https://cschwem2er.r-universe.dev/imgrechttps://cschwem2er.r-universe.dev/api/packages/imgrechttps://cschwem2er.r-universe.dev/imgrec/imgrec.pdfhttps://cschwem2er.r-universe.dev/imgrec/doc/manual.htmlhttps://cschwem2er.r-universe.dev/imgrec/NEWShttps://cschwem2er.r-universe.dev/imgrec/NEWS.txthttps://cschwem2er.r-universe.dev/imgrec/citationhttps://cschwem2er.r-universe.dev/imgrec/citation.txthttps://cschwem2er.r-universe.dev/imgrec/citation.cffhttps://cschwem2er.r-universe.dev/imgrec/doc/intro.Rmdhttps://cschwem2er.r-universe.dev/articles/imgrec/intro.html