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

Object reconstruction from focused positron tomograms.

D Townsend, C Piney, A Jeavons

    Physics in Medicine and Biology
    |March 1, 1978
    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

    Thermal desorption effects on fragment ion production from multi-photon ionized uridine and selected analogues.

    RSC advances·2022
    Same author

    A new technique for probing chirality via photoelectron circular dichroism.

    Analytica chimica acta·2017
    Same author

    Dynamic damage in carbon-fibre composites.

    Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2016
    Same author

    The design and implementation of a study to investigate the effectiveness of community vs hospital eye service follow-up for patients with neovascular age-related macular degeneration with quiescent disease.

    Eye (London, England)·2015
    Same author

    Health professionals' and service users' perspectives of shared care for monitoring wet age-related macular degeneration: a qualitative study alongside the ECHoES trial.

    BMJ open·2015
    Same author

    Clinical experience of scoring criteria for Familial Hypercholesterolaemia (FH) genetic testing in Wales.

    Atherosclerosis·2015
    Same journal

    Deep learning-based dose prediction to enhance planning efficiency in cervical brachytherapy with hybrid applicators.

    Physics in medicine and biology·2026
    Same journal

    Novel TMS coils designed using an inverse boundary element method.

    Physics in medicine and biology·2026
    Same journal

    PAC-Net: patch adaptive cut-off network with differentiable module-wise K-learning for robust and efficient medical image segmentation.

    Physics in medicine and biology·2026
    Same journal

    Four-dimensional on-beam computed tomography reconstruction using projection-difference images.

    Physics in medicine and biology·2026
    Same journal

    Higher-order synergy-based ranking in transcriptomic communities via latent factors and O-information.

    Physics in medicine and biology·2026
    Same journal

    Calculating biological dose distributions in hadrontherapy using GATE: the BioDose actor.

    Physics in medicine and biology·2026
    See all related articles

    A new matrix inversion technique effectively reduces noise amplification in 3D tomographic image reconstruction. This method improves the imaging of complex objects, significantly enhancing background elimination for better spatial resolution.

    Area of Science:

    • Medical Imaging
    • Image Reconstruction
    • Signal Processing

    Background:

    • Fourier transform-based tomographic reconstruction amplifies statistical noise.
    • Noise amplification limits the accuracy of 3D object distribution imaging.
    • Existing methods struggle with effective background elimination.

    Purpose of the Study:

    • To introduce a generalized matrix inversion technique for tomographic image reconstruction.
    • To mitigate noise amplification in frequency components.
    • To improve the imaging of 3D object distributions with enhanced background suppression.

    Main Methods:

    • Utilized a generalized matrix inversion technique.
    • Applied the method to a simulated positron camera system.

    Related Experiment Videos

  • Evaluated the reconstruction of a 3D object distribution.

    • Main Results:

    • Successfully limited noise amplification to a level related to spatial resolution.
    • Demonstrated significant improvement in background elimination.
    • Achieved clearer imaging of the 3D object distribution.

    Conclusions:

    • The generalized matrix inversion technique offers a robust solution to noise amplification in tomographic reconstruction.
    • This method enhances image quality and background suppression in 3D imaging.
    • The technique shows promise for applications like positron emission tomography.