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|Title:||Digital Surface Model Extraction and Refinement through Image Segmentation. Application to the ISPRS Benchmark Stereo Dataset|
|Authors:||POLI DANIELA; SOILLE Pierre|
|Citation:||PHOTOGRAMMETRIE FERNERKUNDUNG GEOINFORMATION vol. 2012 no. 4 p. 313-325|
|Publisher:||E SCHWEIZERBARTSCHE VERLAGS|
|Type:||Articles in periodicals and books|
|Abstract:||This paper proposes a methodology for the geometric refinement of an arbitrary DSM using high or very high resolution satellite scenes through an advanced hierarchical image segmentation and shows the results obtained on a dataset over Catalonia, Spain, provided by ISPRS WGI/4 through the project “Benchmarking and quality analysis of DEM generated from high and very high resolution optical stereo satellite data”. During this experiment a WorldView-1 quasi-nadir scene was used for the enhancement of the DSM generated by a Cartosat-1 stereopair. The original and final DSMs are compared to the Lidar DSM on the same area for quality analysis.|
|JRC Institute:||Institute for the Protection and Security of the Citizen|
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