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

Multiwindow scatter correction techniques in single-photon imaging

D R Haynor1, M S Kaplan, R S Miyaoka

  • 1Department of Radiology, University of Washington, Seattle 98195, USA.

Medical Physics
|December 1, 1995
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

Osteoporosis identification among previously undiagnosed individuals with vertebral fractures.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·2022
Same author

Ambient temperature and solar insolation are associated with decreased prevalence of SSRI-treated psychiatric disorders.

Journal of psychiatric research·2018
Same author

Evaluation of event position reconstruction in monolithic crystals that are optically coupled.

Physics in medicine and biology·2016
Same author

Effect of intra-arterial papaverine on cerebral blood flow in vasospasm after subarachnoid hemorrhage: A study using single-photon emission computed tomography.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·2015
Same author

Multiplexing strategies for monolithic crystal PET detector modules.

Physics in medicine and biology·2014
Same author

Economic contraction, alcohol intoxication and suicide: analysis of the National Violent Death Reporting System.

Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention·2014
Same journal

Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

Medical physics·2026
Same journal

Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

Medical physics·2026
Same journal

Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

Medical physics·2026
Same journal

Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

Medical physics·2026
Same journal

Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

Medical physics·2026
Same journal

Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

Medical physics·2026
See all related articles

Linear scatter correction methods for Tc-99m and Tl-201 single-photon imaging show near-optimal performance at low counts. However, bias limits accuracy, with Tl-201 showing a larger gap than Tc-99m compared to Poisson noise limits.

Area of Science:

  • Nuclear medicine
  • Medical imaging physics

Background:

  • Scatter correction is crucial for accurate single-photon emission imaging.
  • Linear methods are commonly used but have limitations.

Purpose of the Study:

  • To evaluate linear scatter correction methods for Tc-99m and Tl-201 imaging.
  • To compare different linear methods and assess performance limits due to Poisson noise.

Main Methods:

  • Utilized a numerical Rollo phantom model and list-mode gamma camera measurements.
  • Compared dual-window, adaptive, and per-image optimized linear methods.
  • Estimated accuracy limits imposed by Poisson noise.

Main Results:

  • Dual-window and adaptive methods performed near optimal for linear techniques at fixed depths and low count rates.

Related Experiment Videos

  • Smoothing provided minor improvement for Tl-201 scatter estimates.
  • Significant gaps persist between linear methods and Poisson noise limits, primarily due to bias.

    • Conclusions:

    • Current linear scatter correction methods approach theoretical limits for linear approaches under specific conditions.
    • Bias remains a primary factor limiting accuracy, especially for Tl-201 imaging.
    • Further research into non-linear or bias-reducing methods may be warranted.