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Splits the current subband in its four subbands. This creates the four childs (LL, HL, LH and HH) and converts the leaf in a node.
protected abstract Subband split(WaveletFilter hfilter, WaveletFilter vfilter)
Type | Name | Description |
---|---|---|
WaveletFilter | hfilter | The horizontal wavelet filter used to decompose this subband. |
WaveletFilter | vfilter | The vertical wavelet filter used to decompose this subband. |
Type | Description |
---|---|
Subband | A reference to the LL leaf (getLL()). |