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Obtaining Quality Extended Field-of-View Ultrasound Images of Skeletal Muscle to Measure Muscle Fascicle Length

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Five-dimensional ultrasound system for soft tissue visualization.

Nishikant P Deshmukh¹, Jesus J Caban², Russell H Taylor³

¹Department of Computer Science, The Johns Hopkins University, Baltimore, MD, USA. nishikant@cs.jhu.edu.

International Journal of Computer Assisted Radiology and Surgery

|August 16, 2015

Summary

This summary is machine-generated.

A novel five-dimensional ultrasound (5D US) system integrates 3D B-mode and 3D ultrasound elastography (USE) data in real-time. This system enables accurate visualization and differentiation of tissue properties, advancing diagnostic capabilities.

Keywords:

3D elastography 3D scan conversion Computer graphics Elastography Five-dimensional ultrasound system GPU Medical imaging OpenGL Ultrasound Visualization

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Area of Science:

Medical Imaging
Ultrasound Technology
Image Processing

Background:

Current ultrasound systems often provide limited dimensional data.
Integrating anatomical (B-mode) and strain (elastography) information can enhance diagnostic accuracy.
Real-time processing and visualization are crucial for efficient clinical application.

Purpose of the Study:

To develop and validate a real-time five-dimensional ultrasound (5D US) system.
To fuse 3D B-mode and 3D ultrasound elastography (USE) data for enhanced visualization.
To enable real-time updates and analysis of acquired ultrasound data.

Main Methods:

Developed a real-time 3D USE algorithm utilizing GPU-accelerated normalized cross-correlation (NCC).
Implemented real-time 3D B-mode acquisition and network transfer protocols.
Created visualization software for fusing and updating 3D B-mode and 3D USE data in real time.

Main Results:

Achieved a 4.45-fold speed improvement for the threaded NCC-based 3D USE algorithm.
Demonstrated real-time 3D scan conversion at a maximum speed of 79 volumes/s.
Successfully validated lesion detection and delineation in phantoms using the 5D US system.

Conclusions:

A five-dimensional ultrasound (5D US) system is feasible with real-time performance.
The system effectively fuses anatomical and strain data for improved visualization.
Distinguished between hard and soft tissue areas in phantoms, demonstrating diagnostic potential.