how to interpret scalogram coefficients

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Lucrezia Cester
Lucrezia Cester 2020-11-14
回答： Maadhav Akula 2020-11-19
Hello,
Once I obtain the scalogram coefficients and can make an image of them with this code.
[S,U] = scatteringTransform(sf,wecg);
figure
scattergram(sf,U,'FilterBank',1)
How can I retrieve the matrix that makes this image? U is a 3x1 cell where wach cell contains a different number of cells.
I don't understand how to plot U (without scattergram as above) in a way that still make sense. I just want the matrix of the image formed with this code.
scattergram(sf,U,'FilterBank',1)

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回答（1 个）

Maadhav Akula
Maadhav Akula 2020-11-19
I think you can refer the following answer if you want to capture the data of a figure:
https://www.mathworks.com/matlabcentral/answers/278739-how-can-i-get-the-data-from-3d-graph-xyz

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