The computer-based practical stereo measurements training course in the aerospace education for the students of geographical specialities Yu.F.Knizhnikov,

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Presentation transcript:

The computer-based practical stereo measurements training course in the aerospace education for the students of geographical specialities Yu.F.Knizhnikov, E.G.Kharkovets, E.A Baldina Lomonosov Moscow State University Yu.F.Knizhnikov, E.G.Kharkovets, E.A Baldina Lomonosov Moscow State University

Digital photogrammetric systems * PHOTOMOD (Racurs, Russia) * Image station (Intergraph) and * other universal systems provide the technology for compilation and update of topographical maps with the use of aerial and satellite images. 3 main ways of three-dimensional information obtaining Stereophotogrammetric method, based on stereo photo survey Radar interferometry Laser scanning

Digital camera strengthened to theodolite is used in practical work of geographers for stereo shooting when studying natural objects

Baskara glacier at Central Caucasus with lakes of melted water and thermokarst crater are the objects of study natural hazards speciallists Landslide above the lake

Project view of computer based stereo comparator program

The example of practical task, made by students: Measurements of 3D coordinates of objects for volume of thermokarst crater determination

Stereocorrelation demonstration utility

The example of practical task, made by students: Automatic stereo measurements and visualization of results Simple comparing of perceived stereo model of terrain and its visualization as a topography map helps to students to comprehend the difference

Functional diagram of 3D information obtaining from stereo pair images, used during the training course

Stereopair of students group was made during the practical exercise

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