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 Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

364
Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
364

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Minimal Invasive Navigation-Assisted Removal of Penetrating Metallic Foreign Bodies in the Craniomaxillofacial Region: A Case Report.

Case reports in dentistry·2026
Same author

Phage-Encoded Lysis Proteins (Holins and Spanins): Mechanisms and Emerging Applications.

PHAGE (New Rochelle, N.Y.)·2026
Same author

Restoring the Cardiopulmonary Unit: A Coupling-Centric Review of Pharmacotherapy in Pulmonary Vascular Disease.

Comprehensive Physiology·2026
Same author

The Impact of COVID-19 on Obstructive Pulmonary Diseases: A Narrative Review of Long-Term Consequences and Vaccination Strategies.

Health science reports·2026
Same author

Talc pleurodesis versus indwelling pleural catheter for refractory pleural effusion: a prospective study of survival and complications.

European journal of medical research·2026
Same author

Indwelling pleural catheter efficacy and safety in malignant vs. non-malignant pleural effusions: a prospective study.

BMC pulmonary medicine·2026

Related Experiment Video

Updated: Nov 30, 2025

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:22

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

817

Bronchoscope motion tracking using centerline-guided Gaussian mixture model in navigated bronchoscopy.

Saeedeh Navaei Lavasani1,2, Parastoo Farnia2,3, Ebrahim Najafzadeh2,3

  • 1Biomedical Engineering and Medical Physics Department, School of Medicine, Shahid Beheshti University of Medical Sciences (SBMU), Tehran, Iran.

Physics in Medicine and Biology
|November 12, 2020
PubMed
Summary

This study introduces a new centerline-guided Gaussian mixture model (CG-GMM) for real-time bronchoscope localization during navigation bronchoscopy. The method significantly reduces positional tracking errors caused by respiratory motion, improving diagnostic accuracy.

More Related Videos

Author Spotlight: Learning Systematic Bronchoscopy in a Simulation-Base Setting
04:47

Author Spotlight: Learning Systematic Bronchoscopy in a Simulation-Base Setting

Published on: June 23, 2023

3.2K
Dynamic Lung Tumor Tracking for Stereotactic Ablative Body Radiation Therapy
08:17

Dynamic Lung Tumor Tracking for Stereotactic Ablative Body Radiation Therapy

Published on: June 7, 2015

16.0K

Related Experiment Videos

Last Updated: Nov 30, 2025

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:22

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

817
Author Spotlight: Learning Systematic Bronchoscopy in a Simulation-Base Setting
04:47

Author Spotlight: Learning Systematic Bronchoscopy in a Simulation-Base Setting

Published on: June 23, 2023

3.2K
Dynamic Lung Tumor Tracking for Stereotactic Ablative Body Radiation Therapy
08:17

Dynamic Lung Tumor Tracking for Stereotactic Ablative Body Radiation Therapy

Published on: June 7, 2015

16.0K

Area of Science:

  • Medical Imaging
  • Robotics
  • Pulmonology

Background:

  • Accurate bronchoscope localization is crucial for navigation bronchoscopy.
  • Respiratory motion and airway deformation challenge intraoperative localization accuracy.

Purpose of the Study:

  • To develop a real-time, automatic registration procedure for bronchoscope localization.
  • To improve the accuracy of intraoperative bronchoscopic localization using a novel centerline-guided approach.

Main Methods:

  • A centerline-guided Gaussian mixture model (CG-GMM) was developed for bronchoscope registration.
  • The GMM was fitted to bronchoscope positions using orientation likelihood for structure preservation.
  • The expectation maximization framework was used for iterative estimation of feature correspondence and spatial transformation.

Main Results:

  • On a dynamic phantom, the CG-GMM achieved an average positional tracking error of 1.98 ± 0.98 mm, outperforming EMT, ICP, and CPD methods.
  • In human subjects, the average error was 4.73 ± 4.76 mm, with a 31.4% improvement in tracked frames compared to ICP and CPD.
  • The method demonstrated effective real-time respiratory motion compensation.

Conclusions:

  • The proposed CG-GMM offers a novel and reliable method for real-time respiratory motion compensation in bronchoscopy.
  • This approach can enhance guidance during bronchoscopic interventions, potentially increasing the diagnostic yield of transbronchial biopsies.