![Discrete Wavelet Transform (DWT), Multiresolution Analysis (MAR), and Haar wavelet | by Xichu Zhang | Intuition | Medium Discrete Wavelet Transform (DWT), Multiresolution Analysis (MAR), and Haar wavelet | by Xichu Zhang | Intuition | Medium](https://miro.medium.com/v2/da:true/resize:fit:800/1*RpIxzUY03Sl0UQw5RzdibA.gif)
Discrete Wavelet Transform (DWT), Multiresolution Analysis (MAR), and Haar wavelet | by Xichu Zhang | Intuition | Medium
Gabriel Peyré on X: "The continuous wavelet transform was introduced by Grossman and Morlet. The decay of wavelet coefficients across scales characterizes the local regularity of a function. https://t.co/ae8KFX4WhE https://t.co/z26tSO0b4i" / X
![Gabriel Peyré on X: "The Fast Fourier and Wavelet transforms correspond to two sparse factorizations of an orthonormal matrix, leading to two fast iterative algorithms of O(n log(n)) and O(n) complexities. https://t.co/8VSEuZJljp https://t.co/X7gOV6aQEE https ... Gabriel Peyré on X: "The Fast Fourier and Wavelet transforms correspond to two sparse factorizations of an orthonormal matrix, leading to two fast iterative algorithms of O(n log(n)) and O(n) complexities. https://t.co/8VSEuZJljp https://t.co/X7gOV6aQEE https ...](https://pbs.twimg.com/media/ETp0a_UXsAABLZJ.jpg:large)
Gabriel Peyré on X: "The Fast Fourier and Wavelet transforms correspond to two sparse factorizations of an orthonormal matrix, leading to two fast iterative algorithms of O(n log(n)) and O(n) complexities. https://t.co/8VSEuZJljp https://t.co/X7gOV6aQEE https ...
![Graphical representation of the Haar Wavelet Source: Wikipedia (The... | Download Scientific Diagram Graphical representation of the Haar Wavelet Source: Wikipedia (The... | Download Scientific Diagram](https://www.researchgate.net/publication/329310685/figure/fig2/AS:698599860097029@1543570594607/Graphical-representation-of-the-Haar-Wavelet-Source-Wikipedia-The-Haar-Wavelet.jpg)