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 cursor...
References
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Heipke, C. (2016). Data Acquisition, Automation. In: Shekhar, S., Xiong, H., Zhou, X. (eds) Encyclopedia of GIS. Springer, Cham. https://doi.org/10.1007/978-3-319-23519-6_235-2
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DOI: https://doi.org/10.1007/978-3-319-23519-6_235-2
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