Cited by 4Ultrasound Imaging and ElastographyUltrasound in Clinical ApplicationsMedical Image Segmentation Techniques

Five-dimensional ultrasound system for soft tissue visualization

Deshmukh, Nishikant P., Caban, Jesus J., Taylor, Russell H., Hager, Gregory D., Boctor, Emad M.·2015·International Journal of Computer Assisted Radiology and Surgery

Abstract

Purpose A five-dimensional ultrasound (US) system is proposed as a real-time pipeline involving fusion of 3D B-mode data with the 3D ultrasound elastography (USE) data as well as visualization of these fused data and a real-time update capability over time for each consecutive scan. 3D B-mode data assist in visualizing the anatomy of the target organ, and 3D elastography data adds strain information.Methods We investigate the feasibility of such a system and show that an end-to-end real-time system, from acquisition to visualization, can be developed. We present a system that consists of (a) a real-time 3D elastography algorithm based on a normalized cross-correlation (NCC) computation on a GPU; (b) real-time 3D B-mode acquisition and network transfer; (c) scan conversion of 3D elastography and B-mode volumes (if acquired by 4D wobbler probe); and (d) visualization software that fuses, visualizes, and updates 3D B-mode and 3D elastography data in real time.Results We achieved a speed improvement of 4.45-fold for the threaded version of the NCC-based 3D USE versus the non-threaded version. The maximum speed was 79 volumes/s for 3D scan conversion. In a phantom, we validated the dimensions of a 2.2-cm-diameter sphere scan-converted to B-mode volume. Also, we validated the 5D US system visualization transfer function and detected 1- and 2-cm spherical objects (phantom lesion). Finally, we applied the system to a phantom consisting of three lesions to delineate the lesions from the surrounding background regions of the phantom.Conclusion A 5D US system is achievable with real-time performance. We can distinguish between hard and soft areas in a phantom using the transfer functions.

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Crossref · 10.1007/s11548-015-1277-z

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Authors
Deshmukh, N. P., Caban, J. J., Taylor, R. H., Hager, G. D., & Boctor, E. M.
Affiliations
  • Walter Reed National Military Medical Center (US)
  • Johns Hopkins University (US)
Venue
International Journal of Computer Assisted Radiology and Surgery
Published
2015-08-15
Volume
10
Issue
12
Pages
1927-1939
ISSN
  • 1861-6410 (ISSN-L)
  • 1861-6429
OpenAlex
W1153540639
Cited by
4
References
40
Citations by year
2025: 2 · 2023: 1 · 2015: 1
FWCI
0.27
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Computer Assisted Radiology and Surgery (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • NIH SBIR Grant (CA134169)
  • NIH Grant (CA112852)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Ultrasound Imaging and Elastography
  • Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Ultrasound in Clinical Applications
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Medical Image Segmentation Techniques
Keywords
real-time image fusion, normalized cross-correlation, rasterization, soft tissue visualization, lesion delineation, phantom validation
MeSH terms
Algorithms, Computer Systems, Feasibility Studies, Humans, Software, Phantoms, Imaging, Imaging, Three-Dimensional, Elasticity Imaging Techniques

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