1. Pitas, I., Venetsanopoulos, a.N. (1990): Nonlinear Digital Filters: Principles and Applications. Kluwer Academic Publishers, Boston, MA.
2. Sung, Kah-Yay (1993): A Vector Signal Processing Approach to Color. M.S. Thesis, Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology.
3. Vinaygamoorthy, S., Plataniotis, K.N., Androutsos, D., Venetsanopoulos, A.N. (1996): A multichannel filter for TV signal processing. IEEE Trans. on Consumer Electronics, 42 (2), 199–206.
4. Sanwalka, Sunil (1992): Vector Order Statistic Filters for Color Image Processing. M.A.Sc. Thesis, Department of Electrical and Computer Engineering, University of Toronto.
5. van Hateren, J.H. (1993): Spatial, temporal and pre-processing for color vision. Journal of Royal Statistical Society B, 251, 61–68.