Projection-based motion compensation and reconstruction of coronary segments and cardiac implantable devices using rotational X-ray angiography
| Autor: | Gert Schoonenberg, Daniel Ruijters, Onno Wink, John D. Carroll, Raoul Florent, Bart M. ter Haar Romeny, Pierre Lelong |
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| Přispěvatelé: | Medical Image Analysis, Computational Biology |
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
media_common.quotation_subject
Health Informatics 030204 cardiovascular system & hematology Coronary Angiography Sensitivity and Specificity Pattern Recognition Automated 030218 nuclear medicine & medical imaging 03 medical and health sciences Imaging Three-Dimensional 0302 clinical medicine Region of interest medicine Humans Contrast (vision) Radiology Nuclear Medicine and imaging Computer vision Projection (set theory) media_common Motion compensation Radiological and Ultrasound Technology medicine.diagnostic_test business.industry Reproducibility of Results Prostheses and Implants Computer Graphics and Computer-Aided Design Radiographic Image Enhancement Coronary arteries medicine.anatomical_structure Rotational angiography Angiography Radiographic Image Interpretation Computer-Assisted Computer Vision and Pattern Recognition Artificial intelligence Artifacts business Algorithms |
| Zdroj: | Medical Image Analysis, 13(5), 785-792. Elsevier |
| ISSN: | 1361-8415 |
| Popis: | Cardiologists use two-dimensional projection images in conventional X-ray coronary angiography for the assessment of three-dimensional structures. During minimally invasive interventions there is a need to clearly visualize and analyze contrast filled coronary arteries, surrounding tissue, and implanted devices. Three-dimensional reconstruction of these structures is challenging due to the cardiac and respiratory motion. In this paper we describe a method to automatically generate motion compensated reconstructions of various structures using rotational X-ray angiography. The method uses markers on a device or guide wire to identify and estimate the motion of an object or region of interest in order to register and motion compensate the projection images to generate a motion compensated reconstruction. The method is evaluated on 20 rotational acquisitions and the average marker couple detection rate is 84% for cardiac stents, 90% for closure devices and 20% for contrast filled coronaries. The projection images are motion compensated based on the semi-automatically detected markers and subsequently used for reconstruction. We conclude that it is feasible to reconstruct cardiac stents, closure devices, contrast filled coronaries, and calcified plaques using rotational X-ray angiography. |
| Databáze: | OpenAIRE |
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