![Gabriel Peyré on X: "Haar transform: only + and - yet surprisingly powerful. The first example of wavelet transform. https://t.co/X7gOV5Tfg4 https://t.co/uVvfApLw5S" / X Gabriel Peyré on X: "Haar transform: only + and - yet surprisingly powerful. The first example of wavelet transform. https://t.co/X7gOV5Tfg4 https://t.co/uVvfApLw5S" / X](https://pbs.twimg.com/media/ElSJSt7W0AEhFqU.jpg:large)
Gabriel Peyré on X: "Haar transform: only + and - yet surprisingly powerful. The first example of wavelet transform. https://t.co/X7gOV5Tfg4 https://t.co/uVvfApLw5S" / X
![Gabriel Peyré on X: "Only + and - operations: Walsh-Rademacher-Hadamard vs Haar transforms. Dense vs sparse (for piecewise constant inputs). https://t.co/ipXOKRorZ3 https://t.co/X7gOV6aQEE https://t.co/YbYAjta0vI" / X Gabriel Peyré on X: "Only + and - operations: Walsh-Rademacher-Hadamard vs Haar transforms. Dense vs sparse (for piecewise constant inputs). https://t.co/ipXOKRorZ3 https://t.co/X7gOV6aQEE https://t.co/YbYAjta0vI" / X](https://pbs.twimg.com/media/EwEUFQIWQAABzD5.jpg:large)
Gabriel Peyré on X: "Only + and - operations: Walsh-Rademacher-Hadamard vs Haar transforms. Dense vs sparse (for piecewise constant inputs). https://t.co/ipXOKRorZ3 https://t.co/X7gOV6aQEE https://t.co/YbYAjta0vI" / X
![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)