3D Ultrasound Reconstruction
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Transcript of 3D Ultrasound Reconstruction
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Outline
• Background
• Project Overview
• Previous Work
• Project Methods
• Budget and Expenses• Forward Movement
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Background
• Use 2D images produced by ultrasound
technology to reconstruct a static 3D
image
• Non-Invasive
• Low Cost (Approximately $1000)
• Freely Available to physicians
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Client Profile• Joseph McIsaac M.D.
• Chief of Trauma and
Urological Anesthesia-Hartford Hospital,
Hartford CT
• CEO Mount LaurelBiomedical – Avon, CT
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Project Description
• The purpose of this project is
to produce a real-time 3D
image of the brachial plexususing existing ultrasound
technology.
•Presently a SonositeMicroMaxx SLA ultrasound
probe is used clinically
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Previous Work
• In 1997 BrainLAB
received clearance
to market
VectorVision andCurrently costs
>$150k
• Two Avon High
School robotics teammembers prepared
portions of LabView
Program
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“The Tracking Pyramid”
• Orientation of three
spheres accurately
tracks the 3D
location of the
ultrasound probe
versus time
• Construct small
enough to fit onprobe but big
enough for Vision
Assistant
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3D Reconstruction from DICOM
LabVIEW Biomedical Source Code 3.0or Isosurf to render 3D image from 2D
DICOM images
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Cameras and Configuration
• Two Logitech
Webcam Pro 9000
with optical axes
identical and parallelto the ground
•80-20 T-slotted Aluminum Bar
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Configuration Contd.
• Camera support
constructed from
80/20 Inc.Aluminum
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Budget and Expenses
• $1,000 provided by University of
Connecticut School of
Engineering
• Spent $120 on two cameras
• Spent $320 on aluminum
framing
• Expected future costs for
tracking pyramid are minimal
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Forward Movement
• Build tracking device to place on probe (begin
with model)
• Complete LabVIEW program to efficiently
calculated probe position• Test program with input values, then incorporate
camera recognition
•
Include calibration in program to ease future use• Complete LabVIEW program for image
reconstruction, initially with still image then in
real time
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Questions ??