University of Göttingen - Institute for Numerical and Applied Mathematics
Research group for Mathematical Signal and Image Processing
Software

Easy Path Wavelet Transform (EPWT)
Wavelet shrinkage on paths for denoising of scattered data including an adaptive deterministic and an adaptive random path construction.
Dennis Heinen, Gerlind Plonka, Stefanie Tenorth
Region Based Easy Path Wavelet Transform (RBEPWT)
A Region Based EPWT-like method for Sparse Image Representation
Renato Budinich
pyShearLab - A Python 2D Shearlet Toolbox
A Python toolbox for the two-dimensional discrete shearlet transform based on ShearLab3D.
Stefan Loock
PRwSC - A Toolbox for Phase Retrieval with Sparsity Constraints
A toolbox for Matlab and Python (pyPRwSC) for the reconstruction of images from phase retrieval data using sparsity constraints.
Stefan Loock
Tetrolet Transform
A New Adaptive Haar Wavelet Algorithm for Sparse Image Representation.
Jens Krommweh
Sparse FFT (small support)
A new deterministic sparse FFT algorithm for vectors with small support.
Katrin Wannenwetsch, Gerlind Plonka
Sparse FFT (real non-negative)
A new deterministic sparse FFT algorithm for real non-negative vectors.
Katrin Wannenwetsch, Gerlind Plonka
Sparse FFT for Functions with Short Frequency Support
A deterministic sparse FFT algorithm for functions with short frequency support.
Sina Bittens
A Deterministic Sparse FFT for Functions with Structured Fourier Sparsity
A deterministic sparse FFT algorithm for functions with block-structured Fourier sparsity, implemented in C++.
Sina Bittens, Ruochuan Zhang, Mark Iwen
Deterministic Sparse FFT
Deterministic sparse FFT for M-sparse vectors, implemented in MATLAB.
Gerlind Plonka, Katrin Wannenwetsch



Research Group for Mathematical Signal and Image Processing

Institute for Numerical and Applied Mathematics
Lotzestr. 16-18
37083 Göttingen