It seems like the authors are truly limited by the data here. I mean, if someone was to do a similar project of Chinese Qing dynasty portraits, you would expect

It seems like the authors are truly limited by the data here. I mean, if someone was to do a similar project of Chinese Qing dynasty portraits, you would expect a bias to Asian faces. We have to be so conscious of bias in AI, yet in this case I wonder what the solution (if there is one) would be, given you genuinely have a biased data set to begin with.