5 citations · 6 across the 3 of their papers we have counts for
3 papers
math.NA2021★ 1 cited
Hessian Initialization Strategies for L-BFGS Solving Non-linear Inverse Problems
Hari Om Aggrawal, Jan Modersitzki
L-BFGS is the state-of-the-art optimization method for many large scale inverse problems. It has a small memory footprint and achieves superlinear convergence. The method approxima…
eess.SP2020
Accelerating the Registration of Image Sequences by Spatio-temporal Multilevel Strategies
Hari Om Aggrawal, Jan Modersitzki
Multilevel strategies are an integral part of many image registration algorithms. These strategies are very well-known for avoiding undesirable local minima, providing an outstandi…
eess.IV2019★ 5 cited
Variational Registration of Multiple Images with the SVD based SqN Distance Measure
Kai Brehmer, Hari Om Aggrawal, Stefan Heldmann +1
Image registration, especially the quantification of image similarity, is an important task in image processing. Various approaches for the comparison of two images are discussed i…