Analysis of errors in three-dimensional reconstruction of radium implants from stereo radiographs.
The present method of steroe shift for three-dimensional (3-D) reconstruction of radium implants has been found to produce displacement errors. Analysis shows that the maximum displacement error decreases as the shift (S) increases with fixed focal spot-film distance (H), while conversely for a fixed shift distance the maximum displacement error with increased focal spot-film distance. The authors suggest that sufficiently accurate 3-D reconstruction may be achieved when H greater than or equal to 100 cm and H/S less than 2.
D003201:Computers; D011879:Radiotherapy Dosage; D011883:Radium / Q000008:administration & dosage* / Q000627:therapeutic use
D011883:Radium