This presentation by one of the authors is a good primer on the current issues around Black hair and hairstyles in Hollywood, CGI, and video games, and why this research is important: https://www.tkim.graphics/MORETHAN/Darke_Slides.pdf
I wonder if this becomes relevant also in analyzing real hair, for designing hair-related products etc.
There is a trillion dollar market in hair, but it is not about virtual models.
This looks great, but 234 Kelvin is almost -40° Celsius. Why so cold?