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COMPARISON OF SEMI AUTOMATIC DTM FROM IMAGE MATCHING WITH DTM FROM LIDAR
Automatic DTM Image Matching LIDAR
2016/7/27
Nowadays DTM LIDAR was used extensively for generating contour line in Topographic Map. This method is very superior compared to traditionally stereomodel compilation from aerial images that consume l...
SEMI-AUTOMATIC DETECTION AND ENHANCEMENT OF LINEAR FEATURES TO UPDATE GIS FILES
Edge Detection Thresholding Mathematical Morphology Semi-Automatic Linear Feature Detection GIS Mapping Aerial Photography
2014/12/31
This paper describes a program developed to allow semi-automatic detection and enhancement of linear features in aerial photography. The program employs three different edge detectors namely Sobel, De...
COMPARISON OF SEMI - AUTOMATIC AND AUTOMATIC DIGITAL AERIAL TRIANGULATION
Aerial triangulation Automation Accuracy
2014/12/31
Two aerial blocks (93 and 56 photos) taken in different scales and of different qualities have been tested at the Institute of Geodesy and Cartography in Warsaw with two methods: semi-automatic with t...
Semi-automatic city model extraction from tri-stereoscopic vhr satellite imagery
Photogrammetry City DSM generation Tri-stereoscopy Ikonos Urban
2016/4/12
In this paper a methodology and results of semi-automatic city DSM extraction from an Ikonos triplet, is introduced. Built-up areas are known as being complex for photogrammetric purposes, mainly beca...