title: Hole filling with oriented sticks in ultrasound volume reconstruction.
abstract: Volumes reconstructed from tracked planar ultrasound images often contain regions where no information was recorded. Existing interpolation methods introduce image artifacts and tend to be slow in filling large missing regions. Our goal was to develop a computationally efficient method that fills missing regions while adequately preserving image features. We use directional sticks to interpolate between pairs of known opposing voxels in nearby images. We tested our method on 30 volumetric ultrasound scans acquired from human subjects, and compared its performance to that of other published hole-filling methods. Reconstruction accuracy, fidelity, and time were improved compared with other methods.
authors.affiliation: Queen's University , School of Computing, Laboratory for Percutaneous Surgery, Kingston, Ontario K7L 2N8, Canada.
authors.forename: Thomas
authors.initials: T
authors.lastname: Vaughan
authors.affiliation: Queen's University , School of Computing, Laboratory for Percutaneous Surgery, Kingston, Ontario K7L 2N8, Canada.
authors.forename: Andras
authors.initials: A
authors.lastname: Lasso
authors.affiliation: Queen's University , School of Computing, Laboratory for Percutaneous Surgery, Kingston, Ontario K7L 2N8, Canada.
authors.forename: Tamas
authors.initials: T
authors.lastname: Ungi
authors.affiliation: Queen's University , School of Computing, Laboratory for Percutaneous Surgery, Kingston, Ontario K7L 2N8, Canada.
authors.forename: Gabor
authors.initials: G
authors.lastname: Fichtinger
keywords: interpolation; reconstruction; ultrasound; volume
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