Figure 2From: Effect of chewing on dental patients with total denture: an experimental study Sub-band decomposition of discrete wavelet transform (DWT) implementation; x[n] is input signal, g[n] is the high-pass filter, h[n] is the low-pass filter, and C is coefficient matrix which is decomposition of wavelet coefficients with three level ‘Db3’ (The abbreviations A and D respectively stand for Approximation and Detail). Back to article page