Mr. Maneesh Dewan Profile

Maneesh Dewan

at Siemens Healthineers

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Proceedings Article | 28 February 2009 Paper

Robust algorithms for anatomic plane primitive detection in MR

Maneesh Dewan, Yiqiang Zhan, Zhigang Peng, Xiang Sean Zhou

Proceedings Volume 7260, 72601C (2009) https://doi.org/10.1117/12.813735

KEYWORDS: Detection and tracking algorithms, Medical imaging, Brain, Spine, Magnetic resonance imaging, 3D applications, Neuroimaging, Data analysis, 3D image processing, Imaging systems

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One of primary challenges in the medical image data analysis is the ability to handle abnormal, irregular and/or partial cases. In this paper, we present two different robust algorithms towards the goal of automatic planar primitive detection in 3D volumes. The overall algorithm is a bottoms-up approach starting with the anatomic point primitives (or landmarks) detection. The robustness in computing the planar primitives is built in through both a novel consensus-based voting approach, and a random sampling-based weighted least squares regression method. Both these approaches remove inconsistent landmarks and outliers detected in the landmark detection step. Unlike earlier approaches focused towards a particular plane, the presented approach is generic and can be easily adapted to computing more complex primitives such as ROIs or surfaces. To demonstrate the robustness and accuracy of our approach, we present extensive results for automatic plane detection (Mig-Sagittal and Optical Triangle planes) in brain MR-images. In comparison to ground truth, our approach has marginal errors on about 90 patients. The algorithm also works really well under adverse conditions of arbitrary rotation and cropping of the 3D volume. In order to exhibit generalization of the approach, we also present preliminary results on intervertebrae-plane detection for 3D spine MR application.

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