Tracked ultrasound elastography (TrUE).

Pezhman Foroughi, Hassan Rivaz, Ioana N. Fleming, Gregory Hager, Emad Boctor

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This paper presents a robust framework for freehand ultrasound elastography to cope with uncertainties of freehand palpation using the information from an external tracker. In order to improve the quality of the elasticity images, the proposed method selects a few image pairs such that in each pair the lateral and out-of-plane motions are minimized. It controls the strain rate by choosing the axial motion to be close to a given optimum value. The tracking data also enables fusing multiple strain images that are taken roughly from the same location. This method can be adopted for various trackers and strain estimation algorithms. In this work, we show the results for two tracking systems of electromagnetic (EM) and optical tracker. Using phantom and ex-vivo animal experiments, we show that the proposed techniques significantly improve the elasticity images and reduce the dependency to the hand motion of user.

Original languageEnglish (US)
Title of host publicationMedical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
Pages9-16
Number of pages8
Volume13
EditionPt 2
StatePublished - 2010

Fingerprint

Elasticity Imaging Techniques
Elasticity
Optical Devices
Palpation
Electromagnetic Phenomena
Uncertainty
Hand

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Foroughi, P., Rivaz, H., Fleming, I. N., Hager, G., & Boctor, E. (2010). Tracked ultrasound elastography (TrUE). In Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention (Pt 2 ed., Vol. 13, pp. 9-16)

Tracked ultrasound elastography (TrUE). / Foroughi, Pezhman; Rivaz, Hassan; Fleming, Ioana N.; Hager, Gregory; Boctor, Emad.

Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Vol. 13 Pt 2. ed. 2010. p. 9-16.

Research output: Chapter in Book/Report/Conference proceedingChapter

Foroughi, P, Rivaz, H, Fleming, IN, Hager, G & Boctor, E 2010, Tracked ultrasound elastography (TrUE). in Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Pt 2 edn, vol. 13, pp. 9-16.
Foroughi P, Rivaz H, Fleming IN, Hager G, Boctor E. Tracked ultrasound elastography (TrUE). In Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Pt 2 ed. Vol. 13. 2010. p. 9-16
Foroughi, Pezhman ; Rivaz, Hassan ; Fleming, Ioana N. ; Hager, Gregory ; Boctor, Emad. / Tracked ultrasound elastography (TrUE). Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Vol. 13 Pt 2. ed. 2010. pp. 9-16
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