Search Results for author: Obaidullah Rahman

Found 5 papers, 0 papers with code

Deep learning based workflow for accelerated industrial X-ray Computed Tomography

no code implementations24 Sep 2023 Obaidullah Rahman, Singanallur V. Venkatakrishnan, Luke Scime, Paul Brackman, Curtis Frederick, Ryan Dehoff, Vincent Paquit, Amirkoushyar Ziabari

Furthermore, traditional workflows based on using analytic reconstruction algorithms require a large number of projections for accurate characterization - leading to longer measurement times and hindering the adoption of XCT for in-line inspections.

3D Reconstruction

Design of Novel Loss Functions for Deep Learning in X-ray CT

no code implementations23 Sep 2023 Obaidullah Rahman, Ken D. Sauer, Madhuri Nagare, Charles A. Bouman, Roman Melnyk, Jie Tang, Brian Nett

Particularly in a field such as X-ray CT, where radiologists' subjective preferences in image characteristics are key to acceptance, it may be desirable to penalize differences in DL more creatively.

Computed Tomography (CT)

Statistically Adaptive Filtering for Low Signal Correction in X-ray Computed Tomography

no code implementations23 Sep 2023 Obaidullah Rahman, Ken D. Sauer, Charles A. Bouman, Roman Melnyk, Brian Nett

But low dose comes with a cost of low signal artifacts such as streaks and low frequency bias in the reconstruction.

Direct Iterative Reconstruction of Multiple Basis Material Images in Photon-counting Spectral CT

no code implementations23 Sep 2023 Obaidullah Rahman, Ken Sauer, Connor Evans, Ryan Roeder

This work is meant to lay the foundation for further work with phantoms including spatially coincident mixtures of contrast materials and/or contrast agents in widely varying concentrations, molecular imaging from animal scans, and eventually clinical applications.

Unity

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