The normalize function accepts the following TIFF Input Files:
8-bit TIFF files (composite as well) created in Adobe Photoshop software, including files in grayscale, RGB, and CMYK color spaces
1-bit Photoshop TIFF files (bitmaps)
TIFF files with spot channels
L*a*b* with indexed color spaces
whole image and tile formatting
The normalize function does not support 1-bit and 8-bit TIFF files from third-party workflows and software.