Learn R Programming

⚠️There's a newer version (1.1.6) of this package.Take me there.

gasper (version 1.1.3)

Graph Signal Processing

Description

Provides the standard operations for signal processing on graphs: graph Fourier transform, spectral graph wavelet transform, visualization tools. It also implements a data driven method for graph signal denoising/regression, for details see De Loynes, Navarro, Olivier (2019) . The package also provides an interface to the SuiteSparse Matrix Collection, , a large and widely used set of sparse matrix benchmarks collected from a wide range of applications.

Copy Link

Version

Install

install.packages('gasper')

Monthly Downloads

258

Version

1.1.3

License

LGPL (>= 2)

Issues

Pull Requests

Stars

Forks

Maintainer

Fabien Navarro

Last Published

February 11th, 2023

Functions in gasper (1.1.3)

plot_graph

Graph plot
pittsburgh

Pittsburgh network.
smoothmodulus

Modulus of smoothness.
swissroll

Swiss roll graph generation
plot_signal

Plot a signal on top of a given graph
download_graph

Download sparse matrix form the SuiteSparse Matrix Collection.
eigendec

Spectral decomposition of a symetric matrix
full

Convert symmetric sparse matrix to full matrix.
fullup

Convert symmetric sparse matrix to full matrix.
plot_filter

Plot tight-frame filters.
forward_sgwt

Compute Forward Spectral Graph Wavelet Transform.
tight_frame

Tight-frame computation.
synthesis

Synthesis operator.
rlogo

R logo graph.
randsignal

Generate random signal with varying regularity.
zetav

Evaluates tight-frame kernel functions
minnesota

Minnesota road network.
matmult

Matrix multiplication
analysis

Analysis operator.
NYCdata

NYC network.
adjacency_mat

Compute the adjacency matrix of the gaussian weighted graph
PSNR

Peak Signal to Noise Ratio.
inverse_sgwt

Compute Inverse Spectral Graph Wavelet Transform.
GVN

Graph Von Neumann Estimator.
eigensort

Spectral decomposition of a symetric matrix.
SUREthresh

Stein's Unbiased Risk Estimate.
SURE_MSEthresh

Stein's Unbiased Risk Estimate.
SNR

Signal to Noise Ratio.
betathresh

Apply Beta Threshold.
laplacian_mat

Laplacian matrix.
HPFVN

High Pass Filter Von Neumann Estimator.
gasper-package

gasper: Graph Signal Processing
grid1

grid1 graph.