Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24249
Title: Low-cost, high-speed back-end processing system for high-frequency ultrasound B-mode imaging
Authors: Chang, JH
Sun, L 
Yen, JT
Shung, KK
Issue Date: 2009
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 2009, v. 56, no. 7, 5116875, p. 1490-1497 How to cite?
Journal: IEEE transactions on ultrasonics, ferroelectrics, and frequency control 
Abstract: For real-time visualization of the mouse heart (6 to 13 beats per second), a back-end processing system involving high-speed signal processing functions to form and display images has been developed. This back-end system was designed with new signal processing algorithms to achieve a frame rate of more than 400 images per second. These algorithms were implemented in a simple and cost-effective manner with a single field-programmable gate array (FPGA) and software programs written in C++. The operating speed of the back-end system was investigated by recording the time required for transferring an image to a personal computer. Experimental results showed that the back-end system is capable of producing 433 images per second. To evaluate the imaging performance of the back-end system, a complete imaging system was built. This imaging system, which consisted of a recently reported highspeed mechanical sector scanner assembled with the back-end system, was tested by imaging a wire phantom, a pig eye (in vitro), and a mouse heart (in invivo). It was shown that this system is capable of providing high spatial resolution images with fast temporal resolution.
URI: http://hdl.handle.net/10397/24249
ISSN: 0885-3010
EISSN: 1525-8955
DOI: 10.1109/TUFFC.2009.1205
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