You should check out this paper where they tested different representations on humans to see what they could tell apart, and came up with a novel representation

You should check out this paper where they tested different representations on humans to see what they could tell apart, and came up with a novel representation called Moji. https://exascale.info/assets/pdf/students/MSc_Thesis_-_Michael_Luggen__14_09_2012.pdf https://exascale.info/assets/pdf/students/MSc_Thesis_-_Micha...