bwt

代码说明：

  BWT decomposition Version 1.2 Arguments: im: A square image side length must be a power of 3 Result: decomp: The decomposition is laid out (BWT decomposition Version 1.2 Arguments: im: A square image side length must be a power of 3 Result: decomp: The decomposition is laid out as (per Figure 3 of Willmore et al 2008): Citation: Willmore B, Prenger RJ, Wu MC and Gallant JL (2008). The Berkeley Wavelet Transform: A biologically-inspired orthogonal wavelet transform. Neural Computation 20:6, 1537-1564 )