Questions on the wavelet analysis functions of Mathematica.

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6
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0answers
1k views

Create “Ostagram” like Images using Wavelet Transforms

I am trying to make an "ostagram" like image using wavelet transforms and image keypoints. See the following link: https://www.facebook.com/ostagram/ This is done using neural networks, which I at ...
5
votes
0answers
443 views

Wavelet Transform Modulus Maxima (WTMM) method

Has anyone already coded the Wavelet Transform Modulus Maxima (WTMM) method for computing the singular spectrum using multi fractal formalism in Mathematica? The goal is to analyse 1D, 2D and 3D ...
2
votes
0answers
44 views

Modified WaveletImagePlot

When performing Wavelet Transform img = ExampleData[{"TestImage", "Lena"}]; dwd = DiscreteWaveletTransform[img, HaarWavelet[], 2] WaveletImagePlot[dwd] I get ...
2
votes
0answers
84 views

How to obtain amplitude and phase of tidal data using wavelets

I have a time series of tidal data for one month and success with identifying tidal characteristic such as semidiurnal or diurnal spring and neap position power spectrum However, I don't have ...
2
votes
0answers
185 views

Is there a relatively easy way to add the “Cone of Influence” to a waveletscalogram?

I am analyzing time series data using the ContinousWaveletTransform function and plotting the results with WaveletScalogram. I ...
1
vote
0answers
88 views

Problem with DiscreteWaveletTransform for DaubechiesWavelet

I am trying to use Mathematica's wavelet transform. In preparation I entered: ...