Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A prototype table-top inverse-geometry volumetric CT system.

Taly Gilat Schmidt1, Josh Star-Lack, N Robert Bennett

  • 1Department of Radiology, Stanford University, Stanford, California 94305, USA. taly.gilat-schmidt@marquette.edu

Medical Physics
|July 29, 2006
PubMed
Summary

A new table-top inverse-geometry CT (IGCT) scanner images a 5-cm volume in one scan without cone-beam artifacts. This volumetric CT system achieves 0.25-mm isotropic resolution, outperforming micro CT for complex objects.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A Position Statement on Endovascular Models and Effectiveness Metrics for Mechanical Thrombectomy Navigation, on Behalf of the Stakeholder Taskforce for Artificial Intelligence-Assisted Robotic Thrombectomy (START).

Journal of the American Heart Association·2026
Same author

OpenDosimeter: Open hardware personal X-ray dosimeter.

Communications engineering·2025
Same author

A virtual trial evaluation of patient motion in arc and linear system designs in body digital tomosynthesis.

Biomedical physics & engineering express·2025
Same author

Analytical model for pulse pileup spectra and count statistics in photon counting detectors with seminonparalyzable behavior.

Medical physics·2025
Same author

Real-World and Clinical Trial Validation of a Deep Learning Radiomic Biomarker for PD-(L)1 Immune Checkpoint Inhibitor Response in Advanced Non-Small Cell Lung Cancer.

JCO clinical cancer informatics·2024
Same author

CT-augmented digital tomosynthesis image reconstruction in image-guided bronchoscopy interventions.

Medical physics·2024

Area of Science:

  • Medical Imaging
  • Computed Tomography

Background:

  • Cone-beam artifacts limit volumetric CT imaging quality.
  • Traditional CT geometries struggle with artifact-free volumetric data acquisition in a single rotation.

Purpose of the Study:

  • To implement and evaluate a table-top inverse-geometry CT (IGCT) scanner.
  • To assess the IGCT system's performance in terms of resolution, noise, and artifact reduction.

Main Methods:

  • Developed a prototype IGCT scanner using a scanned x-ray source and a smaller detector array.
  • Performed scans on a Defrise phantom and inner ear specimens.
  • Compared IGCT performance against a micro CT system and clinical CT.

Main Results:

  • Achieved 0.25-mm isotropic resolution with noise comparable to clinical scanners.

Related Experiment Videos

  • IGCT system faithfully reconstructed phantom details without cone-beam artifacts.
  • Inner ear imaging revealed superior high-resolution details compared to clinical CT.

    • Conclusions:

    • The implemented table-top IGCT system successfully performs single-rotation volumetric scanning.
    • The IGCT geometry effectively eliminates cone-beam artifacts, enabling high-quality volumetric imaging.
    • This technology shows promise for advanced medical imaging applications.