Image intensifier-based volume tomographic angiography imaging system: work in progress

Ruola Ning; Steven J. Rooker

doi:10.1117/12.154585

14 September 1993 Image-intensifier-based volume tomographic angiography imaging system: work in progress

Ruola Ning, Steven J. Rooker

Proceedings Volume 1896, Medical Imaging 1993: Physics of Medical Imaging; (1993) https://doi.org/10.1117/12.154585
Event: Medical Imaging 1993, 1993, Newport Beach, CA, United States

Abstract

The construction of the imaging system includes: (1) replacing the linear detector of the CT scanner with an image intensifier coupled to a TV camera, (2) modifying the gantry to mount the image intensifier, (3) replacing the system computer by a PC, (4) designing and constructing the interfacing and data acquisition system and (5) developing software for system control and data acquisition. The system consists of a x-ray tube and an image intensifier that are separately mounted on a gantry. The tube-detector set can be rotated over 360 degree(s) in the gantry. Two sets of images acquired with this imaging system indicate that two types of distortion occur in image intensifiers, S distortion and pincushion distortion. In the future, these two types of distortions need to be corrected prior to three-dimensional (3-D) reconstruction.

Citation Download Citation

Ruola Ning and Steven J. Rooker "Image-intensifier-based volume tomographic angiography imaging system: work in progress", Proc. SPIE 1896, Medical Imaging 1993: Physics of Medical Imaging, (14 September 1993); https://doi.org/10.1117/12.154585

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