# Theoretical description of algorithms

- [H/A/Alpha decomposition](h_a_alpha_for_docs.html)
- [Freeman-Durden decomposition](Freeman_theory.html)
- [Van Zyl 1992 decomposition](Van_Zyl_1992_theory.html)
- [Yamaguchi 3-component decomposition](Yamaguchi_3_theory.html)
- [Yamaguchi 4-component decomposition](Yamaguchi_4_theory.html)
- [Refined Lee filter](Refined_Lee_theory.html)
- [Wishart H/A/Alpha classification](Wishart_H_A_Alpha_theory.html)
- [Wishart Supervised classification](Wishart_supervised_theory.html)