Journal
JOURNAL OF DIGITAL IMAGING
Volume 24, Issue 4, Pages 598-608Publisher
SPRINGER
DOI: 10.1007/s10278-010-9315-4
Keywords
Image segmentation; cardiac imaging; image analysis; left ventricle
Funding
- Biomedical Research Council, Agency for Science, Technology and Research, Singapore
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Segmentation of the left ventricle is important in the assessment of cardiac functional parameters. Manual segmentation of cardiac cine MR images for acquiring these parameters is time-consuming. Accuracy and automation are the two important criteria in improving cardiac image segmentation methods. In this paper, we present a comprehensive approach to segment the left ventricle from short axis cine cardiac MR images automatically. Our method incorporates a number of image processing and analysis techniques including thresholding, edge detection, mathematical morphology, and image filtering to build an efficient process flow. This process flow makes use of various features in cardiac MR images to achieve high accurate segmentation results. Our method was tested on 45 clinical short axis cine cardiac images and the results are compared with manual delineated ground truth (average perpendicular distance of contours near 2 mm and mean myocardium mass overlapping over 90%). This approach provides cardiac radiologists a practical method for an accurate segmentation of the left ventricle.
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