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. 2005 Jul;6(7):611-6.
doi: 10.1631/jzus.2005.B0611.

Dynamic concision for three-dimensional reconstruction of human organ built with virtual reality modelling language (VRML)

Zheng-yang Yu  1 , Shu-sen Zheng, Lei-ting Chen, Xiao-qian He, Jian-jun Wang
Affiliations

Dynamic concision for three-dimensional reconstruction of human organ built with virtual reality modelling language (VRML)

Zheng-yang Yu et al. J Zhejiang Univ Sci B. 2005 Jul.

Abstract

This research studies the process of 3D reconstruction and dynamic concision based on 2D medical digital images using virtual reality modelling language (VRML) and JavaScript language, with a focus on how to realize the dynamic concision of 3D medical model with script node and sensor node in VRML. The 3D reconstruction and concision of body internal organs can be built with such high quality that they are better than those obtained from the traditional methods. With the function of dynamic concision, the VRML browser can offer better windows for man-computer interaction in real-time environment than ever before. 3D reconstruction and dynamic concision with VRML can be used to meet the requirement for the medical observation of 3D reconstruction and have a promising prospect in the fields of medical imaging.

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Figures

Fig. 1
Fig. 1
Concision face intersects with four sides of plane geometry sculpt (a) Concision face only intersects with two sides of the plane geometry sculpt (two possibilities); (b) Concision face intersects with four sides of plane geometry sculpt (six possibilities)
Fig. 1
Fig. 1
Concision face intersects with four sides of plane geometry sculpt (a) Concision face only intersects with two sides of the plane geometry sculpt (two possibilities); (b) Concision face intersects with four sides of plane geometry sculpt (six possibilities)
Fig. 2
Fig. 2
Flow chart of dynamic concision by VRML and JavaScript
Fig. 3
Fig. 3
Three-dimensional reconstruction and dynamic concision of lung in double bronchopneumonia built by VRML and JavaScript (a) Three-dimensional reconstruction of lung in double bronchopneumonia (postior and lateral aspect); (b) Three-dimensional reconstruction of lung in double bronchopneumonia (anterior and inferior aspect); (c) The whole of and the two parts of lung in double bronchopneumonia after dynamic concision (postior aspect); (d) Left part of lung in bronchopneumonia after dynamic concision (lateral aspect); (e) Right part of lung in bronchopneumonia after dynamic concision (lateral aspect); (f) Original slices, outer surface and inner structure of right lung in bronchopneumonia after dynamic concision can be well observed at the same time (lateral aspect)
Fig. 3
Fig. 3
Three-dimensional reconstruction and dynamic concision of lung in double bronchopneumonia built by VRML and JavaScript (a) Three-dimensional reconstruction of lung in double bronchopneumonia (postior and lateral aspect); (b) Three-dimensional reconstruction of lung in double bronchopneumonia (anterior and inferior aspect); (c) The whole of and the two parts of lung in double bronchopneumonia after dynamic concision (postior aspect); (d) Left part of lung in bronchopneumonia after dynamic concision (lateral aspect); (e) Right part of lung in bronchopneumonia after dynamic concision (lateral aspect); (f) Original slices, outer surface and inner structure of right lung in bronchopneumonia after dynamic concision can be well observed at the same time (lateral aspect)
Fig. 3
Fig. 3
Three-dimensional reconstruction and dynamic concision of lung in double bronchopneumonia built by VRML and JavaScript (a) Three-dimensional reconstruction of lung in double bronchopneumonia (postior and lateral aspect); (b) Three-dimensional reconstruction of lung in double bronchopneumonia (anterior and inferior aspect); (c) The whole of and the two parts of lung in double bronchopneumonia after dynamic concision (postior aspect); (d) Left part of lung in bronchopneumonia after dynamic concision (lateral aspect); (e) Right part of lung in bronchopneumonia after dynamic concision (lateral aspect); (f) Original slices, outer surface and inner structure of right lung in bronchopneumonia after dynamic concision can be well observed at the same time (lateral aspect)
Fig. 3
Fig. 3
Three-dimensional reconstruction and dynamic concision of lung in double bronchopneumonia built by VRML and JavaScript (a) Three-dimensional reconstruction of lung in double bronchopneumonia (postior and lateral aspect); (b) Three-dimensional reconstruction of lung in double bronchopneumonia (anterior and inferior aspect); (c) The whole of and the two parts of lung in double bronchopneumonia after dynamic concision (postior aspect); (d) Left part of lung in bronchopneumonia after dynamic concision (lateral aspect); (e) Right part of lung in bronchopneumonia after dynamic concision (lateral aspect); (f) Original slices, outer surface and inner structure of right lung in bronchopneumonia after dynamic concision can be well observed at the same time (lateral aspect)
Fig. 3
Fig. 3
Three-dimensional reconstruction and dynamic concision of lung in double bronchopneumonia built by VRML and JavaScript (a) Three-dimensional reconstruction of lung in double bronchopneumonia (postior and lateral aspect); (b) Three-dimensional reconstruction of lung in double bronchopneumonia (anterior and inferior aspect); (c) The whole of and the two parts of lung in double bronchopneumonia after dynamic concision (postior aspect); (d) Left part of lung in bronchopneumonia after dynamic concision (lateral aspect); (e) Right part of lung in bronchopneumonia after dynamic concision (lateral aspect); (f) Original slices, outer surface and inner structure of right lung in bronchopneumonia after dynamic concision can be well observed at the same time (lateral aspect)
Fig. 3
Fig. 3
Three-dimensional reconstruction and dynamic concision of lung in double bronchopneumonia built by VRML and JavaScript (a) Three-dimensional reconstruction of lung in double bronchopneumonia (postior and lateral aspect); (b) Three-dimensional reconstruction of lung in double bronchopneumonia (anterior and inferior aspect); (c) The whole of and the two parts of lung in double bronchopneumonia after dynamic concision (postior aspect); (d) Left part of lung in bronchopneumonia after dynamic concision (lateral aspect); (e) Right part of lung in bronchopneumonia after dynamic concision (lateral aspect); (f) Original slices, outer surface and inner structure of right lung in bronchopneumonia after dynamic concision can be well observed at the same time (lateral aspect)
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