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Results tagged with raster
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user 6205
Raster is a data format consisting of regular grids of values, usually stored in an image-like format.
3
votes
1
answer
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What are some examples of model-based upscaling of raster data?
Remotely-sensed raster data may be too fine-grained for many purposes.
A typical approach to coarsen the grain is to upscale by reducing the resolution. … I believe that model-based approaches to upscaling will simplify a raster by adopting a more complex model of the raster (i.e. the cells and their adjacencies). …
- 501
6
votes
1
answer
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Conversion of raster features to polylines: skeletonization?
I would like to identify linear features, such as roads and rivers, on raster maps and convert them to a linear vector features (i.e. polylines). … Converting linear features of a certain class on a raster to polygons can be done using rasterToPolygons() in the R package raster, for example. …
- 501