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

Half-scan cone-beam x-ray microtomography formula

G Wang1, Y Liu, T H Lin

  • 1Division of Radiology Research, Mallinckrodt Institute of Radiology, Washington University School of Medicine, Saint Louis, Missouri 63110.

Scanning
|July 1, 1994
PubMed
Summary
This summary is machine-generated.

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

Interaction in vivo and in vitro of the metastasis-inducing S100 protein, S100A4 (p9Ka) with S100A1.

The Journal of biological chemistry·2001
Same author

Interpolation algorithms for digital mammography systems with multiple detectors.

Academic radiology·2000
Same author

Hyperactive tendon reflexes in spastic multiple sclerosis: measures and mechanisms of action.

Archives of physical medicine and rehabilitation·2000
Same author

Synthesis of unsaturated carboacyclic nucleoside analogues via Mitsunobu reactions.

Nucleosides, nucleotides & nucleic acids·2000
Same author

Synthesis and cytokine modulation properties of pyrrolo[2, 3-d]-4-pyrimidone nucleosides.

Journal of medicinal chemistry·2000
Same author

Reciprocal information flow between prefrontal cortex and ventral tegmental area in an animal model of schizophrenia.

Neuroreport·2000
Same journal

Retracted: Diagnostic Efficacy of CT Radiomic Features in Pulmonary Invasive Mucinous Adenocarcinoma.

Scanning·2023
Same journal

Retracted: 3D Convolutional Neural Network Framework with Deep Learning for Nuclear Medicine.

Scanning·2023
Same journal

Retracted: Observation on the Effect of MRI Image Scanning on Knee Pain in Football Injury.

Scanning·2023
Same journal

Retracted: Optimal Cellular Microscopic Pattern Recognizer- (OCMPR-) Based Wireless Detection Network for Efficiently Leveraging the Parallel Distributed Processing Capabilities.

Scanning·2023
Same journal

Retracted: Changes of Volume Parameters in the Treatment of Graves Ophthalmopathy by Endoscopic Transethmoidal Decompression of the Orbital Inner Wall Combined with Fat Decompression.

Scanning·2023
Same journal

Retracted: Diagnostic Value of Specialist Systems in Sports Knee Injuries.

Scanning·2023
See all related articles

Researchers developed a new half-scan cone-beam reconstruction formula for x-ray microtomography. This method significantly reduces data requirements while improving image resolution, making 3D imaging more efficient.

Area of Science:

  • Medical Imaging
  • X-ray Microscopy
  • Image Reconstruction

Background:

  • X-ray shadow projection microtomography is crucial for 3D imaging.
  • The standard Feldkamp's cone-beam reconstruction formula has limitations.
  • A generalized Feldkamp-type formula allows for flexible scanning loci (planar or helix-like).

Purpose of the Study:

  • To modify the full-scan cone-beam formula for reduced data acquisition.
  • To develop a half-scan formula requiring approximately 180 degrees of projection data.
  • To improve longitudinal/temporal resolution in microtomography.

Main Methods:

  • Developed a generalized Feldkamp-type cone-beam reconstruction formula.
  • Formulated a half-scan derivative-free noncircular fan-beam reconstruction formula.

Related Experiment Videos

  • Derived a half-scan cone-beam reconstruction formula extending the fan-beam approach.

    • Main Results:

    • The half-scan cone-beam formula was successfully derived and tested.
    • Numerical simulations confirmed the efficacy of the half-scan formulae.
    • The half-scan method requires less angular data than the full-scan approach.

    Conclusions:

    • The developed half-scan cone-beam formula reduces data acquisition angular range.
    • This method offers improved longitudinal and temporal resolution compared to full-scan.
    • The new formula enhances the efficiency and applicability of x-ray microtomography.