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1.1 Basic idea and main task of photogrammetry If you want to measure the size of an object, let’s say the length, width and height of a house, then normally you will carry this out directly at the object. Now imagine that the house didn’t exist anymore – it was destroyed, but some historic photos exist. Then, if you can determine the scale of the photos, it must be possible to get the desired data. Of course you can use photos to get information about objects. This kind of - formation is different: So, for example, you may receive qualitative data (the house seems to be old, the walls are coloured light yellow) from photo interpretation, or quantitative data like mentioned before (the house has a base size of 8 by 6 meters) from photo measurement, or information in addition to your background knowledge (the house has elements of the “art nouveau” style, so may be c- th structed at the beginning of the 20 century), and so on.

Photogrammetry --- Image processing --- Digital techniques. --- Digital image processing --- Digital electronics --- Digital photogrammetric systems --- Digital photogrammetry --- DP (Digital photogrammetry) --- DPS (Digital photogrammetric systems) --- Geographical information systems. --- Physical geography. --- Information systems. --- Regional planning. --- Geographical Information Systems/Cartography. --- Remote Sensing/Photogrammetry. --- Geophysics/Geodesy. --- Information Systems and Communication Service. --- Landscape/Regional and Urban Planning. --- Geography --- Geographical information systems --- GIS (Information systems) --- Information storage and retrieval systems --- Regional development --- Regional planning --- State planning --- Human settlements --- Land use --- Planning --- City planning --- Landscape protection --- Government policy --- Photogrammetry. --- Photography --- Digital photography --- Photographic measurements --- Stereophotogrammetry --- Image analysis --- Digital techniques --- Remote sensing. --- Geophysics. --- Computers. --- Urban planning. --- Cities and towns --- Civic planning --- Land use, Urban --- Model cities --- Redevelopment, Urban --- Slum clearance --- Town planning --- Urban design --- Urban development --- Urban planning --- Art, Municipal --- Civic improvement --- Urban policy --- Urban renewal --- Automatic computers --- Automatic data processors --- Computer hardware --- Computing machines (Computers) --- Electronic brains --- Electronic calculating-machines --- Electronic computers --- Hardware, Computer --- Computer systems --- Cybernetics --- Machine theory --- Calculators --- Cyberspace --- Geological physics --- Terrestrial physics --- Earth sciences --- Physics --- Remote-sensing imagery --- Remote sensing systems --- Remote terrain sensing --- Sensing, Remote --- Terrain sensing, Remote --- Aerial photogrammetry --- Aerospace telemetry --- Detectors --- Space optics --- Management --- Fotogrammetrie