GIS Dictionary

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  1. [3D GIS] A digital representation of the surface of a feature.
  2. [photogrammetry] In imagery, a series of metrics resulting from image processing techniques used to characterize and identify an area of interest. It defines a pattern based on variability and other statistical measures across an object or feature. These are used in traditional pattern recognition techniques or machine learning algorithms, including convolutional neural networks (CNN).

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