I have tried the build-in XYZ colorspace but this is not the right colorspace i need
before i used the magick.net, i have done the work with the Imagemagick OLE objekt and this code
before i used the magick.net, i have done the work with the Imagemagick OLE objekt and this code
img.Convert("-depth", "12", "-gamma", "0.454545", "-recolor", "0.4124564 0.3575761 0.1804375 0.2126729 0.7151522 0.0721750 0.0193339 0.1191920 0.9503041", "-gamma", "2.6", "-type", "TrueColor", input, output)
and works correct