Augmented reality visualization system for intravascular neurosurgery

Yoshitaka Masutani, Takeyoshi Dohi, Fumitaka Yamane, Hiroshi Iseki, Kintomo Takakura

研究成果: Article

40 引用 (Scopus)

抄録

We aimed to construct an augmented reality-based visualization system to support intravascular neurosurgery and evaluate it in clinical environments. Three-dimensional (3D) vascular models are overlaid on motion pictures from X-ray fluoroscopy by 2D/3D registration using fiducial markers. The models are reconstructed from 3D data obtained from X-ray computed tomographic angiography or from magnetic resonance angiography using the marching-cube algorithm. Intraoperative X-ray images are mapped as texture patterns on a screen object which is displayed with the vascular models. Distortion of X- ray fluoroscopy is eliminated by a new technique of screen mesh deformation. A quantity called reprojection distance was introduced to evaluate the reliability of the displayed images. It predicts the maximum registration error around the registered objects. Analyses of reprojection distances were performed using synthetic data consisting of marker coordinates with 2D or 3D errors. The tolerance of reprojection distance for the clinical environment was determined to be 3.0 mm. The system was tested in two clinical cases in which reprojection distances of 2.6 and 2.09 mm were obtained. Construction and evaluation of our prototype system were successfully carried out. Further development is planned employing a range sensor to permit markerless registration.

元の言語English
ページ(範囲)239-247
ページ数9
ジャーナルComputer Aided Surgery
3
発行部数5
DOI
出版物ステータスPublished - 1998
外部発表Yes

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Neurosurgery
Augmented reality
Visualization
X-Rays
X rays
Angiography
Fluoroscopy
Blood Vessels
Fiducial Markers
Motion pictures
Magnetic Resonance Angiography
Magnetic resonance
Motion Pictures
Textures
Sensors

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Surgery
  • Medicine (miscellaneous)

これを引用

Augmented reality visualization system for intravascular neurosurgery. / Masutani, Yoshitaka; Dohi, Takeyoshi; Yamane, Fumitaka; Iseki, Hiroshi; Takakura, Kintomo.

:: Computer Aided Surgery, 巻 3, 番号 5, 1998, p. 239-247.

研究成果: Article

Masutani, Yoshitaka ; Dohi, Takeyoshi ; Yamane, Fumitaka ; Iseki, Hiroshi ; Takakura, Kintomo. / Augmented reality visualization system for intravascular neurosurgery. :: Computer Aided Surgery. 1998 ; 巻 3, 番号 5. pp. 239-247.
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