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1. WO1996038816 - ANATOMICAL VISUALIZATION SYSTEM

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

What Is Claimed Is:

1. A visualization system comprising:
a first database comprising a plurality of 2-D slice images generated by scanning a structure, said 2-D slice images being stored in a first data format;
a second database comprising a 3-D computer model of said scanned structure, said 3-D computer model comprising a first software object, said first software object being defined by a 3-D geometry database;
means for inserting a second software object into said 3-D computer model so as to augment said 3-D computer model, said second software object being defined by a 3-D geometry database and including a planar surface;
means for determining the specific 2-D slice image associated with the position of said planar surface of said second software object within said augmented 3-D computer model;
means for texture mapping said specific 2-D slice image onto said planar surface of said second software object; and means for displaying an image of said augmented 3-D computer model so as to simultaneously provide a view of said first software object and said specific 2-D slice image texture mapped onto said planar surface of said second software object.

2. A visualization system according to claim 1 wherein said 3-D geometry database comprises a surface model.

3. A visualization system according to claim 1 wherein said system further comprises means for inserting a markker into said first database, whereby said marker will be automatically incorporated into said second database, and further wherein said marker will be automatically displayed where appropriate in any image displayed by said system.

4. A visualization system according to claim 3 wherein said system further comprises a margin of pre-determined size associated with said marker.

5. A visualization system according to claim 1 wherein said system further comprises means for automatically determining th e periphery of any objects contained in said second database and for identifying the corresponding data points in said first database, whereby the periphery of such objects can be highlighted as appropriate in any image displayed by said system.

6. A visualization system according to claim 1 wherein said scanned structure comprises an anatomical structure.

7. A visualization system comprising:
a first database comprising a plurality of 2-D slice images generated by scanning a structure, said 2-D slice images being stored in a first data format;
a second database comprising a 3-D computer model of said scanned structure, said 3-D computer model comprising a first software object, said first software object being defined by a 3-D geometry database;
means for inserting a second software object. into said 3-D computer model so as to augment said 3-D computer model, said second software object being defined by a 3-D geometry database and including a planar surface, and said second software object being inserted into said 3-D computer model at the position corresponding to the position of said selected 2-D slice image relative to said scanned structure; means for selecting a particular 2-D slice image from said first database;
means for texture mapping said specific 2-D slice image onto said planar surface of said second software object; and means for displaying an image of said augmented 3-D computer model so as to simultaneously provide a view of said first software object and said specific 2-D slice image texture mapped onto said planar surface of said second software object.

8. A visualization system according to claim 7 wherein said 3-D geometry database comprises a surface model.

9. A visualization system according to claim 7 wherein said system further comprises means for inserting a marker into said first database, whereby said marker will be automatically incorporated into said second database; and further wherein said marker will be automatically displayed where appropriate in any image displayed by said system.

10. A visualization system according to claim 9 wherein said system further comprises a margin of predetermined size associated with said marker.

11. A visualization system according to claim 7 wherein said system further comprises means for
automatically determining the periphery of any objects contained in said second database and for identifying the corresponding data points in said first database, whereby the periphery of such objects can be highlighted as
appropriate in any image displayed by said system.

12. A visualization system according to claim 7 wherein said scanned -structure comprises an anatomical structure.

13. A visualization system according to claim 2 wherein said surface model is a polygonal surface model.

14. A visualization system according to claim 8 wherein said surface model is a polygonal surface model.

15. A method for visualizing a structure comprising the following steps:
(A) providing a first database that comprises a plurality of 2-D slice images generated by scanning a structure, wherein said 2-D slice images are stored in a first data format;
(B) providing a second database comprising a 3-D computer model of said scanned structure, wherein said 3-D computer model comprises a first software object defined by a 3-D geometry database;
(C) inserting a second software object into said 3-D computer model so as to augment said 3-D computer model, wherein said second software object is defined by a 3-D geometry database and includes a planar surface;
(D) determining the specific 2-D slice image associated with the position of said planar surface of said second software object within said augmented 3-D computer model;
(E) texture mapping said specific 2-D slice image onto said planar surface of said second software object; and (F) displaying an image of said augmented 3-D computer model so as to simultaneously provide a view of said first software object and said specific 2-D slice image texture mapped onto said planar surface of said second software object.

16. A method for visualizing a structure comprising the following steps:
(A) providing a first database that comprises a plurality of 2-D slice images generated by scanning a structure, wherein said 2-D slice images are stored in a first data format;
(B) providing a second database comprising a 3-D computer model of said scanned structure, wherein said 3-D computer model comprises a first software object defined by a 3-D geometry database;
(C) inserting said second software object into said 3-D computer model at the position corresponding to the position of said selected 2-D slice image relative to said scanned structure;
(D) determining the specific 2-D slice image associated with the position of said planar surface of said second software object within said augmented 3-D computer model;
(E) texture mapping said specific 2-D slice image onto said planar surface of said second software object; and
(F) displaying an image of said augmented 3-D computer model so as to simultaneously provide a view of said first software object and said specific 2-D slice image texture mapped onto said planar surface of said second software object.