Patent
1995-12-12
1998-03-03
Herndon, Heather R.
395123, G06T 1700
Patent
active
057244936
ABSTRACT:
The positions where back-projection lines from a plurality of images pass through a predetermined voxel slice of a 3D space are calculated. Letting a predetermined one of the plurality of images be defined as a basic image and the other remaining images as reference images, information about back-projection lines from the basic image is stored in a basic back-projection line information storage part and information about the back-projection lines from the reference images are stored, as information associated with voting, in a voting information storage part. A count is taken of reference back-projection lines which pass through the same passing position of each basic back-projection line, and this count value is used to update the information about the basic back-projection line. After execution of each processing in all voxel slices of the 3D space, the information about the basic back-projection line information is read out of the basic back-projection line information storage part.
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patent: 5515484 (1996-05-01), Sfarti et al.
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patent: 5566282 (1996-10-01), Zuiderveld
Hosoya Eiichi
Nakanishi Mamoru
Ogura Takeshi
Herndon Heather R.
Nippon Telegraph & Telephone Corporation
Vo Cliff N.
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