Fail installation

[cwy20030]

installing source package 'Rvision' ...
** using non-staged installation via StagedInstall field

• set -e
• C:/PROGRA1/R/R-441.1/bin/x64/Rscript.exe -e 'if (nzchar(Sys.getenv('''CI''')) & !ROpenCVLite::isOpenCVInstalled()) ROpenCVLite::installOpenCV(batch = TRUE)'
• C:/PROGRA1/R/R-441.1/bin/x64/Rscript.exe -e 'if (nzchar(Sys.getenv('''CI''')) & ROpenCVLite::isOpenCVInstalled() & unlist(strsplit(as.character(utils::packageVersion('''ROpenCVLite''')), '''[.]'''))[3] != gsub('''[^0-9]''', '''''', ROpenCVLite::opencvVersion())) ROpenCVLite::installOpenCV(batch = TRUE)'
  Erreur dans ROpenCVLite::opencvVersion() :
  OpenCV is not installed on this system. Please use installOpenCV() to install it.
  Appels : gsub -> is.factor ->
  Exécution arrêtée
  ERROR: configuration failed for package 'Rvision'

• removing '/AppData/Local/R/win-library/4.4/Rvision'

[sjmgarnier]

@cwy20030 Have you completed section 1.1.2 of the installation instructions? https://swarm-lab.github.io/Rvision/articles/z1_install.html