How does output yl reflect the two approximate subbands?

fbcotter / pytorch_wavelets

Pytorch implementation of 2D Discrete Wavelet (DWT) and Dual Tree Complex Wavelet Transforms (DTCWT) and a DTCWT based ScatterNet

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How does output yl reflect the two approximate subbands? #46

Open adengna1 opened 1 year ago

adengna1 commented 1 year ago

DT-CWT is carried out on the feature map x to produce eight subbands, two approximation subbands and six high frequency subbands. How does output yl reflect the two approximate subbands?