Abstract
A computerized fluoroscopy system which was recently developed in our laboratories permits image contrast increases of 8-16 relative to conventional image intensifer fluoroscopy and permits study of canine and human ventricular wall motion using peripheral intravenous injections. Two time-dependent image subtraction algorithms are illustrated in connection with observation of artificially infarcted dog hearts. The first algorithm produces a display analogous to direct ventriculography using catheterization. The second displays regions of dyskinetic motion as anomalous image grey shades.
Original language | English (US) |
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Pages (from-to) | 279-287 |
Number of pages | 9 |
Journal | Investigative radiology |
Volume | 14 |
Issue number | 4 |
DOIs | |
State | Published - 1979 |
Keywords
- Computerized fluoroscopy
- Image processing
- Intravenous ventriculography
- Myocardial infarction
- Noninvasive cardiology
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging