Segmentation of intravascular ultrasound images: a knowledge-based approach
| Autor: | Steve M. Collins, M.S. Bissing, Xiangmin Zhang, S.C. DeJong, Maria Siebes, Charles R. McKay, Milan Sonka |
|---|---|
| Přispěvatelé: | Other departments |
| Rok vydání: | 1995 |
| Předmět: |
medicine.medical_specialty
Radiological and Ultrasound Technology medicine.diagnostic_test business.industry Lumen (anatomy) Image segmentation medicine.disease Computer Science Applications Coronary arteries Stenosis medicine.anatomical_structure Intravascular ultrasound medicine Segmentation Radiology Angiocardiography Electrical and Electronic Engineering business Software Coronary atherosclerosis |
| Zdroj: | IEEE transactions on medical imaging, 14(4), 719-732. Institute of Electrical and Electronics Engineers Inc. |
| ISSN: | 0278-0062 |
| DOI: | 10.1109/42.476113 |
| Popis: | Intravascular ultrasound imaging of coronary arteries provides important information about coronary lumen, wall, and plaque characteristics. Quantitative studies of coronary atherosclerosis using intravascular ultrasound and manual identification of wall and plaque borders are limited by the need for observers with substantial experience and the tedious nature of manual border detection. We have developed a method for segmentation of intravascular ultrasound images that identifies the internal and external elastic laminae and the plaque-lumen interface. The border detection algorithm was evaluated in a set of 38 intravascular ultrasound images acquired from fresh cadaveric hearts using a 30 MHz imaging catheter. To assess the performance of our border detection method we compared five quantitative measures of arterial anatomy derived from computer-detected borders with measures derived from borders manually defined by expert observers. Computer-detected and observer-defined lumen areas correlated very well (r=0.96, y=1.02x+0.52), as did plaque areas (r=0.95, y=1.07x-0.48), and percent area stenosis (r=0.93, y=0.99x-1.34.) Computer-derived segmental plaque thickness measurements were highly accurate. Our knowledge-based intravascular ultrasound segmentation method shows substantial promise for the quantitative analysis of in vivo intravascular ultrasound image data. |
| Databáze: | OpenAIRE |
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