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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Moro, C.M.C. Moura, L. Robilotta, C.C. |
| Copyright Year | 1994 |
| Description | Author affiliation: Dept. of Biomed. Eng., Univ. Estadual de Campinas, Sao Paulo, Brazil (Moro, C.M.C.) |
| Abstract | Bull's Eye, or polar map, is a semi-automatic method for the quantification and evaluation of coronary artery disease from SPECT tomograms obtained by marking the myocardium with /sup 201/Tl or MIBI /sup 99/Tc. The polar map is computed from cross-sectional slices of the left ventricle (LV). For each slice, the center and a radius of search that contains the LV are determined and the LV is divided into radial sectors. The maximum count value of each sector is computed generating a profile. Profiles are plotted as concentric circle onto the map. The resulting map is a compression of 3D information (LV perfusion) onto a single 2D image. The major problem with this technique is that it is strongly dependent on the operator. The method requires a great deal of operator interaction. The authors present a new method that reduces operator dependence by automatically determining the parameters required for generating the Bull's Eye.< |
| Starting Page | 485 |
| Ending Page | 487 |
| File Size | 299248 |
| Page Count | 3 |
| File Format | |
| ISBN | 081866570X |
| DOI | 10.1109/CIC.1994.470103 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1994-09-25 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Heart Myocardium Coronary arteriosclerosis Image coding Biomedical imaging Signal analysis Graphics Sun Workstations Operating systems |
| Content Type | Text |
| Resource Type | Article |
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