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Vessels and Blood Flow from Ultrasound

Vessels and Blood Flow from Ultrasound. Åsmund Birkeland. Vessel Extraction from Ultrasound. Ultrasound Painting of Vascular Tree [VMV2010] Quickly extract 3D models live during examination Minimize interaction Using basic 2D B-mode ultrasound + tracking. Vessel Extraction from Ultrasound.

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Vessels and Blood Flow from Ultrasound

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  1. Vessels and Blood Flow from Ultrasound Åsmund Birkeland

  2. Vessel Extraction from Ultrasound • Ultrasound Painting of Vascular Tree [VMV2010] • Quickly extract 3D models live during examination • Minimize interaction • Using basic 2D B-mode ultrasound + tracking

  3. Vessel Extraction from Ultrasound

  4. Challenges • Holes in the surface • Surface artifacts • Tracking calibration • Motion compensation

  5. New Directions

  6. New Vessel Geometry • Implicit surfaces from points and tangents • Smooth • Hole-free • Cooperation with IMPA, Brazil [Ives Macedo 2011]

  7. New Data • New 4D ultrasound streaming (Dag Magne Ulvang) • Volume registration (Ola Kristoffer Øye)

  8. Live 3D Blood Flow • Input: 3D vascular structure and Doppler data • Illustrative depiction of 3D flow on vessel geometry • Environments • Flow phantom • Carotid artery • Hepatic/portal vascular tree

  9. Live 3D Blood Flow

  10. Questions?

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