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Data Acquisition, Automation

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Encyclopedia of GIS

Synonyms

Automatic information extraction; Image analysis; Scene analysis; Photogrammetry

Definition

Automatic data acquisition is the extraction of information from images, relevant for a given application, by means of a computer. Photogrammetric image processing is divided into two aspects, i. e., the geometric/radiometric image evaluation and image analysis. Geometric/radiometric image evaluation comprises image orientation, the derivation of geometric surface descriptions and orthoprojection. Image analysis contains the extraction and description of three‐dimensional (3D) objects. A strict separation of both areas is possible neither for manual nor for automatic photogrammetric image processing.

Historical Background

In the past, geometric/radiometric image evaluation and image analysis were two clearly separated steps in the photogrammetric processing chain. Using analogue imagery, automationwas understood as a supporting measure for a human operator, e. g., by driving the...

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Recommended Reading

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Author information

Authors and Affiliations

  1. Institute of Photogrammetry and GeoInformation, Leibniz University Hannover, Hannover, Germany

    Christian Heipke

Authors
  1. Christian Heipke
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Editor information

Editors and Affiliations

  1. Faculty of Computer Science and Engineering, University of Minnesota, Minneapolis, MN, 55455, USA

    Shashi Shekhar (McKnight Distinguished University Professor) (McKnight Distinguished University Professor)

  2. Management Science and Information Systems Department, Rutgers Business School Newark and New Brunswick Rutgers, the State University of New Jersey, Newark, NJ, 07102, USA

    Hui Xiong (Assistant Professor) (Assistant Professor)

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© 2008 Springer-Verlag

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Heipke, C. (2008). Data Acquisition, Automation. In: Shekhar, S., Xiong, H. (eds) Encyclopedia of GIS. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35973-1_235

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