Two 'Gray Level Co-occurrence Matrix' ('GLCM') implementations are included: The first is a fast 'GLCM' feature texture computation based on 'Python' 'Numpy' arrays ('Github' Repository, <https://github.com/tzm030329/GLCM>). The second is a fast 'GLCM' 'RcppArmadillo' implementation which is parallelized (using 'OpenMP') with the option to return all 'GLCM' features at once. For more information, see "Artifact-Free Thin Cloud Removal Using Gans" by Toizumi Takahiro, Zini Simone, Sagi Kazutoshi, Kaneko Eiji, Tsukada Masato, Schettini Raimondo (2019), IEEE International Conference on Image Processing (ICIP), pp. 3596-3600, <doi:10.1109/ICIP.2019.8803652>.
| Version: | 1.0.3 | 
| Depends: | R (≥ 3.2.3) | 
| Imports: | Rcpp (≥ 1.0.8.3), R6, rlang, OpenImageR, utils | 
| LinkingTo: | Rcpp, RcppArmadillo, OpenImageR | 
| Suggests: | reticulate, covr, knitr, rmarkdown, testthat (≥ 3.0.0) | 
| Published: | 2025-09-14 | 
| DOI: | 10.32614/CRAN.package.fastGLCM | 
| Author: | Lampros Mouselimis | 
| Maintainer: | Lampros Mouselimis <mouselimislampros at gmail.com> | 
| BugReports: | https://github.com/mlampros/fastGLCM/issues | 
| License: | GPL-3 | 
| Copyright: | inst/COPYRIGHTS fastGLCM copyright details | 
| URL: | https://github.com/mlampros/fastGLCM | 
| NeedsCompilation: | yes | 
| SystemRequirements: | apt-get-pip: apt-get install -y python3-pip (deb), python3-pip: python3 -m pip install -U pip (deb), numpy: pip3 install -U numpy (deb), cv2: pip3 install -U opencv-python (deb), matplotlib: pip3 install -U matplotlib (deb), skimage: pip3 install -U scikit-image (deb), libarmadillo: apt-get install -y libarmadillo-dev (deb), libblas: apt-get install -y libblas-dev (deb), liblapack: apt-get install -y liblapack-dev (deb), libarpack++2: apt-get install -y libarpack++2-dev (deb), gfortran: apt-get install -y gfortran (deb) | 
| Citation: | fastGLCM citation info | 
| Materials: | README, NEWS | 
| CRAN checks: | fastGLCM results | 
| Reference manual: | fastGLCM.html , fastGLCM.pdf | 
| Vignettes: | Functionality of the fastGLCM R package (source, R code) | 
| Package source: | fastGLCM_1.0.3.tar.gz | 
| Windows binaries: | r-devel: fastGLCM_1.0.3.zip, r-release: fastGLCM_1.0.3.zip, r-oldrel: fastGLCM_1.0.3.zip | 
| macOS binaries: | r-release (arm64): fastGLCM_1.0.3.tgz, r-oldrel (arm64): fastGLCM_1.0.3.tgz, r-release (x86_64): fastGLCM_1.0.3.tgz, r-oldrel (x86_64): fastGLCM_1.0.3.tgz | 
| Old sources: | fastGLCM archive | 
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