ELI5: Explain Like I'm 5

Type-2 fuzzy sets and systems

Type-2 fuzzy sets and systems are a way of working with fuzzy (or unclear) information. They are used in a lot of different fields, like computer vision, medical diagnosis, and financial forecasting. Basically, type-2 fuzzy sets are ways to make sense of uncertain data, and they are made up of two parts: a type-1 fuzzy set and a type-2 fuzzy set.

A type-1 fuzzy set is a way of representing information that is uncertain or has a lot of different possible answers. It's made up of a series of 'if/then' statements that make clear what might happen in certain situations.

A type-2 fuzzy set is basically an extension of a type-1 fuzzy set. It also has a series of 'if/then' statements, but it also takes into account the possibility that the answers given by the type-1 fuzzy set might change over time. This allows the type-2 fuzzy set to incorporate new information that can be used to make sure the result is still accurate.

When you put both type-1 and type-2 fuzzy sets together, you can use them to create a type-2 fuzzy system. These systems are made up of a lot of different 'if/then' rules and can be used to make decisions about complicated situations. Basically, these systems take all the fuzzy information you have, make sense of it, and then try to come up with the best solution.