Method of selecting a preferred difference image
US4335427A · kind A · utility
73Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1980 |
| Grant date | Jun 15, 1982 |
| Priority date | — |
| Expiry date | Apr 21, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/3205
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a radiographic digital subtraction system utilizing a contrast agent for enhancing a difficult-to-image anatomic region of interest, a method of selecting a superior difference image. The difference image selected represents the differential between a pair of digitized radiographic images selected from a series of such images acquired before and after the contrast appears in the region of interest during a dynamic imaging study.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.