activity
20152023
most citedSpectral unmixing of Multispectral Lidar signals

25 citations · 25 across the 7 of their papers we have counts for

collaborators

11 papers

math.OC2023

Improved Convergence Bounds For Operator Splitting Algorithms With Rare Extreme Errors

Anis Hamadouche, Andrew M. Wallace, Joao F. C. Mota

In this paper, we improve upon our previous work[24,22] and establish convergence bounds on the objective function values of approximate proximal-gradient descent (AxPGD), approxim…

math.OC2023

A Low-Power Hardware-Friendly Optimisation Algorithm With Absolute Numerical Stability and Convergence Guarantees

Anis Hamadouche, Yun Wu, Andrew M. Wallace +1

We propose Dual-Feedback Generalized Proximal Gradient Descent (DFGPGD) as a new, hardware-friendly, operator splitting algorithm. We then establish convergence guarantees under ap…

math.OC2022

Probabilistic Verification of Approximate Algorithms with Unstructured Errors: Application to Fully Inexact Generalized ADMM

Anis Hamadouche, Yun Wu, Andrew M. Wallace +1

We analyse the convergence of an approximate, fully inexact, ADMM algorithm under additive, deterministic and probabilistic error models. We consider the generalized ADMM scheme th…

math.OC2022

Sharper Bounds for Proximal Gradient Algorithms with Errors

Anis Hamadouche, Yun Wu, Andrew M. Wallace +1

We analyse the convergence of the proximal gradient algorithm for convex composite problems in the presence of gradient and proximal computational inaccuracies. We derive new tight…

eess.IV2019

Image-Guided Depth Upsampling via Hessian and TV Priors

Alireza Ahrabian, Joao F. C. Mota, Andrew M. Wallace

We propose a method that combines sparse depth (LiDAR) measurements with an intensity image and to produce a dense high-resolution depth image. As there are few, but accurate, dept…

cs.CV2017

Development of a N-type GM-PHD Filter for Multiple Target, Multiple Type Visual Tracking

Nathanael L. Baisa, Andrew Wallace

We propose a new framework that extends the standard Probability Hypothesis Density (PHD) filter for multiple targets having different types based on Random Finite Set the…