1. P. Chalermwat, High performance automatic image registration for remote sensing, Ph.D. Thesis, George Mason University, USA, 1999, pp. 51–65 (Chapter 4)
2. T. El-Gazhawi, P. Chalermwat, J. Le Moigne, Wavelet-based image registration on parallel computers, Super Computing'97, San Jose, November, 1997
3. W.T. Freeman, Steerable filters and local analysis of image structure, Ph.D. Thesis, Massachusetts Institute of Technology, USA, 1992, pp. 12–33 (Chapter 2)
4. The design and use of steerable filters;Freeman;IEEE Transaction on Pattern Analysis and Machine Intelligence,1991
5. W.T. Freeman, E.H. Adelson, Steerable filters for early vision, image analysis, and wavelet decomposition, in: Proceedings of 3rd International Conference on Comput. Vision (Osaka, Japan), pp. 406–415