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J. O’Sullivan

17 papers hereh-index 355.8k citations269 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author7
  • last author10

Across the 17 of 17 papers where every author was matched, so the position is known.

fields
  • cs.IT4
  • eess.IV3
  • cs.CV2
  • eess.SP2
  • math.NA2
  • math.OC1
same name
  • J. O’Sullivan — 2 papers, h 3
  • J. O’Sullivan — 1 paper, h 11

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20052022
most citedA dedicated high resolution PET imager for plant sciences

48 citations · 80 across the 16 of their papers we have counts for

collaborators
Showing 2019Show all

2 papers · 1 filter

eess.SP2019

Proximal Newton Methods for X-Ray Imaging with Non-Smooth Regularization

Tao Ge, Umberto Villa, Ulugbek S. Kamilov +1

Non-smooth regularization is widely used in image reconstruction to eliminate the noise while preserving subtle image structures. In this work, we investigate the use of proximal N…

eess.SP2019★ 7 cited

The Broken Ray Transform: Additional Properties and New Inversion Formula

Michael R. Walker, Joseph A. O'Sullivan

The significance of the broken ray transform (BRT) is due to its occurrence in a number of modalities spanning optical, x-ray, and nuclear imaging. When data are indexed by the sca…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.