Computerized assessment of coronary lumen and atherosclerotic plaque dimensions in three-dimensional intravascular ultrasound correlated with histomorphometry☆
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Advanced deep learning methodology for accurate, real-time segmentation of high-resolution intravascular ultrasound images
2021, International Journal of CardiologyCitation Excerpt :The automated analysis of IVUS images has been an unmet challenge in interventional research. Over the last 25 years several automated segmentation methodologies have been developed that incorporated edge-tracking and gradient based techniques, [26–29] snake models, [30–33] probabilistic-based approaches, [34] or multiscale expansion-based methodologies [35] for the detection of the EEM and lumen borders. Although validation of most of the proposed methodologies have shown promising results in small datasets [25] they have failed to dominate in clinical practice.
Chapter 11 A cerebrovascular perspective of atherosclerosis
2008, Handbook of Clinical NeurologyCitation Excerpt :Many other techniques are being appraised for their usefulness in evaluating atherosclerosis, including intravascular ultrasound, MRI and spiral CT. To date, however, no large prospective studies have used these tools to evaluate plaque formation and progression (von Birgelen et al., 1996; Gotsman et al., 1997; Slager et al., 1997; Zimmermann et al., 1997; Estes et al., 1998; Yuan et al., 1998). A variety of risk factors for the development of atherosclerosis have been suggested (Hopkins and Williams, 1981).
Volumetric quantitative analysis of tissue characteristics of coronary plaques after statin therapy using three-dimensional integrated backscatter intravascular ultrasound
2005, Journal of the American College of CardiologyCitation Excerpt :Previously, several 3D reconstruction techniques of conventional IVUS images have been established. Computer-aided 3D reconstruction connecting cross-sectional IVUS images, digitized every 0.2 mm using a motorized pull-back device, allows the reproducible and reliable measurement of plaque volume that reflects the morphologic features of the plaque (23). Volumetric measurements derived from IVUS images are highly reproducible and useful for monitoring the progression and regression of atherosclerotic plaque volume in a longitudinal study (24).
Automated three-dimensional assessment of coronary artery anatomy with intravascular ultrasound scanning
2003, American Heart JournalCitation Excerpt :This is performed in 2-D frames, and the results are propagated down the sequence by using the identified 2-D contours to limit the search region. A similar approach developed by Li et al36,37 uses cost values to find longitudinal contours along the volumetric data and uses these contours to guide the cost function minimization in the transverse 2-D images. Alternatively, Haas et al38 use statistical patterns in the ultrasound scanning speckle and probabilistic a priori information about the contours.
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This project was partly supported by the Dutch Heart Foundation (Grants 94.016 and 94.006).
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Dr. von Birgelen was supported by a fellowship of the German Research Society (Bonn, Germany).