Analysis and comparison of high-performance computing solvers for minimisation problems in signal processing

Simone Cammarasana, Giuseppe Patanè

Abstract: Highlights•Comparison of constrained and unconstrained minimisation problems in signal processing applications.•Comparison of local and global optimisers, linear system solvers, and singular- values decomposers.•Design of efficient signal approximation and denoising methods on regular and irregular grids.•High-performance computing implementation of the processing methods and performance analysis.