Automatic detection of anatomical landmarks on the knee joint using MRI data

Xue N, Döllinger M, Ho CP, Surowiec RK, Schwarz R (2015)

Publication Type: Journal article

Publication year: 2015

Journal

Journal of Magnetic Resonance Imaging Wiley-Blackwell

Book Volume: 41

Pages Range: 183-92

Journal Issue: 1

DOI: 10.1002/jmri.24516

Abstract

To propose a new automated learning-based scheme for locating anatomical landmarks on the knee joint using three-dimensional (3D) MR image data.This method makes use of interest points as candidates for landmarks. All candidates are evaluated by a "coarse to fine" 3D feature descriptor computed from manually placed landmarks in training datasets. The results are refined using a multi-classifier boosting system. We demonstrate our method by the detection of 24 landmarks on the knee joint of 35 subjects. To verify the robustness, the test datasets differ in contrast, resolution, patient positioning, and health condition of the knee joint. The proposed method is evaluated by measuring the distance between manually placed landmarks and automatically detected landmarks and the computational cost for detecting one landmark in a 3D dataset.The results reveal that the method is capable of localizing landmarks with a reasonable accuracy (1.64 ± 1.03 mm [mean ± standard deviation]), sensitivity (97%) and run time efficiency (4.82 s).This study suggests that the proposed method is an accurate and robust approach for the automated landmark detection in various MR datasets. The proposed method can be used as the initialization or constraint in higher level medical image processing workflows such as in kinematic description, segmentation and registration.

Authors with CRIS profile

Ning Xue Professur für Computational Medicine (DFG-Forschungsprofessur) Michael Döllinger Professur für Computational Medicine (DFG-Forschungsprofessur)

Involved external institutions

Steadman Philippon Research Institute US United States (USA) (US)

How to cite

APA:

Xue, N., Döllinger, M., Ho, C.P., Surowiec, R.K., & Schwarz, R. (2015). Automatic detection of anatomical landmarks on the knee joint using MRI data. Journal of Magnetic Resonance Imaging, 41(1), 183-92. https://doi.org/10.1002/jmri.24516

MLA:

Xue, Ning, et al. "Automatic detection of anatomical landmarks on the knee joint using MRI data." Journal of Magnetic Resonance Imaging 41.1 (2015): 183-92.

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