{"product_id":"digital-photogrammetry-a-practical-course-von-wilfried-linder","title":"Digital Photogrammetry","description":"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 pos- ble 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 interpre- tion, 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.\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9783642445170\"\u003e\u003ch3\u003eA Practical Course\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9783642445170","offer_id":39431445053533,"sku":"9783642445170","price":155.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/f65e8b8d-c7c8-4f64-8f5c-b63d20e66a93.jpg?v=1775193825","url":"https:\/\/shop.autorenwelt.de\/en\/products\/digital-photogrammetry-a-practical-course-von-wilfried-linder","provider":"Autorenwelt Shop","version":"1.0","type":"link"}