Comment Same folks probably complain about the old RCA (Score 1) 628
TV test pattern, because it has a stereotypical representation of a Native American on it....
The whole purpose of a standard image is to be able to make direct comparisons between your work and the work of others. For better or worse, the Lena image (cropped so as not to show the naughty bits) IS the standard test image in this field, much as the old Indian Head was in the days before color TV.