Surface extraction with a three-dimensional freehand ultrasound system.

  title={Surface extraction with a three-dimensional freehand ultrasound system.},
  author={Wayne Y Zhang and Robert Nicholas Rohling and Dinesh K. Pai},
  journal={Ultrasound in medicine & biology},
  volume={30 11},
This paper presents a system for acquiring three-dimensional ultrasound data and extracting surfaces of the examined structures. The acquisition is performed freehand with a PC-based two dimensional ultrasound machine and an optical tracker. The extraction of surfaces from ultrasound data are normally inhibited by speckle, shadowing and gaps in the acquired data. A new method is developed that extracts a surface directly from the irregularly spaced, noisy freehand ultrasound data. The freehand… CONTINUE READING

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