View source for AddOns/GRASS 7/imagery

{{AddOns}}
* '''[https://grass.osgeo.org/grass7/manuals/addons/ GRASS GIS 7 Addons Manual pages] - a complete overview of available Addons'''
* [https://github.com/OSGeo/grass-addons/ Browse the GRASS GIS add-ons code on GitHub]
* For addon installation, simply use {{cmd|g.extension}}
* Source code download: get all addons from the git repository with:
 <code>git clone https://github.com/OSGeo/grass-addons.git</code>

==== i.cva ====

{{AddonSrc|imagery|i.cva|version=7}} Performs Change Vector Analysis (CVA) in two dimensions.
: Author: Anna Zanchetta

==== i.destripe ====

{{AddonSrc|imagery|i.destripe|version=7}} destripes in a row-based Fourier smoothing way. Requires a near vertical striping for best effect.
: Author: Yann Chemin

==== i.eb.h_sebal95 ====

{{AddonSrc|imagery|i.eb.hsebal95|version=7}} Sensible heat flux modeling following Bastiaanssen (1995, 1998) method.
: Author: Yann Chemin

==== i.eb.z0m ====

{{AddonSrc|imagery|i.eb.z0m|version=7}} Estimation of the aerodynamic surface momentum (in use for energy balance models).
: Author: Yann Chemin

==== i.edge ====

{{AddonSrc|imagery|i.edge|version=7}} is an edge detector based on the Canny algorithm
....

==== i.evapo.potrad ====

{{AddonSrc|imagery|i.evapo.potrad|version=7}} Potential evapotranspiration using astronomical equations (full radiative energy from sun is converted to ET)
: Author: Yann Chemin

==== i.evapo.senay ====

{{AddonSrc|imagery|i.evapo.senay|version=7}} Senay (2001) used ET Penman-Montieth (1972, see i.evapo.pm) along with a LST based fraction for ET modeling, also referred as SSEB.
: Author: Yann Chemin

==== i.evapo.zk ====

{{AddonSrc|imagery|i.evapo.zk|version=7}} Biome based Global Evapotranspiration modelling after Zhang and Kimball (2010?)
: Author: Yann Chemin

==== i.feotio2 ====

{{AddonSrc|imagery|i.feotio2|version=7}} Calculates the FeO or TiO2 contents from the Clementine project Moon (Lunar) data.
: Author: Yann Chemin

==== i.fusion.brovey ====

--> old, merged into {{cmd|i.pansharpen|version=70}}

==== i.fusion.hpf ====

{{AddonSrc|imagery|i.fusion.hpf|version=7}} Fusing high resolution Panchromatic and low resolution Multi-Spectral data based on the High-Pass Filter Addition technique (Gangkofner, 2008)
: Author: Nikos Alexandris

==== i.gravity ====

{{AddonSrc|imagery|i.gravity|version=7}} calculates the Bouguer gravity anomaly (after Mussett and Khan).

: Author: Yann Chemin

==== i.histo.match ====

{{AddonSrc|imagery|i.histo.match|version=7}} performs histogram matching on the given input images.

: '''Authors:''' Laura Zampa (PERL version), rewritten and updated by Luca Delucchi, Italy

==== i.landsat8.swlst ====

{{AddonSrc|imagery|i.landsat8.swlst|version=7}} Practical split-window algorithm estimating Land Surface Temperature from Landsat 8 OLI/TIRS imagery.
: Author: Nikos Alexandris

==== i.lmf ====

{{AddonSrc|imagery|i.lmf|version=7}} Local Maximum fitting, maximizes temporal/spectral information using Akaike Information Content, and overall smoothes the output in the spectral/temporal dimension.
: Author: Yann Chemin

==== i.nightlights.intercalibration ====

{{AddonSrc|imagery|i.nightlights.intercalibration|version=7}} performs inter-satellite calibration on DMSP-OLS nighttime lights time series
: Author: Nikos Alexandris

==== i.points.auto ====

...

==== i.pr ====

...

==== i.rotate ====

{{AddonSrc|imagery|i.rotate|version=7}} calculates an arbitrary rotation of the image from the  center of the computing window (not finished)

: Author: Yann Chemin

==== i.segment.gsoc ====

* see [[GRASS GSoC 2012 Image Segmentation]]

--> old, improved version moved into GRASS 7 trunk as {{cmd|i.segment}}

==== i.segment.hierarchical ====

{{AddonSrc|imagery|i.segment.hierarchical|version=7}} performs a hierarchical segmentation on an image (group). The module uses internally {{cmd|i.segment}}

==== i.segment.stats ====

{{AddonSrc|imagery|i.segment.stats|version=7}} calculates statistics describing raster area.

==== i.spec.sam ====

{{AddonSrc|imagery|i.spec.sam|version=7}}: Spectral Angle Mapping, depends upon libmeschach(-dev). 

* In Ubuntu: 'sudo apt-get install libmeschach-dev' will do the job.

: Authors: Markus Neteler (GRASS 5 version), updated to GRASS 7: Yann

==== i.spec.unmix ====

{{AddonSrc|imagery|i.spec.unmix|version=7}}: Spectral unmixing

: Authors: Markus Neteler (GRASS 5 version), updated to GRASS 7: Mohammed Rashad

==== i.theilsen ====

{{AddonSrc|imagery|i.theilsen|version=7}} robust spectral/temporal trend estimator after Theil-Sen work.
: Author: Yann Chemin

==== i.vi.mpi ====

{{AddonSrc|imagery|i.vi.mpi|version=7}} is a learning module to study MPI C-extension distributed computing language.

==== i.wavelet ====

{{AddonSrc|imagery|i.wavelet|version=7}} decomposes the time-series with the requested wavelet. The output will have 4 components, High-Pass Level 1 and 2, Low-Pass Level 1 and 2. Low Pass Level 1 can be recomposed using HP2 and LP2 using the recomposition mode.
This module is designed to make a temporal fusion from multi-sources.