• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

SAGES

Reimagining surgical care for a healthier world

  • Home
    • COVID-19 Annoucements
    • Search
    • SAGES Home
    • SAGES Foundation Home
  • About
    • Who is SAGES?
    • SAGES Mission Statement
    • Advocacy
    • Strategic Plan, 2020-2023
    • Committees
      • Request to Join a SAGES Committee
      • SAGES Board of Governors
      • Officers and Representatives of the Society
      • Committee Chairs and Co-Chairs
      • Full Committee Rosters
      • SAGES Past Presidents
    • Donate to the SAGES Foundation
    • Awards
      • George Berci Award
      • Pioneer in Surgical Endoscopy
      • Excellence In Clinical Care
      • International Ambassador
      • IRCAD Visiting Fellowship
      • Social Justice and Health Equity
      • Excellence in Community Surgery
      • Distinguished Service
      • Early Career Researcher
      • Researcher in Training
      • Jeff Ponsky Master Educator
      • Excellence in Medical Leadership
      • Barbara Berci Memorial Award
      • Brandeis Scholarship
      • Advocacy Summit
      • RAFT Annual Meeting Abstract Contest and Awards
  • Meetings
    • NBT Innovation Weekend
    • SAGES Annual Meeting
      • 2023 Scientific Session Call For Abstracts
      • 2023 Emerging Technology Call For Abstracts
    • CME Claim Form
    • Industry
      • Advertising Opportunities
      • Exhibit Opportunities
      • Sponsorship Opportunities
    • Future Meetings
    • Past Meetings
      • SAGES 2022
      • SAGES 2021
    • Related Meetings Calendar
  • Join SAGES!
    • Membership Benefits
    • Membership Applications
      • Active Membership
      • Affiliate Membership
      • Associate Active Membership
      • Candidate Membership
      • International Membership
      • Medical Student Membership
    • Member News
      • Member Spotlight
      • Give the Gift of SAGES Membership
  • Patients
    • Healthy Sooner – Patient Information for Minimally Invasive Surgery
    • Patient Information Brochures
    • Choosing Wisely – An Initiative of the ABIM Foundation
    • All in the Recovery: Colorectal Cancer Alliance
    • Find a SAGES Member
  • Publications
    • SAGES Stories Podcast
    • SAGES Clinical / Practice / Training Guidelines, Statements, and Standards of Practice
    • Patient Information Brochures
    • TAVAC – Technology and Value Assessments
    • Surgical Endoscopy and Other Journal Information
    • SAGES Manuals
    • SCOPE – The SAGES Newsletter
    • COVID-19 Annoucements
    • Troubleshooting Guides
  • Education
    • OpiVoid.org
    • SAGES.TV Video Library
    • Safe Cholecystectomy Program
      • Safe Cholecystectomy Didactic Modules
    • Masters Program
      • SAGES Facebook Program Collaboratives
      • Acute Care Surgery
      • Bariatric
      • Biliary
      • Colorectal
      • Flexible Endoscopy (upper or lower)
      • Foregut
      • Hernia
      • Robotics
    • Educational Opportunities
    • HPB/Solid Organ Program
    • Courses for Residents
      • Advanced Courses
      • Basic Courses
    • Video Based Assessments (VBA)
    • Robotics Fellows Course
    • MIS Fellows Course
    • Facebook Livestreams
    • Free Webinars For Residents
    • SMART Enhanced Recovery Program
    • SAGES OR SAFETY Video
    • SAGES at Cine-Med
      • SAGES Top 21 MIS Procedures
      • SAGES Pearls
      • SAGES Flexible Endoscopy 101
      • SAGES Tips & Tricks of the Top 21
  • Opportunities
    • NEW-Area of Concentrated Training Seal (ACT)-Advanced Flexible Endoscopy-Coming Soon!
    • SAGES Fellowship Certification for Advanced GI MIS and Comprehensive Flexible Endoscopy
    • Multi-Society Foregut Fellowship Certification
    • SAGES Research Opportunities
    • Fundamentals of Laparoscopic Surgery
    • Fundamentals of Endoscopic Surgery
    • Fundamental Use of Surgical Energy
    • Job Board
    • SAGES Go Global: Global Affairs and Humanitarian Efforts
  • Search
    • Search All SAGES Content
    • Search SAGES Guidelines
    • Search the Video Library
    • Search the Image Library
    • Search the Abstracts Archive
  • Store
    • “Unofficial” Logo Products
  • Log In

A method to combine fluorescence image with endoscopic image for undersurface vascular visualization

Shih-Wei Huang, MD1, Atul Kumar2, Hon-Phin Wong, MD1, Hurng-Sheng Wu1, Yen-Yu Wang2, Kai-Che Liu2, Lih-Shun Chen2, Yi-Chun Lee2, Wan-Chi Hung2. 1Show Chwan Memorial Hospital, Changhua, 2Chang Bing Show Chwan Memorial Hospital, Changhua

1. Objective: Identification of undersurface major arteries and veins is a challenge during endoscopic surgery, which is needed to avoid inadvertent injuries. Indocyanine green (ICG) fluorescence has been found to be promising in visualizing the undersurface blood vessels during laparoscopic surgery. However, the fluorescence of the vasculature disappears within few minutes.If a longer visualization of vessels is required, the ICG is injected repeatedly. A system is needed which can preserve the fluorescence information of the vasculature and provide it whenever required during the surgery.This study aims to develop a system that would superimpose the relevant information of fluorescence image from a previous scene on the white light image of the current scene that would be useful for locating relatively static vasculature throughout the surgery.

