AR手術のための直線対応体内レジストレーション(<特集>臨床現場のVR)

DOI HANDLE Web Site 被引用文献4件 参考文献17件 オープンアクセス

書誌事項

タイトル別名
  • Inside-body Registration with Pair-line Matching for AR Surgical Navigation
  • AR シュジュツ ノタメノ チョクセン タイオウ タイナイ レジストレーション
  • AR手術のための直線対応体内レジストレーション

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抄録

3D registration between real and virtual human body is a significant issue in AR surgical navigation. However, the matching of markers on surface of the body has a problem of estimating positions inside the body, because human body is not rigid. This paper proposed inside-body registration, which matched pair-line adjacent to a target tissue. Pair-line matching method, which has a high freedom of measured positions and high robustness of measurement errors, is useful, because the method never requires the correspondence of measured points between real and virtual world. In the experiment using a phantom, great vein was used for pair-line and the position of a vessel bifurcation was estimated. The result of experiments showed high robustness of measurement errors in estimating positions. The result using patient data showed sufficient estimation accuracy with even small distance between two measured points for pair-line.

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