Non-convex prior image constrained compressed sensing (NC-PICCS)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

The purpose of this paper is to present a new image reconstruction algorithm for dynamic data, termed non-convex prior image constrained compressed sensing (NC-PICCS). It generalizes the prior image constrained compressed sensing (PICCS) algorithm with the use of non-convex priors. Here, we concentrate on perfusion studies using computed tomography examples in simulated phantoms (with and without added noise) and in vivo data, to show how the NC-PICCS method holds potential for dramatic reductions in radiation dose for time-resolved CT imaging. We show that NC-PICCS can provide additional undersampling compared to conventional convex compressed sensing and PICCS, as well as, faster convergence under a quasi-Newton numerical solver.

Original languageEnglish (US)
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume7622
EditionPART 2
DOIs
StatePublished - 2010
EventMedical Imaging 2010: Physics of Medical Imaging - San Diego, CA, United States
Duration: Feb 15 2010Feb 18 2010

Other

OtherMedical Imaging 2010: Physics of Medical Imaging
CountryUnited States
CitySan Diego, CA
Period2/15/102/18/10

Fingerprint

Compressed sensing
Computer-Assisted Image Processing
Noise
Perfusion
Tomography
Radiation
image reconstruction
Image reconstruction
newton
Dosimetry
tomography
Imaging techniques
dosage
radiation

Keywords

  • Compressed sensing
  • Computed tomography
  • Low dose CT
  • Noise reduction
  • PICCS
  • Radiation dose reduction

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

Cite this

Ramírez Giraldo, J. C., Trazasko, J. D., Leng, S., McCollough, C. H., & Manduca, A. (2010). Non-convex prior image constrained compressed sensing (NC-PICCS). In Progress in Biomedical Optics and Imaging - Proceedings of SPIE (PART 2 ed., Vol. 7622). [76222C] https://doi.org/10.1117/12.837239

Non-convex prior image constrained compressed sensing (NC-PICCS). / Ramírez Giraldo, Juan Carlos; Trazasko, Joshua D; Leng, Shuai; McCollough, Cynthia H; Manduca, Armando.

Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 7622 PART 2. ed. 2010. 76222C.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ramírez Giraldo, JC, Trazasko, JD, Leng, S, McCollough, CH & Manduca, A 2010, Non-convex prior image constrained compressed sensing (NC-PICCS). in Progress in Biomedical Optics and Imaging - Proceedings of SPIE. PART 2 edn, vol. 7622, 76222C, Medical Imaging 2010: Physics of Medical Imaging, San Diego, CA, United States, 2/15/10. https://doi.org/10.1117/12.837239
Ramírez Giraldo JC, Trazasko JD, Leng S, McCollough CH, Manduca A. Non-convex prior image constrained compressed sensing (NC-PICCS). In Progress in Biomedical Optics and Imaging - Proceedings of SPIE. PART 2 ed. Vol. 7622. 2010. 76222C https://doi.org/10.1117/12.837239
Ramírez Giraldo, Juan Carlos ; Trazasko, Joshua D ; Leng, Shuai ; McCollough, Cynthia H ; Manduca, Armando. / Non-convex prior image constrained compressed sensing (NC-PICCS). Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 7622 PART 2. ed. 2010.
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