2 Method
2.1 Video acquisition: Laparoscopic video was acquired with Karl Storz high definition image acquisition system. The vascular area as seen under infra-red camera was simulated by a blue colored drawing of vessels.

2.2 Navigation system

The navigation system consists of a tracking system and a visualization software. An NDI Polaris tracking system was used for this study. The software used the Visualization toolkit and Insight toolkit C++ libraries.

2.3 Segmentation of the vasculature

The region of interest in the registered fluorescence (simulated)  image was segmented using a threshold technique in its blue channel in the RGB color space.A Canny edge detector was applied to calculate the edge of the image.

2.4 Superimposition of the images

The software connected the endoscope camera to the NDI tracking system. An NDI tracking tool was mounted on the camera. The video frame and the respective pose of the camera was recorded. The endoscope image (TargetImage) corresponding to the segmented fluorescence image was stored and visualized as a target image plane with the segmented region of interest. The current frame of the video (CurrentImage) was visualized in the same navigation display. The user moved the camera to match the current image plane (CurrentImage) with the TargetImage when the alignement was needed.

3 Preliminary results

A C ++ based software for the system was being developed in a computer with Intel R CoreTM i7 960@3.20GHz, 6.00RAM 64 bit Windows 7 and graphics card of NVidia TESLA C2075. The software uses the libraries of VTK, OpenCV and ITK. The superimposed view of the white light image and the edge image from the fluorescence (simulated) image  is shown in Figure 2 and 3.

4 Conclusions/future works

This work develops a system which can store the information of the highlighted area in a fluorescence (simulated) image and superimpose the relevant information on a white light whenever needed. In future, the system would be applied on real surgery and the tracking matching would be replaced by a robot arm.

ICG fluorescence image

Figure 1. A typical ICG fluorescence image

Edge image and the current image when they are not aligned

Figure 2: Edge image and current frame not aligned ( The blue region simulates the ICG fluorescence).

 

Figure 3: Edge image and current frame aligned ( The blue region simulates the ICG fluorescence).


Presented at the SAGES 2017 Annual Meeting in Houston, TX.

Abstract ID: 91083

Program Number: ETP890

Presentation Session: Emerging Technology iPoster Session (Non CME)

Presentation Type: Poster

36

Share this:

  • Twitter
  • Facebook
  • LinkedIn
  • Pinterest
  • WhatsApp
  • Reddit

Related

« Return to SAGES 2018 abstract archive

Our Mission

Innovate, educate and collaborate to improve patient care.

Recently, on SAGES…

Critical View of Safety (CVS) Challenge QR Code

The SAGES Critical View of Safety Challenge – Donate Your Lap Chole Videos!

The Society of American Gastrointestinal and Endoscopic Surgeons is hosting the first Artificial Intelligence Data Challenge conducted by surgeons. The aim of this challenge is to generate a large and diverse dataset of laparoscopic cholecystectomy videos, annotated with respect to the subcomponents of the Critical View of Safety (CVS). Computer scientists from all over the […]

Respuesta de SAGES al Estudio NordICC sobre el beneficio de las colonoscopias de detección

SAGES desea aclarar los resultados del estudio NordICC y colocarlos en contexto de los esfuerzos de varias agencias nacionales para reducir el riesgo de cáncer colorrectal – la segunda causa de muerte por cáncer más frecuente en los Estados Unidos-, mediante la promoción de la detección y tratamiento oportuno de las lesiones.

SAGES Response to NordICC Study Regarding Benefit of Screening Colonoscopies

The NordICC Study recently published in The New England Journal of Medicine and widely reported on by media outlets has raised questions regarding the benefit of screening colonoscopy in lowering the risk of colorectal cancer and cancer-related deaths among otherwise healthy and symptom-free men and women aged 55 to 64. Provocative headlines and commentaries have […]

Contact SAGES

Society of American Gastrointestinal and Endoscopic Surgeons
11300 W. Olympic Blvd Suite 600
Los Angeles, CA 90064 USA
webmaster@sages.org
Tel: (310) 437-0544

Find Us Around the Web!

  • Facebook
  • Twitter
  • YouTube

Important Links

SAGES 2023 Meeting Information

Healthy Sooner: Patient Information

SAGES Guidelines, Statements, & Standards of Practice

SAGES Manuals

 

  • taTME Study Info
  • Foundation
  • SAGES.TV
  • MyCME
  • Educational Activities

Copyright © 2023 Society of American Gastrointestinal and Endoscopic Surgeons