This chapter is devoted to discrete transforms other than DFT and DCT. We begin with binary Walsh-
Hadamard and Haar Transforms, then proceed to signal sub-band decomposition wavelet and sliding window
transforms and end up with Radon Transform.
Hadamard, Walsh, Wavelet and Other Transforms, Digital Signal Processing in Experimental Research Volume Title: Fast Transform Methods in Digital Signal Processing (2011) 1: 32. https://doi.org/10.2174/978160805230111101010032