAR in the process of extraction of 3D objects: buildings and trees. Textural filters have been used in the automatic segmentation process. 3D objects have been separated from LIDAR data,as a DSM and DTM difference. The study has revealed the high potential and flexibility of integrated data in the automatic process of object extraction.
其他摘要:Artykuł przedstawia metodę integracji danych lidarowych i fotogrametrycznych w procesie automatycznego wykrywania obiektów. Zdjęcia lotnicze stanowią klasyczną metodę pozyskiwania informacji o przestrzeni. Ostatnie lata to coraz powszechniejsze stosowanie