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The glcm package enables calculating image textures
derived from grey-level co-occurrence matrics (GLCMs) in R. The texture
calculation is coded in C++ to optimize computation time. The
glcm function in the package can compute the following
texture statistics: mean (using either of two definitions), variance
(using either of two definitions), homogeneity, contrast, dissimilarity,
entropy, second_moment, and, correlation. The window size, shift, and
grey-level quantization are user determined. See the help file for
glcm (included in the package) for details.
To install the latest stable version of glcm from CRAN, fire up R and
run:
install.packages('glcm')glcm Development VersionIf you want the very latest version of glcm, you can
install the development version. Be aware this version might not install
as it is not as well tested as the stable version.
NOTE: If you are installing on Windows, you will need to
install the appropriate version of Rtools for
your version of R (as glcm contains C++ code) before you
follow the below steps.
The easiest way to install the development version of the
glcm package is using the devtools
package by Hadley Wickham. After installing devtools from
CRAN, type:
library(devtools)
install_github('azvoleff/glcm')Alex Zvoleff
Postdoctoral Associate
Tropical Ecology Assessment and Monitoring (TEAM) Network
Conservation International
2011 Crystal Dr. Suite 500
Arlington, VA 22202
USA
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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