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

Comparative evaluation of image segmentation methods for volume quantitation in SPECT.

D T Long1, M A King, J Sheehan

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

Medical Physics
|March 1, 1992
PubMed
Summary

Evaluating SPECT image segmentation methods for organ and lesion volume measurement is challenging. Three-dimensional edge detection demonstrated the most accurate and consistent volume estimations with minimal operator input.

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

Co-designing the INHSU Prisons Hepatitis C Advocacy Toolkit using the Advocacy Strategy Framework.

The International journal on drug policy·2024
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

Gamma knife capsulotomy for intractable OCD: Neuroimage analysis of lesion size, location, and clinical response.

Translational psychiatry·2023
Same author

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

Journal of sports sciences·2023

Area of Science:

  • Nuclear Medicine
  • Medical Imaging Analysis
  • Image Segmentation

Background:

  • Accurate volume quantification of organs and lesions in Single Photon Emission Computed Tomography (SPECT) images is crucial for clinical assessment.
  • Numerous image segmentation techniques exist, but their comparative performance is difficult to evaluate due to variations in imaging systems, object characteristics, and processing methods.

Purpose of the Study:

  • To compare the performance of various image segmentation methods for volume quantitation in simulated SPECT images.
  • To identify the most accurate and operator-independent segmentation technique for SPECT-based volume measurements.

Main Methods:

  • Application of six distinct image segmentation methods to simulated SPECT images with objects of varying volumes (1.8–113.1 cc).
  • Methods included: operator-drawn regions of interest, count-based methods, fixed thresholds, adaptive thresholding (GLH), 2-D edge detection, and 3-D edge detection.

Related Experiment Videos

Main Results:

  • The three-dimensional (3-D) edge detection method required the least operator intervention.
  • 3-D edge detection provided the most accurate and consistent volume estimations across different object sizes and contrasts.

Conclusions:

  • Three-dimensional edge detection is a robust and reliable method for SPECT image segmentation and volume quantitation.
  • This technique offers advantages in accuracy and consistency, reducing reliance on subjective operator input.