NDLI: Ultrasonic computed tomography used in non-invasive temperature measuring

Content Provider	IEEE Xplore Digital Library
Author	Yi Hong Yang Hong-Zhang Wang
Copyright Year	1992
Description	Author affiliation: Dept. of Precision Instrum., Shanghai Jiao Tong Univ., China (Yi Hong Yang; Hong-Zhang Wang)
Abstract	Ultrasonic computed tomography (UCT) is used for noninvasive temperature measurement in hyperthermia in human body. A model for temperature measurement has been established, and an UCT algorithm for the model has been developed. The authors also analyze the resolution and the time requirements of the measurement, and a method of sparse reconstruction to measure the distribution of sound speed and the temperature is proposed. The method of ultrasonic diffraction reconstruction and the fast convolution-backpropagation algorithm are used for image reconstruction. A new approach to diffraction reconstruction from limited data is proposed. The error of the temperature measurement is less than 0.25 degrees C and the reconstruction time less than 12 s for one image using a microcomputer.<>
Starting Page	477
Ending Page	478
File Size	376095
Page Count	2
File Format	PDF
ISBN	0780307852
DOI	10.1109/IEMBS.1988.94617
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-11-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computed tomography Temperature measurement Ultrasonic variables measurement Image reconstruction Biological system modeling Velocity measurement Time measurement Diffraction Hyperthermia Humans
Content Type	Text
Resource Type	Article

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