Implementation of 2D Discrete Wavelet Transform by Number Theoretic Transform and 2D Overlap-Save Method

<table>Five steps of applying FNTT to calculate the output of (<a href="https://static.hindawi.com/articles/mpe/volume-2014/532979/figures/#EEq26">54</a>).</table>

Mathematical Problems in Engineering

fig5

Figure 5

Figure 5: Implementation of 2D Discrete Wavelet Transform by Number Theoretic Transform and 2D Overlap-Save Method 