NDLI: An ultrasound system for tumor detection in soft tissues using low transient pulse

Content Provider	IEEE Xplore Digital Library
Author	Ratnakar, A.R. MengChu Zhou
Copyright Year	2011
Description	Author affiliation: Dept. of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, 07102 USA (Ratnakar, A.R.) \|\| The MoE Key Laboratory of Embedded System and Service Computing, Tongji University, Shanghai 200092, China (MengChu Zhou)
Abstract	This work presents a method to detect the size and location of tumor in soft tissues using ultrasound. Quantitative ultrasound is utilized to allow an ultrasound signal to be sent from a transmitter to multiple receivers. This received signal is analyzed for echogenic and echolucent tumors to differentiate between the two along with non-tumor sample and also studied for the delay to determine the size/location of the tumor. The proposed system utilizes Low Transient Pulse (LTP) technique and is implemented using Field Programmable Gate Array (FPGA) and Digital Signal Processor (DSP) technologies. In this co-design architecture, DSP carries out the analysis of received demodulated signal at a lower speed while FPGA runs at a higher one to generate LTP signal and demodulate bandpass ultrasonic signal. This work elaborates the implementation of Quadrature Amplitude Modulation (QAM) receiver on FPGA for the received signal from an ultrasound detector. LTP is applied to the tumor samples through the transmitter and the received signal at an ultrasonic receiver is passed through QAM to obtain different maxima that are then further used to compute the location and the size of the tumor using DSP. This dual platform co-design demonstrates a good application of a FPGA/DSP platform for the LTP generation and received signal processing.
Starting Page	684
Ending Page	689
File Size	735324
Page Count	6
File Format	PDF
ISBN	9781457717307
ISSN	21618089
e-ISBN	9781457717321
e-ISBN	9781457717314
DOI	10.1109/CASE.2011.6042478
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-24
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital signal processing Field programmable gate arrays Tumors Ultrasonic imaging Clocks Quadrature amplitude modulation Receivers Low transient pulse Biomedical acoustics Digital signal processors
Content Type	Text
Resource Type	Article

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