
Wavelet Scattering explanation? - Signal Processing Stack Exchange
Oct 2, 2021 · Wavelet Scattering is an equivalent deep convolutional network, formed by cascade of wavelets, modulus nonlinearities, and lowpass filters. It yields representations that are time-shift …
Power/Energy from Continuous Wavelet Transform
Jan 13, 2023 · How can power or energy be computed from Continuous Wavelet Transform? Is it just $\sum |\text {CWT} (x)|^2$, or are there other considerations, particularly if interested in a subset of …
Discrete wavelet transform; how to interpret approximation and detail ...
Discrete wavelet transform; how to interpret approximation and detail coefficients? Ask Question Asked 8 years, 3 months ago Modified 2 years, 11 months ago
Relationship between wavelet shape and wavelet filters
MATLAB has a library of wavelet functions, showing their "continuous forms" as well as the the decomposition and reconstruction filters. In decimated wavelet transform the filter size remains the ...
What is the scaling function and wavelet function at wavelet analysis ...
May 6, 2015 · I'm trying to looking the meaning and functionality about scaling function and wavelet function at wavelet analysis. I have googling already. But I can't find and understand the meaning. …
Spectogram: Short-time Fourier Transform vs Time-Frequency Wavelet ...
Sep 7, 2024 · I have read that the Wavelet Transform can be used to create spectogram, the different result is, the resolution between frequency and time is not linear. In another word, lower frequency …
Wavelet thresholding - Signal Processing Stack Exchange
What is the difference between soft thresholding and hard thresholding. Where we use soft and hard thresholding in image for denoising. I understand that in hard thresholding, the coefficients below
cwt - Continuous Wavelet Transform vs Discrete Wavelet Transform ...
Aug 7, 2021 · The discrete wavelet transform is applied in many areas, such as signal compression, since it is easy to compute. I notice that, However, the continuous wavelet transform (CWT) is also …
What Is the Difference between Difference of Gaussian, Laplace of ...
Traditionally, the Ricker wavelet is the 1D version. The Marr wavelet or the Mexican hat are names given in the context of 2D image decompositions, you can consider for instance Section 2.2 of A …
wavelet - Synchrosqueezing transform - Signal Processing Stack …
Jul 8, 2024 · I am using the Synchrosqueezing Wavelet Transform and I want to compare it to classical CWT. For this, I use a signal consisting of a chirp. Strangely, in the SST result, it looks like the chirp …