The following publications are possibly variants of this publication:
- Fuzzy set theoretical analysis of the membership values on the RGB color triangleNaotoshi Sugano, Yuko Chiba. SMC 2007: 841-846 [doi]
- Fuzzy Set Theoretical Approach to the Tone Triangle SystemNaotoshi Sugano. ijssci, 5(3):33-54, 2013. [doi]
- Color-naming System Using Fuzzy Set Theoretical ApproachNaotoshi Sugano. fuzzIEEE 2001: 81-84
- Fuzzy Set Theoretical Analysis of Human Membership Values on the Color Triangle - Mapping from the Color Triangle (Antecedent) via the Color Triangle (Consequent) to the Tone TriangleShun Kato, Itsuki Shinomiya, Fumihiko Mori, Naotoshi Sugano. icpram 2014: 239-246 [doi]
- Fuzzy Set Theoretical Analysis of Human Membership Values on the Color TriangleNaotoshi Sugano, Shou Komatsuzaki, Hiroyuki Ono, Yuko Chiba. jcp, 4(7):593-600, 2009. [doi]