Medical instrument detection in 3-dimensional ultrasound data volumes

A. Pourtaherian, H.J. Scholten, C.J. Kusters, S. Zinger, N. Mihajlovic, A.F. Kolen, F. Zou, G.C. Ng, H. Korsten, P.H.N. de With

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Ultrasound-guided medical interventions are broadly applied in diagnostics and therapy, e.g., regional anesthesia or ablation. A guided intervention using 2-D ultrasound is challenging due to the poor instrument visibility, limited field of view, and the multi-fold coordination of the medical instrument and ultrasound plane. Recent 3-D ultrasound transducers can improve the quality of the image-guided intervention if an automated detection of the needle is used. In this paper, we present a novel method for detecting medical instruments in 3-D ultrasound data that is solely based on image processing techniques and validated on various ex vivo and in vivo data sets. In the proposed procedure, the physician is placing the 3-D transducer at the desired position, and the image processing will automatically detect the best instrument view, so that the physician can entirely focus on the intervention. Our method is based on the classification of instrument voxels using volumetric structure directions and robust approximation of the primary tool axis. A novel normalization method is proposed for the shape and intensity consistency of instruments to improve the detection. Moreover, a novel 3-D Gabor wavelet transformation is introduced and optimally designed for revealing the instrument voxels in the volume, while remaining generic to several medical instruments and transducer types. Experiments on diverse data sets, including in vivo data from patients, show that for a given transducer and an instrument type, high detection accuracies are achieved with position errors smaller than the instrument diameter in the 0.5-1.5-mm range on average.

Original languageEnglish
Article number7894219
Pages (from-to)1664-1675
Number of pages12
JournalIEEE Transactions on Medical Imaging
Issue number8
Publication statusPublished - 1 Aug 2017


  • 3D ultrasound
  • Gabor transformation
  • Medical instrument detection
  • interventional guidance
  • line filtering
  • Transducers
  • Ultrasonography
  • Needles
  • Imaging, Three-Dimensional


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