Computer Assisted Surgeryand
Medical Image Analysis
Computer Vision GroupArtificial Intelligence Laboratory
Massachusetts Institute of TechnologySurgical Planning Lab
Brigham and Women’s HospitalHarvard Medical School
Computer assisted surgery
• Goal:– Use computer vision techniques to plan and guide
surgical interventions, by giving the surgeon the ability to sense critical information that is not normally visible to her
• How?– Capture models of patient anatomy and function– Use to guide surgeon’s actions
Conventional Surgery: See the surface
Provided by Nakajima, Atsumi et al.
Image Guided Surgery: See under the surface
Provided by Leventon et al.
Intelligently aiding the surgeon
• Convert medical images into models of patient’s:– Structural anatomy– Functional anatomy
aorta
brachio cephalic
trunc
subclavian artery
common carotidartery
brachio cephalic trunc
pulmonary trunkpulmonary
veins
Central Vessels
Courtesy of Lorigo
Cartilage Thickness Mapping
Courtesy Warfield, Winalski
Functional information
Visualizing the surgical site
• Augmented reality visualizations
• Surgical guidance
• Simulation of surgical navigation
Visualizing the surgical site
• Augmented reality visualizations
• Surgical guidance
• Simulation of surgical navigation
Surgical navigation
Visualizing the surgical site
• Augmented reality visualizations
• Surgical guidance
• Simulation of surgical navigation
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