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Real-time 3-D ultrasound scan conversion using a multicore processor.

Bo Zhuang¹, Vijay Shamdasani, Siddhartha Sikdar

¹Department of Bioengineering, University of Washington, Seattle, WA 98195-5061, USA. bo.zhuang@ultrasonix.com

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Summary

This summary is machine-generated.

Software-based 3-D ultrasound scan conversion (SC) is now practical using the Cell processor. This enables high-volume rates for real-time 3-D imaging, overcoming previous computational limitations.

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Area of Science:

Medical Imaging
Computer Science
Ultrasound Technology

Background:

Real-time 3-D ultrasound scan conversion (SC) has been computationally intensive, limiting its practical software implementation.
High computation and I/O data handling requirements posed significant challenges for existing 3-D SC methods.

Purpose of the Study:

To develop and evaluate a software-based 3-D scan conversion method capable of high volume rates.
To leverage multicore processor architectures, specifically the Cell processor, for efficient 3-D SC.

Main Methods:

Implementation of two software-based 3-D SC algorithms: separable 3-D SC and direct 3-D SC.
Utilizing a multicore Cell processor to handle the computational and data processing demands of 3-D scan conversion.

Main Results:

The separable 3-D SC algorithm achieved a scan conversion rate of 87.8 volumes/s for a 192x192x192 volume.
The direct 3-D SC algorithm processed data at 28 volumes/s for the same volume size.
Demonstrated practical real-time performance for software-based 3-D ultrasound SC.

Conclusions:

Software-based 3-D ultrasound scan conversion is feasible with high volume rates using the Cell multicore processor.
The separable 3-D SC approach offers superior performance compared to the direct 3-D SC method for this application.