Figure 5.
Algorithm of DWT decomposition through filter bank, where X[n] is the input signal, AC1, DC1 and AC2, DC2 represent two levels of decomposition of X[n], respectively.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.