Abstract
A Selenium thin film transistor (STFT) array-based rotational volume tomographic digital angiography (VTDA) imaging system has been constructed. The system consists of an x-ray tube and a STFT detector that are separately mounted on a gantry. This system uses the STFT array as a two-dimensional (2D) detector so that a set of 2D projections can be acquired for a direct three-dimensional (3D) reconstruction. This paper presents the results of the preliminary phantom studies using the STFT-based volume tomographic angiography imaging system. This research work demonstrates through phantom studies that the STFT array introduces no distortion and the STFT-based VTDA imaging system has a higher spatial resolution and better contrast resolution than an image intensifier(II)-based system.
| Original language | English |
|---|---|
| Pages (from-to) | 316-324 |
| Number of pages | 9 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 3336 |
| DOIs | |
| State | Published - 1998 |
| Externally published | Yes |
| Event | Medical Imaging 1998: Physics of Medical Imaging - San Diego, CA, United States Duration: 22 Feb 1998 → 24 Feb 1998 |
Keywords
- Flat panel detector
- Selenium thin film transistor array
- Volume tomographic digital angiography
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