Automatic Multi-organ Segmentation Using Learning-Based Segmentation and Level Set Optimization

Models, Anatomic Principal Component Analysis Models, Statistical Databases, Factual Reproducibility of Results 02 engineering and technology Kidney Pattern Recognition, Automated 03 medical and health sciences 0302 clinical medicine Imaging, Three-Dimensional Liver Artificial Intelligence 0202 electrical engineering, electronic engineering, information engineering Humans Learning Tomography, X-Ray Computed Lung Algorithms Software
DOI: 10.1007/978-3-642-23626-6_42 Publication Date: 2011-09-20T06:18:46Z
ABSTRACT
We present a novel generic segmentation system for the fully automatic multi-organ segmentation from CT medical images. Thereby we combine the advantages of learning-based approaches on point cloud-based shape representation, such a speed, robustness, point correspondences, with those of PDE-optimization-based level set approaches, such as high accuracy and the straightforward prevention of segment overlaps. In a benchmark on 10-100 annotated datasets for the liver, the lungs, and the kidneys we show that the proposed system yields segmentation accuracies of 1.17-2.89 mm average surface errors. Thereby the level set segmentation (which is initialized by the learning-based segmentations) contributes with an 20%-40% increase in accuracy.
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