Registration of digital retinal images using landmark correspondence by expectation maximization

Retrospective registration of X-ray angi

Retrospective registration of X-ray angiograms with MR images by using vessels as intrinsic landmarks

✍ Noam Alperin; David N. Levin; Charles A. Pelizzari 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 855 KB

## Abstract Conventional x‐ray angiography (XRA) images are projections of the vasculature with high spatial and temporal resolution, while magnetic resonance (MR) angiography (MRA) and MR imaging data show the three‐dimensional locations of vessels relative to brain parenchyma. The authors have de