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

Accessory Structures of the Eye01:17

Accessory Structures of the Eye

4.2K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
4.2K

You might also read

Related Articles

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

Sort by
Same author

Regulatory crosstalk between KLF5, miR-29a and Fbw7/CDC4 cooperatively promotes atherosclerotic development.

Biochimica et biophysica acta. Molecular basis of disease·2017
Same author

Near-Infrared Light Triggered Upconversion Optogenetic Nanosystem for Cancer Therapy.

ACS nano·2017
Same author

Non-contact method to freely control the radiation patterns of antenna with multi-folded transformation optics.

Scientific reports·2017
Same author

Cost Effectiveness of Imatinib, Dasatinib, and Nilotinib as First-Line Treatment for Chronic-Phase Chronic Myeloid Leukemia in China.

Clinical drug investigation·2017
Same author

Improving Performance of Breast Cancer Risk Prediction by Incorporating Optical Density Image Feature Analysis: An Assessment.

Academic radiology·2017
Same author

Preliminary study on ultrasound-guided prostate biopsy specimen scores.

Experimental and therapeutic medicine·2017

Related Experiment Video

Updated: Apr 26, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
07:30

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

Published on: March 21, 2019

7.4K

Video processing to locate the tooltip position in surgical eye-hand coordination tasks.

Xianta Jiang1, Bin Zheng2, M Stella Atkins3

  • 1Zhejiang University, Hangzhou, Zhejiang, China Simon Fraser University, Burnaby, British Columbia, Canada.

Surgical Innovation
|July 23, 2014
PubMed
Summary

This study introduces a new method to track surgical instrument movements using video analysis. This approach accurately captures instrument trajectories from laparoscopic surgery videos, enhancing surgeon performance assessment without compromising patient safety.

Keywords:
laparoscopymotion detectionsurgery simulationtool trackingvideo processing

More Related Videos

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

1.0K
Eye Tracking During A Complex Aviation Task For Insights Into Information Processing
07:48

Eye Tracking During A Complex Aviation Task For Insights Into Information Processing

Published on: April 4, 2025

1.5K

Related Experiment Videos

Last Updated: Apr 26, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
07:30

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

Published on: March 21, 2019

7.4K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

1.0K
Eye Tracking During A Complex Aviation Task For Insights Into Information Processing
07:48

Eye Tracking During A Complex Aviation Task For Insights Into Information Processing

Published on: April 4, 2025

1.5K

Area of Science:

  • Medical simulation
  • Surgical robotics
  • Computer-assisted surgery

Background:

  • Surgical instrument trajectories in laparoscopic surgery offer valuable insights into surgeon performance.
  • Traditional motion sensor methods for tracking instruments are not feasible in operating rooms due to safety concerns.

Purpose of the Study:

  • To develop and validate a novel approach for acquiring surgical instrument trajectories directly from surgical videos.
  • To enable objective assessment of psychomotor skills in real surgical environments.

Main Methods:

  • A total of 12 simulated laparoscopic surgery videos were analyzed.
  • An algorithm was developed to automatically identify the grasper tip in each video frame.
  • The algorithm computed the 3D trajectories of the laparoscopic grasper's movement.

Main Results:

  • The developed algorithm successfully extracted instrument trajectories from all 12 videos.
  • Validation against manual labeling showed a high accuracy rate of 98.4% for tooltip location.
  • This demonstrates the reliability of video-based trajectory analysis.

Conclusions:

  • Tracking instrument movement via surgical videos provides an effective method for obtaining trajectory data.
  • This technology lays the groundwork for evaluating surgeons' psychomotor performance in the operating room safely.
  • Future applications include real-time feedback and skill development in surgical training.