enh: Write scalar 2D images to PNG file [IO]
enh: Write scalar 2D images to PNG file [IO]

schuhschuh/MIRTK,schuhschuh/MIRTK,BioMedIA/MIRTK,BioMedIA/MIRTK,schuhschuh/MIRTK,schuhschuh/MIRTK,BioMedIA/MIRTK,BioMedIA/MIRTK