Search Results for author: Luke Lozenski

Found 4 papers, 0 papers with code

ProxNF: Neural Field Proximal Training for High-Resolution 4D Dynamic Image Reconstruction

no code implementations6 Mar 2024 Luke Lozenski, Refik Mert Cam, Mark A. Anastasio, Umberto Villa

Neural fields can address the twin challenges of data incompleteness and computational burden by exploiting underlying redundancies in these spatiotemporal objects.

Image Reconstruction

Technical Note: An Efficient Implementation of the Spherical Radon Transform with Cylindrical Apertures

no code implementations23 Feb 2024 Luke Lozenski, Refik Mert Cam, Mark A. Anastasio, Umberto Villa

The spherical Radon transform (SRT) is an integral transform that maps a function to its integrals over concentric spherical shells centered at specified sensor locations.

Image Reconstruction

A Memory-Efficient Dynamic Image Reconstruction Method using Neural Fields

no code implementations11 May 2022 Luke Lozenski, Mark A. Anastasio, Umberto Villa

Computational and memory requirements are particularly burdensome for three-dimensional dynamic imaging applications requiring high resolution in both space and time.

Image Reconstruction Object

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