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 dual-photopeak window method for scatter correction.

M A King1, G J Hademenos, S J Glick

  • 1Department of Nuclear Medicine, University of Massachusetts Medical School, Worcester 01655.

Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
|April 1, 1992
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

The effect of increased strength on ball release speed and front foot contact-phase technique in elite male cricket fast bowlers.

Journal of sports sciences·2025
Same author

Effects of racket moment of inertia on racket head speed, impact location and shuttlecock speed during the badminton smash.

Scientific reports·2023
Same author

Optimal initial position and technique for the front foot contact phase of cricket fast bowling: Commonalities between individual-specific simulations of elite bowlers.

Journal of biomechanics·2023
Same author

Cricket fast bowling: The relationship between range of motion and key performance and injury technique characteristics.

Journal of sports sciences·2023
Same author

Surface acceleration transmission during drop landings in humans.

Journal of biomechanics·2021
Same author

Migratory earthquake precursors are dominant on an ice stream fault.

Science advances·2021
Same journal

Overall Survival with [<sup>177</sup>Lu]Lu-PSMA-617 Versus [<sup>177</sup>Lu]Lu-PSMA I&T: A Propensity Score-Matched Real-World Analysis.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026
Same journal

Toward a Biopsy-Free Diagnosis of Prostate Cancer: Potential of Combined <sup>18</sup>F-Flotufolastat PSMA PET and mpMRI.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026
Same journal

PSMA PET/CT-Targeted Biopsy in Men with Negative or Equivocal Multiparametric MRI and Exploratory Dynamic Total-Body PET: The FUPERMAN Study.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026
Same journal

Erratum.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026
Same journal

Live from 2026 SNMMI Annual Meeting in Los Angeles!

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026
Same journal

CAR T-Cell Therapy for Cancer: Updates and Challenges for Response Assessment.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026
See all related articles

This study introduces a dual-photopeak window method to correct for scattered photons in medical imaging. This technique significantly improves image contrast and quantitation accuracy in SPECT scans.

Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Image Processing

Background:

  • Scattered photons in medical imaging degrade image contrast and quantitation accuracy.
  • Accurate activity quantitation is crucial for effective diagnosis and treatment monitoring.

Purpose of the Study:

  • To develop and validate a scatter correction method using dual-photopeak window acquisitions.
  • To assess the effectiveness of this method in improving image quality and quantitation in SPECT.

Main Methods:

  • Acquisition of dual-photopeak window data from a 99mTc point source in elliptical attenuators and in air.
  • Determination of a regression relation between the ratio of counts in energy windows and the scatter fraction.
  • Application of the regression model for scatter distribution estimation and correction in SPECT imaging.

Related Experiment Videos

Main Results:

  • Residual scatter fraction was reduced approximately ten-fold.
  • Estimated scatter line spread functions closely matched the tails of total line spread functions.
  • Dual-photopeak window scatter correction significantly increased contrast of "cold" spheres and improved accuracy for "hot" spheres.

Conclusions:

  • The dual-photopeak window method effectively corrects for scatter in SPECT imaging.
  • This technique enhances image contrast, improves activity quantitation accuracy, and restores image resolution.
  • The method offers a significant advancement for quantitative SPECT and other nuclear imaging applications.