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- W2360413221 abstract "A method was presented for accurate registration between patient coordinate system and CT image coordinate system in CT image guided spine surgery.In a clinical environment without laser localizer,first a corresponding point-pairs landmark registration was used as an initial stable solution from the three point-pairs chosen from the CT image and their corresponding vertebra.Then the threshold method was used to extract the surface point of vertebra.Finally the registration was refined from coarse to fine level with more points chosen from outer surface of vertebra based on iterative closest point principle.A collinear test was used to reduce initial registration error due to initial mischosen points.A distance map was introduced to speed up the registration.An experiment shows that the registration can be implemented accurately,conveniently and quickly in a cost-effective way." @default.
- W2360413221 created "2016-06-24" @default.
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- W2360413221 date "2007-01-01" @default.
- W2360413221 modified "2023-09-26" @default.
- W2360413221 title "Registration for CT image guided spine surgery" @default.
- W2360413221 hasPublicationYear "2007" @default.
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