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docs: add intro text to imageryintro.html #4536

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a8f25c6
docs: add intro text to imageryintro.html
neteler Oct 16, 2024
69a57b4
fine-tune wording
neteler Oct 16, 2024
b66e25b
Update imagery/imageryintro.html
neteler Oct 17, 2024
f578e6d
add term 'remote sensing'
neteler Oct 17, 2024
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2 changes: 1 addition & 1 deletion gui/wxpython/gmodeler/g.gui.gmodeler.html
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Expand Up @@ -466,7 +466,7 @@ <h2>SEE ALSO</h2>

<p>
See also selected user models available from
<a href="https://grass.osgeo.org/grass78/manuals/addons/">GRASS Addons repository</a>.
<a href="https://grass.osgeo.org/grass8/manuals/addons/">GRASS Addons repository</a>.

<p>
See also
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15 changes: 15 additions & 0 deletions imagery/imageryintro.html
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Expand Up @@ -2,6 +2,21 @@
<!-- meta page index: imagery -->
<h3>Image processing in general</h3>

GRASS GIS provides a powerful suite of tools for the processing and
analysis of geospatial raster data, including satellite imagery and
aerial photography. Its image processing capabilities encompass a broad
range of preprocessing operations, such as data import, georeferencing,
radiometric calibration, and atmospheric correction. It is particularly
suited for handling Earth observation data, enabling the analysis of
multispectral and temporal datasets. GRASS GIS supports advanced
functionalities such as image classification, sensor fusion, and point
cloud statistics. The calculation of vegetation indices further enables
analyses of environmental, agricultural, and land cover dynamics. An
extensive collection of
<a href="https://grass.osgeo.org/grass8/manuals/addons/#i">addons</a>
further enhances its image processing capabilities, particularly in the
context of Earth observation and remote sensing applications.

<b>Digital numbers and physical values (reflection/radiance-at-sensor):</b>
<p>
Satellite imagery is commonly stored in Digital Numbers (DN) for
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