
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 …
Discrete wavelet transform; how to interpret approximation and detail ...
Discrete wavelet transform; how to interpret approximation and detail coefficients? Ask Question Asked 8 years, 4 months ago Modified 2 years, 11 months ago
Wavelet "center frequency" explanation? Relation to CWT scales?
Jul 17, 2021 · Mathematically, once the mother wavelet is parameterized, change in scale is a uniform shift of the wavelet in log-frequency - hence, peak center frequency is exactly inversely related to …
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 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. …
Wavelet thresholding - Signal Processing Stack Exchange
Apr 7, 2014 · 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 …
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 …
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 …
fft - Which time-frequency coefficients does the Wavelet transform ...
The Fast Wavelet Transform recursively subdivides your signal and computes the sum and difference of the two halves each time. The difference is the magnitude of the transform for the current wavelet …
Advantage of STFT over wavelet transform
Dec 14, 2021 · Wavelet transforms and short-term/short-time Fourier transforms are broad names for classes of transformations that are not totally distinct and may overlap (pun intended). Both can be …