WA Inverse 1D Integer Wavelet Transform VI

extension specifies the method to use to pad data at the borders of the approximation coefficients and the detail coefficients before each iteration of the lifting scheme. The coefficient extension is essential for reconstructing the entire signal. When you select the extension method, make the transition between the input signal and the padded data as smooth as possible because a smooth transition generates fewer large detail coefficients and enhances the efficiency of the signal representation.

IWT coef specifies the approximation coefficients and the detail coefficients for the multi-level inverse integer wavelet transform (IWT). You must organize the coefficients into a 1D integer array starting with the approximation coefficients at the largest level followed by the detail coefficients at all levels in descending order.

length specifies the length of the approximation coefficients, the detail coefficients, and the signal. You must organize length into a 1D array starting with the length of the approximation coefficients at the largest level, the length of the detail coefficients at all levels in descending order, and the length of the signal.

wavelet specifies the wavelet type of the integer wavelet analysis. The default is Haar. wavelet must be the same type as the wavelet type you selected in the WA Integer Wavelet Transform VI to compute IWT coef.

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

signal returns the reconstructed integer signal.

error out contains error information. This output provides standard error out functionality.