Ref. for feature method: "Robust texture features for blurred images using undecimated dual-tree complex wavelets", N. Anantrasirichai, J. Burn and David Bull. In Proceedings of the IEEE International Conference on Image Processing (ICIP 2014)
Ref. for UDT-CWT: "The undecimated dual tree complex wavelet transform and its application to bivariate image denoising using a cauchy model" P. Hill, A. Achim, and David Bull. In Proceedings of the IEEE International Conference on Image Processing (ICIP 2012)