17 Photogrammetry

17.1 Introduction

Photogrammetry is the art, science and technology of obtaining reliable quantitative information about physical objects and the environment through the process of recording, measuring and interpreting photographic images and patterns (Karara, 1989). Applications are grouped as topographic, the making of maps and plans, and non-topographic, also known as close-range or terrestrial photogrammetry (Clayton, 1989), which includes medical, biostereometric, engineering, archaeological, geological and architectural uses. Various mechanical, optical and mathematical techniques or routines are used for image evaluation by analogue, analytical or digital methods. Photogrammetry can be a swift, economical, accurate and ...

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